VLSI TECHNOLOGY INC
S-3, 1995-08-28
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>
    AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON AUGUST 28, 1995
                                                       REGISTRATION NO. 33-
--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                           --------------------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
                             VLSI TECHNOLOGY, INC.
             (Exact name of registrant as specified in its charter)

           DELAWARE                   1109 MCKAY DRIVE           94-2597282
(State or other jurisdiction of      SAN JOSE, CALIFORNIA     (I.R.S. Employer
incorporation or organization)             95131             Identification No.)
                                      Telephone: (408)
                                          434-3100

  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)

                                ALFRED J. STEIN
                        CHAIRMAN OF THE BOARD, PRESIDENT
                          AND CHIEF EXECUTIVE OFFICER
                             VLSI TECHNOLOGY, INC.
                                1109 MCKAY DRIVE
                               SAN JOSE, CA 95131
                           TELEPHONE: (408) 434-3100

 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
                           --------------------------

                                   COPIES TO:

      LARRY W. SONSINI, Esq.              CHRISTOPHER L. KAUFMAN, Esq.
        JOHN A. FORE, Esq.                   TRACY K. EDMONSON, Esq.
Wilson, Sonsini, Goodrich & Rosati              Latham & Watkins
     Professional Corporation           505 Montgomery Street, Suite 1900
        650 Page Mill Road               San Francisco, California 94111
 Palo Alto, California 94304-1050                (415) 391-0600
          (415) 493-9300

                           --------------------------
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
As soon as practicable after the effective date of this Registration Statement.
                           --------------------------

    If  the  only securities  being registered  on this  Form are  being offered
pursuant to dividend or interest reinvestment plans, please check the  following
box. / /

    If  any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to  Rule 415 under the Securities Act  of
1933, other than securities offered only in connection with dividend or interest
reinvestment plans, check the following box. / /

    If  this Form  is filed  to register  additional securities  for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list  the  Securities  Act  registration statement  number  of  the  earlier
effective registration statement for the same offering. / /

    If  this Form  is a post-effective  amendment filed pursuant  to Rule 462(c)
under the Securities Act,  check the following box  and list the Securities  Act
registration  statement number  of the earlier  effective registration statement
for the same offering. / /

    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. / /

                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
                                                                           PROPOSED
                                                                           MAXIMUM
                                                          AMOUNT          AGGREGATE         AMOUNT OF
         TITLE OF EACH CLASS OF SECURITIES                TO BE            OFFERING        REGISTRATION
                 TO BE REGISTERED                     REGISTERED (1)      PRICE (2)            FEE
<S>                                                  <C>               <C>               <C>
   % Convertible Subordinated Notes due 2005.......    $172,500,000      $172,500,000        $59,483
Common Stock, $0.01 par value......................        (3)                --                --
<FN>
(1)  Includes $22,500,000 in  principal amount  of Notes  that the  Underwriters
     have the option to purchase solely to cover over-allotments, if any.
(2)  Estimated   solely  for  the  purpose  of   computing  the  amount  of  the
     registration fee,  in accordance  with Rule  457(o) promulgated  under  the
     Securities Act of 1933.
(3)  Such indeterminable number of shares of Common Stock as may be required for
     issuance  upon conversion of the Notes being registered hereunder. Includes
     Preferred Share Purchase Rights associated with such Common Stock.
</TABLE>

                           --------------------------
    THE REGISTRANT HEREBY  AMENDS THIS  REGISTRATION STATEMENT ON  SUCH DATE  OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE  A  FURTHER  AMENDMENT  WHICH SPECIFICALLY  STATES  THAT  THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE  IN ACCORDANCE WITH SECTION 8(A)  OF
THE  SECURITIES ACT  OF 1933 OR  UNTIL THIS REGISTRATION  STATEMENT SHALL BECOME
EFFECTIVE ON  SUCH  DATE  AS  THE SECURITIES  AND  EXCHANGE  COMMISSION,  ACTING
PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.

--------------------------------------------------------------------------------
--------------------------------------------------------------------------------
<PAGE>
INFORMATION   CONTAINED  HEREIN  IS  SUBJECT   TO  COMPLETION  OR  AMENDMENT.  A
REGISTRATION STATEMENT  RELATING TO  THESE SECURITIES  HAS BEEN  FILED WITH  THE
SECURITIES  AND EXCHANGE  COMMISSION. THESE SECURITIES  MAY NOT BE  SOLD NOR MAY
OFFERS TO  BUY  BE  ACCEPTED  PRIOR  TO  THE  TIME  THE  REGISTRATION  STATEMENT
BECOMES  EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE  SECURITIES
IN  ANY STATE IN WHICH SUCH OFFER,  SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.
<PAGE>
PROSPECTUS
$150,000,000
    [LOGO]

  % CONVERTIBLE SUBORDINATED NOTES DUE 2005

The     %  Convertible  Subordinated  Notes  due  2005  (the  "Notes")  of  VLSI
Technology, Inc. ("VLSI" or the "Company") offered hereby will mature on October
1,  2005. Interest on the Notes is payable on April 1 and October 1 of each year
commencing April 1, 1996. The Notes are convertible into shares of Common Stock,
$.01 par  value per  share (the  "Common Stock"),  of the  Company at  any  time
beginning  60 days after the  date of this Prospectus and  on or before the last
trading day prior to maturity, unless previously redeemed, at a conversion price
of $         per share, subject  to adjustment  in certain  events as  described
herein.

The  Common  Stock  of the  Company  is  quoted on  the  Nasdaq  National Market
("Nasdaq") under the symbol "VLSI." On  August 25, 1995, the last reported  sale
price  of the Common Stock on Nasdaq was  $33.375 per share. See "Price Range of
Common Stock and Dividend Policy." The Company intends to apply for approval for
quotation of the Notes on the Nasdaq Stock Market under the symbol "VLSIX."

The Notes are subordinated in right of payment to all existing and future Senior
Debt (as defined) of  the Company and effectively  subordinated to all  existing
and future liabilities and obligations of the Company's subsidiaries. As of June
30,  1995, the total principal  amount of Senior Debt  of the Company would have
been approximately $64.2  million (not  including the  Company's 7%  Convertible
Subordinated Debentures due 2012, which were converted or redeemed subsequent to
June   30,  1995)  and  other  liabilities  and  obligations  of  the  Company's
subsidiaries (excluding intercompany indebtedness)  that would have  effectively
ranked  senior to  the Notes  would have  been approximately  $33.9 million. The
Notes are redeemable, in whole or in part,  at the option of the Company at  any
time on or after October 3, 1997, at the redemption prices set forth herein plus
accrued  interest, except that the Notes may not be redeemed prior to October 3,
1999 unless  the closing  price of  the Common  Stock is  at least  125% of  the
conversion  price for at least 20 trading days within a period of 30 consecutive
trading days ending on the fifth trading day prior to the notice of  redemption.
No sinking fund is provided for the Notes. In addition, following the occurrence
of  a Designated  Event (as  defined), each  holder has  the right  to cause the
Company to purchase the Notes at 101% of their amount together with accrued  and
unpaid interest, subject to certain conditions. See "Description of Notes."

SEE "RISK FACTORS" COMMENCING AT PAGE 7 FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED BY PURCHASERS OF THE NOTES.

THESE  SECURITIES HAVE  NOT BEEN APPROVED  OR DISAPPROVED BY  THE SECURITIES AND
EXCHANGE COMMISSION OR ANY  STATE SECURITIES COMMISSION  NOR HAS THE  SECURITIES
AND  EXCHANGE  COMMISSION OR  ANY STATE  SECURITIES  COMMISSION PASSED  UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

<TABLE>
<CAPTION>
----------------------------------------------------------------------------------------------------
                                                PRICE TO          UNDERWRITING      PROCEEDS TO
                                                PUBLIC(1)         DISCOUNT          COMPANY(1)(2)
<S>                                             <C>               <C>               <C>
Per Note......................................  %                 %                 %
Total(3)......................................  $                 $                 $
----------------------------------------------------------------------------------------------------
<FN>
(1)  Plus accrued interest, if any, from the date of issuance.
(2)  Before deducting expenses payable by the Company estimated to be  $400,000.
     The Underwriters will reimburse the Company for certain of these expenses.
(3)  The Company has granted the Underwriters an option, exercisable at any time
     within  30 days  after the  date hereof,  to purchase  up to  an additional
     $22,500,000 aggregate  principal amount  of Notes  on the  terms set  forth
     above  to cover over-allotments, if any.  If the Underwriters exercise such
     option in  full,  the total  Price  to Public,  Underwriting  Discount  and
     Proceeds  to Company  will be  $           , $            and $           ,
     respectively. See "Underwriting."
</TABLE>

The Notes are offered subject to receipt and acceptance by the Underwriters,  to
prior  sale and to  the Underwriters' right to  reject any order  in whole or in
part and to withdraw, cancel or modify the offer without notice. It is  expected
that  delivery of the Notes will be made  at the office of Salomon Brothers Inc,
Seven World Trade Center, New York, New  York, or through the facilities of  The
Depository Trust Company, on or about              , 1995.

SALOMON BROTHERS INC

           DONALDSON, LUFKIN & JENRETTE
                 SECURITIES CORPORATION

                                            MERRILL LYNCH & CO.
                                                           MONTGOMERY SECURITIES

The date of this Prospectus is              , 1995.
<PAGE>
                             AVAILABLE INFORMATION

    The  Company is subject to the  informational requirements of the Securities
Exchange Act  of  1934, as  amended  (the  "Exchange Act"),  and  in  accordance
therewith  files reports, proxy and information statements and other information
with the Securities  and Exchange Commission  (the "Commission"). Such  reports,
proxy  and information  statements and  other information  may be  inspected and
copied at the public reference facilities  maintained by the Commission at  Room
1024, Judiciary Plaza, 450 Fifth Street, N.W., Washington, D.C. 20549 and at the
Commission's  Regional Offices located at Seven  World Trade Center, 13th Floor,
New York,  New York  10048 and  at  Northwest Atrium  Center, 500  West  Madison
Street, Suite 1400, Chicago, Illinois 60661. Copies of such material also can be
obtained  from  the Public  Reference  Section of  the  Commission at  450 Fifth
Street, N.W., Washington, D.C. 20549, at prescribed rates.

    The Company has filed a registration statement on Form S-3 (herein, together
with all amendments and exhibits,  referred to as the "Registration  Statement")
with  the  Commission  under  the  Securities  Act  of  1933,  as  amended  (the
"Securities Act"). This Prospectus does not  contain all of the information  set
forth  in  the Registration  Statement, certain  parts of  which are  omitted in
accordance with  the  rules  and  regulations of  the  Commission.  For  further
information, reference is hereby made to the Registration Statement.

                     INFORMATION INCORPORATED BY REFERENCE

    The following documents filed by VLSI with the Commission (File No. 0-11879)
pursuant to the Exchange Act are incorporated herein by reference:

    1.   The  Company's Annual  Report on  Form 10-K  for the  fiscal year ended
       December 30, 1994.

    2.  The  Company's Quarterly  Reports on Form  10-Q for  the quarters  ended
       March 31, 1995 and June 30, 1995.

    3.    The  description  of  the  Company's  Common  Stock  contained  in its
       Registration Statement on Form 8-A filed with the Commission on April 20,
       1984, as amended, and  the description of  the Company's Preferred  Share
       Purchase  Rights issued and  issuable pursuant to  its stockholder rights
       plan, contained in the Registration Statement on Form 8-A filed with  the
       Commission on November 20, 1989, as amended.

    In  addition,  all reports  and other  documents  subsequently filed  by the
Company pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act after
the date of  this Prospectus and  prior to  the termination of  the offering  of
Common  Stock shall be deemed to be incorporated by reference in this Prospectus
from the date of  filing such documents. Any  statement contained in a  document
incorporated  by reference herein  shall be deemed to  be modified or superseded
for purposes of this Prospectus to the extent that a statement contained  herein
or  in  any  subsequently  filed  document  that also  is  or  is  deemed  to be
incorporated by reference herein modifies or supersedes such statement. Any such
statement so modified or superseded shall  not be deemed, except as so  modified
or superseded, to constitute a part of this Prospectus. The Company will provide
without  charge to  each person,  including any  beneficial owner,  to whom this
Prospectus is delivered, upon the written or oral request of such person, a copy
of any and all of the documents that are incorporated herein by reference (other
than  exhibits  to  such  documents,  unless  such  exhibits  are   specifically
incorporated  by  reference into  such documents).  Requests for  such documents
should be directed to  Gregory K. Hinckley, Vice  President, Finance, and  Chief
Financial  Officer at the principal executive  offices of VLSI Technology, Inc.,
1109 McKay Drive, San Jose, California 95131 or by telephone at (408) 434-3100.
                           --------------------------

    IN CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR  EFFECT
TRANSACTIONS  WHICH  STABILIZE OR  MAINTAIN THE  MARKET PRICE  OF THE  NOTES AND
COMMON STOCK AT  LEVELS ABOVE  THAT WHICH MIGHT  OTHERWISE PREVAIL  IN THE  OPEN
MARKET. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
                           --------------------------

    IN  CONNECTION WITH  THIS OFFERING,  CERTAIN UNDERWRITERS  AND SELLING GROUP
MEMBERS MAY ENGAGE IN PASSIVE MARKET MAKING TRANSACTIONS IN THE COMMON STOCK  ON
NASDAQ IN ACCORDANCE WITH RULE 10b-6A UNDER THE SECURITIES EXCHANGE ACT OF 1934.
SEE "UNDERWRITING."

                         FOR CALIFORNIA RESIDENTS ONLY

    WITH  RESPECT TO SALES OF THE  SECURITIES BEING OFFERED HEREBY TO CALIFORNIA
RESIDENTS, SUCH SECURITIES MAY BE SOLD ONLY TO (1) "ACCREDITED INVESTORS" WITHIN
THE MEANING OF REGULATION D UNDER THE SECURITIES ACT OF 1933, (2) BANKS, SAVINGS
AND  LOAN  ASSOCIATIONS,  TRUST   COMPANIES,  INSURANCE  COMPANIES,   INVESTMENT
COMPANIES  REGISTERED  UNDER THE  INVESTMENT COMPANY  ACT  OF 1940,  PENSION AND
PROFIT SHARING TRUSTS, ANY CORPORATIONS  OR OTHER ENTITIES WHICH, TOGETHER  WITH
SUCH  CORPORATION'S  OR  OTHER  ENTITY'S  AFFILIATES,  HAVE  A  NET  WORTH  ON A
CONSOLDIATED BASIS ACCORDING TO THEIR  MOST RECENT REGULARLY PREPARED  FINANCIAL
STATEMENTS  (WHICH  SHALL HAVE  BEEN REVIEWED  BUT  NOT NECESSARILY  AUDITED, BY
OUTSIDE ACCOUNTANTS)  OF  NOT LESS  THAN  $14,000,000 AND  SUBSIDIARIES  OF  THE
FOREGOING,  (3)  ANY  CORPORATION,  PARTNERSHIP OR  ORGANIZATION  (OTHER  THAN A
CORPORATION,  PARTNERSHIP  OR  ORGANIZATION  FORMED  FOR  THE  SOLE  PURPOSE  OF
PURCHASING   THE  SECURITIES  BEING  OFFERED  HEREBY)  WHO  PURCHASES  AT  LEAST
$1,000,000 AGGREGATE  AMOUNT  OF THE  SECURITIES  OFFERED HEREBY,  AND  (4)  ANY
NATURAL PERSON WHO (A) HAS INCOME OF $65,000 AND A NET WORTH OF $250,000, OR (B)
HAS  A NET WORTH OF $500,000 (IN EACH CASE, EXCLUDING HOME, HOME FURNISHINGS AND
PERSONAL  AUTOMOBILES).  EACH  CALIFORNIA  RESIDENT  PURCHASING  THE  SECURITIES
OFFERED HEREBY WILL BE DEEMED TO REPRESENT BY SUCH PURCHASE THAT IT COMES WITHIN
ONE  OF THE  AFOREMENTIONED CATEGORIES  AND THAT IT  WILL NOT  SELL OR OTHERWISE
TRANSFER SUCH  SECURITY TO  A CALIFORNIA  RESIDENT UNLESS  THE TRANSFEREE  COMES
WITHIN  ONE  OF  THE  AFOREMENTIONED  CATEGORIES AND  THAT  IT  WILL  ADVISE THE
TRANSFEREE OF THIS CONDITION WHICH TRANSFEREE, BY BECOMING SUCH, WILL BE  DEEMED
TO BE BOUND BY THE SAME RESTRICTIONS ON RESALE.

    The  VLSI  name and  logo,  Polar-TM-, FSB,  ASIC  Synthesizer, ChipPlanner,
Datapath Compiler and Path Finder are trademarks of the Company. This Prospectus
also includes trademarks of companies other than VLSI.

    The following companies  are mentioned in  this Prospectus: Alcatel  Alsthom
Compagnie   Generale  d'Electricite  ("Alcatel"),  AT&T  Corp.  ("AT&T"),  Apple
Computer, Inc. ("Apple"),  Cadence Design Systems,  Inc. ("Cadence"), Chips  and
Technologies,  Inc. ("Chips  and Technologies"), Cisco  Systems, Inc. ("Cisco"),
Compaq Computer Corporation ("Compaq"), DSC Communications Corporation  ("DSC"),
Telefonaktiebolaget    LM   Ericsson   ("Ericsson"),   Hewlett-Packard   Company
("Hewlett-Packard"), Hitachi, Ltd.  ("Hitachi"), Hughes Corporation  ("Hughes"),
Intel   Corporation  ("Intel"),  International   Business  Machines  Corporation
("IBM"),  Kyocera  Corporation  ("Kyocera"),  LSI  Logic  Corporation   ("LSI"),
Matsushita   Electric  Industrial  Co.,  Ltd.  ("Matsushita"),  Mentor  Graphics
Corporation  ("Mentor   Graphics"),   Motorola,  Inc.   ("Motorola"),   National
Semiconductor  Corporation ("National Semiconductor"),  NEC Corporation ("NEC"),
Newbridge Networks  Corporation  ("Newbridge"),  NexGen,  Inc.  ("NexGen"),  Oak
Technology,  Inc. ("Oak  Technology"), Packard Bell  Electronics, Inc. ("Packard
Bell"),  Pioneer  Electronic  Corporation  ("Pioneer"),  Rockwell  International
Corporation  ("Rockwell"), Sagem SA ("Sagem"),  Silicon Graphics, Inc. ("Silicon
Graphics"),  Sony  Corporation  ("Sony"),   Tellabs,  Inc.  ("Tellabs"),   Texas
Instruments   Incorporated  ("Texas  Instruments"  or  "TI"),  Thomson  Consumer
Electronic ("Thomson"), Toshiba  Corporation ("Toshiba") and  UB Networks,  Inc.
("UB Networks").
<PAGE>
                               PROSPECTUS SUMMARY

    THE  FOLLOWING SUMMARY  IS QUALIFIED  IN ITS  ENTIRETY BY  THE MORE DETAILED
INFORMATION AND CONSOLIDATED  FINANCIAL STATEMENTS AND  RELATED NOTES  APPEARING
ELSEWHERE  IN,  OR  INCORPORATED BY  REFERENCE  IN, THIS  PROSPECTUS.  SEE "RISK
FACTORS."

                                  THE COMPANY

    VLSI is  a leader  in the  design, manufacture  and sale  of highly  complex
application  specific integrated circuits ("ASICs") -- custom chips designed for
an individual customer -- and  application specific standard products  ("ASSPs")
--  semi-custom chips designed  for a particular market  application that may be
used by several different customers. The Company targets high-volume markets  in
which  it has built significant expertise and can use its library of proprietary
cells and highly  integrated building  blocks to assist  customers in  designing
products  and in bringing them to  market rapidly. VLSI's target markets include
the computing,  communications  and  consumer and  entertainment  markets.  VLSI
emphasizes  high  performance  applications  where  its  products  are  critical
elements of complex electronic systems. VLSI  targets key OEM customers who  are
leaders  in their respective  industries. The Company's  major customers include
Compaq, Apple, Ericsson, Hewlett-Packard, Silicon Graphics, Tellabs and Alcatel.

    VLSI produces a significant portion of its wafers (approximately 79% in  the
first   half  of  1995)  at  its   own  facilities  and  augments  its  internal
manufacturing  capacity  with   the  foundry  services   of  third-party   wafer
subcontractors.  The  Company  believes  that  this  strategy  improves quality,
cost-effectiveness, responsiveness to customers, access to capacity, ability  to
implement  leading edge  process technology and  time to market,  as compared to
semiconductor companies  that  lack fabrication  facilities.  The  semiconductor
industry   is,  however,   currently  facing   capacity  constraints   in  wafer
manufacturing and the availability of third-party wafer foundries has diminished
significantly. Due to this manufacturing capacity shortage, as well as increased
customer demand,  the  Company  is  seeking  to  accelerate  the  expansion  and
upgrading of its internal and external manufacturing capacity. The Company is in
the  process  of completing  the build-out  of its  fabrication facility  in San
Antonio, Texas in  order to  increase its internal  manufacturing capacity.  The
Company  has  taken  steps to  secure  deliveries of  long  lead-time equipment,
including steppers,  necessary  to  support  approximately  a  50%  increase  in
internal  wafer starts from the fourth quarter  of 1995 to the fourth quarter of
1996.

    Through its subsidiary,  COMPASS Design Automation,  Inc. ("COMPASS"),  VLSI
offers  an  integrated suite  of electronic  design automation  ("EDA") software
tools, foundry-flexible libraries and  support services for  use by systems  and
circuit  designers at other  semiconductor and systems companies,  as well as at
the Company, in creating complex integrated circuits.

    The Company's principal executive offices  are located at 1109 McKay  Drive,
San  Jose,  California  95131,  and  the  Company's  telephone  number  is (408)
434-3100.

                               RECENT DEVELOPMENT

    On August  25,  1995, Intel  Corporation  exercised  in full  a  warrant  to
purchase  2,677,604 shares of VLSI Common  Stock for an aggregate exercise price
of approximately $31.3 million. See "Risk  Factors -- Effect of Potential  Stock
Sales."

                                       3
<PAGE>
                                  THE OFFERING

<TABLE>
<S>                                 <C>
The Notes.........................  $150,000,000   aggregate  principal  amount  of        %
                                    Convertible Subordinated Notes  due 2005 (the  "Notes"),
                                    excluding  $22,500,000  aggregate  principal  amount  of
                                    Notes  subject  to   the  Underwriters'   over-allotment
                                    option.

Maturity..........................  The  Notes will mature on October 1, 2005 unless earlier
                                    redeemed or converted.

Payment of Interest...............  Interest on the Notes at the rate  of    % per annum  is
                                    payable  semi-annually on April 1  and October 1 of each
                                    year commencing April 1, 1996.

Conversion Rights.................  The Notes  are  convertible  into Common  Stock  of  the
                                    Company  at  the  option  of  the  holder  at  any  time
                                    beginning 60 days after the date of this Prospectus  and
                                    on  or before  the last  trading day  prior to maturity,
                                    unless previously  redeemed, at  a conversion  price  of
                                    $   per share, subject to adjustment in certain events.

Redemption at the Option of the
 Company..........................  On  or after October  3, 1997, the  Company may, upon at
                                    least 15 days notice, redeem  the Notes at par plus  the
                                    stated  coupon (declining  ratably to  par at maturity),
                                    together  with  accrued  and  unpaid  interest  thereon,
                                    except  that  the Notes  may  not be  redeemed  prior to
                                    October 3, 1999 unless the  closing price of the  Common
                                    Stock  is at least  125% of the  conversion price for at
                                    least 20 trading days within a period of 30  consecutive
                                    trading  days ending on  the fifth trading  day prior to
                                    the notice of redemption.

Repurchase Upon Designated
 Events...........................  The Notes  are required  to be  repurchased at  101%  of
                                    their  principal amount together with accrued and unpaid
                                    interest thereon, at the option of the holder, upon  the
                                    occurrence of certain events.

Subordination.....................  The  Notes will be unsecured  obligations of the Company
                                    and will  be subordinated  in right  of payment  to  all
                                    existing and future Senior Debt of the Company.

Use of Proceeds...................  For  expansion of manufacturing capacity and for general
                                    corporate purposes, including working capital.

Listing...........................  The Company intends to apply for approval for  quotation
                                    of the Notes on the Nasdaq Stock Market under the symbol
                                    "VLSIX."  The  Common  Stock  is  traded  on  the Nasdaq
                                    National Market under the symbol "VLSI."
</TABLE>

                                       4
<PAGE>
                      SUMMARY CONSOLIDATED FINANCIAL DATA
                (in thousands, except ratios and per share data)

<TABLE>
<CAPTION>
                                                                                                   SIX MONTHS ENDED (5)
                                                          FISCAL YEAR (1)                   ----------------------------------
                                          ------------------------------------------------                         JUNE 30,
                                          1990 (2)    1991    1992 (3)  1993 (4)    1994      JULY 1, 1994         1995 (6)
                                          --------  --------  --------  --------  --------  -----------------   --------------
<S>                                       <C>       <C>       <C>       <C>       <C>       <C>                 <C>
CONSOLIDATED STATEMENT OF OPERATIONS
  DATA:
  Net revenues..........................  $324,828  $413,376  $428,498  $515,946  $587,091      $286,171           $347,424
  Operating income (loss)...............    (6,062)   23,173   (19,282)   27,082    46,749        22,014             36,787
  Net income (loss).....................   (12,740)    9,873   (32,217)   15,883    31,697        14,698             11,545
  Net income (loss) per share...........  $  (0.52) $   0.37  $  (1.12) $   0.45  $   0.85      $   0.40           $   0.29
  Weighted average common and common
   equivalent shares outstanding........    24,339    26,657    28,865    35,276    37,446        37,201             39,579
OTHER DATA:
  EBITDA (7)............................  $ 42,823  $ 71,537  $ 27,740  $ 76,582  $108,510      $ 51,787           $ 51,638
  Capital expenditures (8)..............    35,296    52,062    40,123    63,475    90,694        53,409             62,369
  Ratio of earnings to fixed
   charges (9):
    Actual..............................        -- 10)    2.04x       -- 10)    2.73x    4.49x        4.57x           3.37x
    Pro forma as adjusted (11)..........                                             2.75x         2.67x              2.29x
  Ratio of EBITDA to interest
   expense (7):
    Actual..............................     4.72x     7.75x     3.06x     9.50x    12.38x        12.79x             10.95x
    Pro forma as adjusted (11)..........                                             5.95x         5.89x              5.46x
</TABLE>

<TABLE>
<CAPTION>
                                                                                               AT JUNE 30, 1995
                                                                                  -------------------------------------------
                                                                                                                PRO FORMA
                                                                                   ACTUAL   PRO FORMA (12)   AS ADJUSTED (13)
                                                                                  --------  --------------   ----------------
<S>                                                                               <C>       <C>              <C>
CONSOLIDATED BALANCE SHEET DATA:
  Working capital...............................................................  $234,391     $234,245          $380,245
  Total assets..................................................................   644,179      642,201           795,951
  Short-term debt, including current portion of long-term obligations...........    13,098       13,098            13,098
  Long-term debt and noncurrent capital lease obligations.......................   108,382       51,054           201,054
  Stockholders' equity..........................................................   369,584      425,630           425,630
<FN>
---------------
(1)  From 1990 through  1993, VLSI's fiscal  year end was  the last Saturday  of
     December.  In 1994,  the Company  changed its fiscal  year end  to the last
     Friday of December. The actual dates  of the Company's fiscal year ends  in
     the  table above  are December  29, 1990,  December 28,  1991, December 26,
     1992, December  25, 1993  and  December 30,  1994.  The fiscal  year  ended
     December  30, 1994 was a 53-week year. The current fiscal year is a 52-week
     year ending on December 29, 1995.

(2)  Includes a special charge of $12.8 million reflecting the estimated cost of
     corporate reorganization related to exiting the memory business.

(3)  Includes a special charge  of $22.5 million related  to the de-emphasis  of
     older  technologies,  costs  of streamlining  sales  distribution channels,
     costs of relocating certain offices, writedowns of nonperforming assets and
     costs associated with intellectual property matters.

(4)  Includes a  special charge  of  $1.0 million  representing a  write-off  of
     purchased  in-process  research  and development  expenses  related  to the
     acquisition of certain assets.

(5)  The six-month period  ended July  1, 1994 was  comprised of  27 weeks.  The
     six-month period ended June 30, 1995 was comprised of 26 weeks.

(6)  Includes  a  charge  of $19.4  million  relating to  litigation.  See "Risk
     Factors -- TI Litigation; Intellectual Property Matters."

(7)  EBITDA is defined as  earnings before interest  income and other  expenses,
     interest expense, taxes on income, depreciation and amortization. EBITDA is
     presented  here  to  provide  additional  information  about  the Company's
     ability to meet its  future debt service,  capital expenditure and  working
     capital  requirements and should not be construed  as a substitute for or a
     better indicator of results of operations  or liquidity than net income  or
     cash  flow from operating activities  computed in accordance with generally
     accepted accounting principles. EBITDA  for the six  months ended June  30,
     1995  includes a charge of $19.4  million relating to litigation. See "Risk
     Factors -- TI Litigation; Intellectual Property Matters."

(8)  Includes capitalized interest;  excludes additions to  property, plant  and
     equipment financed by capital leases.
</TABLE>

                                       5
<PAGE>

<TABLE>
<S>  <C>
(9)  The  ratio of earnings to fixed charges is computed by dividing (x) the sum
     of income  before  provision  for  income taxes  and  fixed  charges,  less
     capitalized  interest,  by  (y)  fixed charges.  Fixed  charges  consist of
     interest on all indebtedness, amortization of debt expense and discount  or
     premium  relating to indebtedness  and the estimated  interest component of
     rental expense.

(10) As a result of the loss incurred  for the years 1990 and 1992, the  Company
     was  unable  to  fully cover  fixed  charges.  The dollar  amounts  of such
     deficiencies in  1990  and  1992  were  $1.3  million  and  $18.9  million,
     respectively.

(11) Pro forma as adjusted ratios assume (i) the redemption or conversion of the
     Company's   7%   Convertible   Subordinated   Debentures   due   2012  (the
     "Debentures") after June 30, 1995 as  if such redemption or conversion  had
     been  consummated as of  the first day  of each fiscal  period and (ii) the
     sale of the Notes offered hereby and receipt of the estimated net  proceeds
     (assuming  no exercise  of the  Underwriters' over-allotment  option) as if
     such actions  had been  consummated as  of  the first  day of  each  fiscal
     period.

(12) Gives effect to the conversion or redemption of all of the Debentures after
     June 30, 1995.

(13) Adjusted  to reflect the conversion or  redemption of all of the Debentures
     after June  30, 1995  and the  sale of  the Notes  offered hereby  and  the
     receipt   of  the  estimated  net   proceeds,  assuming  the  Underwriters'
     over-allotment option is not exercised.
</TABLE>

                                       6
<PAGE>
                                  RISK FACTORS

    THE  FOLLOWING FACTORS SHOULD BE CAREFULLY CONSIDERED IN DETERMINING WHETHER
TO MAKE AN INVESTMENT IN THE NOTES.

    FLUCTUATIONS IN OPERATING  RESULTS.   The Company believes  that its  future
operating  results will  be subject  to quarterly  variations based  upon a wide
variety of  factors, including  the cyclical  nature of  both the  semiconductor
industry  and the  markets addressed by  the Company's  products, price erosion,
competitive factors, fluctuations  in manufacturing  yields, the  timing of  new
product  introductions, changes in  product mix, the  availability and extent of
utilization  of  manufacturing   capacity,  product  obsolescence,   scheduling,
rescheduling  and  cancellation  of large  orders,  the ability  to  develop and
implement new  technologies,  changes  in effective  tax  rates  and  litigation
expenses.  The Company's  COMPASS subsidiary,  like other  companies in  the EDA
business, is particularly subject to significant fluctuations in revenues due to
limited backlog and its reliance on large orders placed late in the quarter. The
Company  increases  its   level  of   operating  expenses   and  investment   in
manufacturing  capacity in  anticipation of  future growth  in revenues.  To the
extent this revenue growth does not materialize, the Company's operating results
would be adversely affected. In circumstances where the Company is operating  at
less  than  full  capacity or  has  targeted  a market  segment  as  a long-term
strategic focus, the Company may choose, in the face of severe pricing pressure,
to manufacture products at low or no profitability. The Company's second quarter
financial results were adversely affected by a $19.4 million charge to  earnings
relating  to a May 1995  verdict against VLSI in  a patent infringement lawsuit.
See "-- TI Litigation; Intellectual Property Matters."

    MANUFACTURING CAPACITY LIMITATIONS.  The Company's manufacturing  facilities
are  operating at capacity.  As a result,  VLSI's growth is  constrained and the
Company has experienced difficulty  in meeting the  delivery dates requested  by
customers.  Although the Company intends to use the proceeds of this offering to
increase manufacturing  capacity,  there  can  be no  assurance  that  any  such
increased  capacity  will  be sufficient  to  satisfy demand  for  its products.
Prolonged inability of VLSI to deliver products in a timely manner could  result
in  the loss of customers and materially adversely affect results of operations.
In addition, the Company is experiencing manufacturing inefficiencies associated
with the operation of its facilities at capacity while simultaneously working to
expand or upgrade that  capacity. Significant lead time  is required to  acquire
and  install  additional wafer  fabrication equipment.  To  the extent  that the
Company is unable to procure and install such equipment in a timely manner,  the
increase in wafer production capacity at its facilities would be delayed.

    In  addition, available third-party wafer fabrication, assembly, testing and
packaging capacity has become very limited in recent months. The Company  relied
on  two outside suppliers for approximately 27%  and 21% of its wafer production
in 1994  and the  first half  of 1995,  respectively. Although  the Company  has
ongoing  relationships with these  suppliers, the Company  has only one contract
for guaranteed capacity.  The other supplier  has notified the  Company that  it
will  reduce its allocation of wafers to VLSI in the third quarter of 1995, with
further reductions from  the second quarter  of 1995 levels  through the  second
quarter  of 1996 and has  indicated that it does not  intend to supply wafers to
the Company thereafter. There  can be no assurance  that such supplier will  not
further  reduce  its  allocation to  VLSI.  The  Company is  attempting  to find
alternative sources of wafer  supply. In addition, the  Company relies on  three
suppliers  for  almost  all  assembly  operations.  Any  material  reduction  in
shipments by the  Company's key  suppliers could  also have  a material  adverse
effect  on  the Company's  results of  operations. As  the Company  is currently
unable to  meet the  demands of  its  customers for  VLSI's products,  which  is
adversely  impacting the businesses  of the Company's  customers, some customers
are actively seeking to second source products currently obtained from VLSI.  In
addition,  VLSI's relationships with key customers may be negatively affected by
the Company's  inability  to meet  customer  demands, potentially  resulting  in
material adverse impacts on the Company's future operating results.

    MANUFACTURING RISKS.  The fabrication of integrated circuits is an extremely
complex  and  precise  process  consisting of  hundreds  of  separate  steps and
requiring  production  in  a   highly  controlled,  clean  environment.   Minute
impurities,  errors in any step of the fabrication process, defects in the masks
used

                                       7
<PAGE>
to print circuits on a wafer or other factors can cause a substantial percentage
of wafers to be rejected or numerous die on each wafer to be nonfunctional.  The
Company   may  experience  problems  in   achieving  acceptable  yields  in  the
manufacture of  wafers, particularly  in connection  with any  expansion of  its
capacity  or change  in its  processing steps.  For example,  in late  1992, the
Company switched processes at one step  in the manufacturing line, which  caused
certain  VLSI chips  to fail.  The Company's  replacement of  these chips  at no
charge to the customers  adversely affected results of  operations in the  first
quarter of 1993.

    In  addition  to  manufacturing  in  its  own  facilities,  VLSI  has  wafer
manufacturing arrangements with two integrated circuit manufacturing  companies.
These  wafer subcontractors are  themselves subject to  all of the manufacturing
risks that  are applicable  to VLSI's  own wafer  manufacturing operations.  The
Company  also subcontracts virtually all of its integrated circuit packaging and
a significant portion of  its final testing to  third parties, principally  ANAM
Industrial  Company in Korea, ASE  Corporation in Taiwan, Advanced Semiconductor
Assembly Technology in Hong Kong and Mitsui Incorporated in Japan. In  addition,
the  Company's  foreign subcontract  manufacturing  arrangements are  subject to
risks such as changes in  government policies, transportation delays,  increased
tariffs,  fluctuations in foreign  exchange rates, and  export and tax controls.
Any problems experienced in obtaining  acceptable wafers from third party  wafer
subcontractors on a timely basis to augment the Company's internal manufacturing
capacity  or in the  integrated circuit packaging,  assembly and test operations
performed by subcontractors could delay shipments of the Company's products  and
materially adversely affect the Company's results of operations.

    The  Company's success  is also  dependent upon  its ability  to develop and
implement new  manufacturing  process  technologies.  Semiconductor  design  and
process methodologies are subject to rapid technological change, requiring large
expenditures  for research and  development. Most of  the Company's products are
currently manufactured  using sub-micron  CMOS processes.  The Company  believes
that  the transition to smaller geometry  process technologies will be important
to remaining  competitive.  The Company  is  in  the process  of  expanding  and
upgrading  its  manufacturing  facility  in  San  Jose,  California  to  convert
production to a 6-inch CMOS wafer  process. The Company's San Antonio  facility,
which  is currently  using both  0.6-micron and  0.8-micron processes,  is being
converted to 100% 0.5-micron CMOS process capability and steps to facilitize the
third  and  fourth  modules  have  begun.   In  the  second  quarter  of   1995,
inefficiencies  caused  by  the  work associated  with  the  conversions  of the
manufacturing facilities had a  negative effect on  the Company's overall  gross
profit of approximately $2 million, or one percentage point of gross margin. The
work  effort associated  with the  changes to  these facilities  will negatively
affect the Company's gross profit in the third quarter of 1995, could result  in
further  disruption to  manufacturing output as  well as wafer  yields and could
have a material adverse impact on future operating results.

    The Company is party  to a joint development  agreement with Hitachi,  which
expires  in 1997. Under such agreement, the Company and Hitachi work together to
develop  advanced  sub-micron  processes  for  the  manufacture  of   integrated
circuits.  In addition,  the Company is  dependent on Hitachi  for assistance in
developing  other  state-of-the-art  manufacturing  processes.  Any  failure  or
disruption  of the Company's joint development  activities could have a material
adverse  effect  upon  the  Company's  ability  to  implement   state-of-the-art
manufacturing processes.

    The  Company's San Jose  facility, which accounted  for approximately 41% of
its total internal production in the first  half of 1995, is located near  major
earthquake  faults and  in an area  that has  in the recent  past experienced an
extended drought.  Even though  the  Company utilizes  both of  its  fabrication
plants  and two subcontractors to manufacture its  wafers and has the ability to
shift manufacturing  from  one  plant  to another  for  many  of  its  products,
disruption  of operations at either of the Company's production facilities or at
those of its subcontractors  for any reason, such  as fire or earthquake,  would
cause  delays in shipments until  the Company could shift  the products from the
affected facility or subcontractor to another facility.

    FUTURE CAPITAL NEEDS.  Semiconductor companies such as VLSI have substantial
ongoing capital  requirements  to  obtain  internal  or  external  manufacturing
capacity. In order to remain competitive, the

                                       8
<PAGE>
Company  must continue to make significant  investments in capital equipment and
expansion of facilities, as well as in research and development. Development and
implementation of  sub-micron manufacturing  processes is  particularly  capital
intensive,  requiring significant investments in new state-of-the-art equipment.
The Company  currently has  budgeted its  capital expenditures  for 1995  to  be
approximately  $200  million.  The Company  believes  that the  net  proceeds of
approximately $94 million  from the sale  of the Common  Stock in the  Company's
public  offering in  June 1995 (the  "Equity Offering"),  together with existing
cash balances, cash flow from operations, available equipment financing and  net
proceeds  of  this  Notes offering  will  be  sufficient to  meet  the Company's
liquidity and capital requirements through 1996. While the Company is  currently
increasing  its internal manufacturing  capacity by completing  the build-out of
its San Antonio facility,  the Company believes it  will need to further  expand
its  internal  capacity  as well  as  to  explore methods  to  increase external
capacity. As a result, the Company may be required or choose to seek  additional
equity  or debt financing to fund further  expansion of its internal or external
wafer fabrication capacity or for other purposes. The timing and amount of  such
capital  requirements cannot be precisely determined and will depend on a number
of factors, including demand for the Company's products, product mix, changes in
semiconductor industry  conditions  and competitive  factors.  There can  be  no
assurance  that such additional  financing will be available  when needed or, if
available, will be on satisfactory terms. The failure to obtain financing  would
hinder  the Company's ability to make continued investments in capital equipment
and facilities, which could materially adversely affect the Company's results of
operations.

    TI LITIGATION; INTELLECTUAL PROPERTY MATTERS.   The Company is one of  three
defendants in a major patent infringement suit brought by Texas Instruments with
respect to patents that have now expired, which suit resulted in a May 1995 jury
verdict  against  VLSI for  damages  of $19.4  million.  The Company  intends to
contest the verdict. However, the Company recorded a charge to earnings of $19.4
million in the  second quarter of  1995. Based  on the jury's  finding that  the
alleged  infringement was  intentional, TI  has requested  that the  judge award
enhanced damages, pre-judgment interest and  attorneys' fees. In the event  that
enhanced  damages  (which  by  statute  may  be  as  high  as  treble  damages),
pre-judgment interest and/or  attorneys' fees  are awarded,  the judgment  could
result  in a material reduction  in liquidity, as well  as an additional adverse
impact on the Company's reported results of operations.

    The semiconductor industry is generally characterized by vigorous protection
and pursuit  of  intellectual  property  rights and  positions,  which  have  on
occasion  resulted in  protracted litigation  that utilizes  cash and management
resources, which can  have a  significant adverse effect  on operating  results.
There  can be no assurance that additional intellectual property claims will not
be made  against the  Company in  the future  or that  the Company  will not  be
prohibited  from using the technologies subject to such claims or be required to
obtain licenses and make corresponding royalty payments for past or future  use.
There  can  be  no  assurance  that  any  such  licenses  could  be  obtained on
commercially reasonable terms.

    DEPENDENCE ON PERSONAL COMPUTER INDUSTRY.  The Company estimates that  total
sales  to the personal  computer market during  1994 and the  first half of 1995
represented  approximately  47%   and  46%  of   the  Company's  net   revenues,
respectively. With seven of the Company's top ten customers in the first half of
1995  operating in the  personal computer industry,  a deterioration of business
conditions in  the personal  computer  industry would  have a  material  adverse
effect  on VLSI's  operations. The personal  computer market is  volatile and is
subject to  significant  shifts  in  demand and  severe  pricing  pressures.  In
addition,   the  market   for  the   Company's  personal   computer  devices  is
characterized by  rapid  technological  change  and  product  obsolescence.  The
Company's results in the personal computer market will also be dependent in part
on  the Company's ability to respond quickly to new microprocessor architectures
adopted by  major  OEMs.  The  Company's need  to  anticipate  customer  product
transitions  also leads to  potential inventory exposure,  which could adversely
affect the Company's financial results.

    CYCLICAL NATURE OF THE SEMICONDUCTOR  INDUSTRY.  The semiconductor  industry
has  historically been characterized by wide  fluctuations in product supply and
demand. From  time  to  time,  the industry  has  also  experienced  significant
downturns,  often in connection with, or in anticipation of, declines in general
economic conditions. These downturns, which in  some cases have lasted for  more
than  a year, have  been characterized by  diminished product demand, production
over-capacity and subsequent

                                       9
<PAGE>
accelerated erosion  of  average  sales prices.  The  Company  historically  has
experienced  prolonged over-capacity for sustained periods of time and there can
be no assurance that  the Company's efforts  to increase manufacturing  capacity
will  not result in future sustained periods of over-capacity. The Company, like
other semiconductor manufacturers  with fabrication facilities,  has high  fixed
costs  for its manufacturing facilities and  believes that its operating results
were  adversely  affected  by  an  industry-wide  downturn  in  the  demand  for
semiconductors  in 1990. This downturn coincided  with the recession in the U.S.
economy  and   slower   growth   in   various   electronics   industries   using
semiconductors,  including market segments  in which the  Company was engaged at
the time.

    NEW PRODUCT RISKS.  The Company's  future success depends on its ability  to
continue  to develop and introduce new  products that compete effectively on the
basis of  price and  performance  and that  satisfy customer  requirements.  The
Company  expects to continue  to invest in  the research and  development of new
products for all of its market segments during the balance of 1995. New  product
development  often requires long-term forecasting  of market trends, development
and implementation of  new processes  and technologies  and substantial  capital
commitments. If the Company is unable to design, develop, manufacture and market
new  products successfully and in a timely manner, its operating results will be
materially adversely  affected. No  assurance can  be given  that the  Company's
product  and process development efforts will be successful or that new products
will achieve market acceptance. For  example, the Company expended  considerable
financial  and  technical resources  during  1993 and  part  of 1994  toward the
development of its Polar  product, a device intended  for the handheld  computer
market  integrating Intel's  386SL microprocessor.  Because the  handheld market
developed more  slowly than  initial expectations,  the Company  and Intel,  its
partner  in  the  Polar  development  effort,  canceled  the  Polar  project and
terminated the amended July 8, 1992 Technology Agreement between the companies.

    COMPETITION.  The semiconductor industry in general and the markets in which
the Company competes  in particular are  intensely competitive, exhibiting  both
rapid technological change and ongoing price erosion as technologies mature. The
Company   competes  with  large   domestic  and  foreign   companies  that  have
substantially greater financial, technical,  marketing and management  resources
than  the Company,  such as  AT&T, IBM,  Intel, LSI,  Motorola, TI  and Toshiba.
Competition is particularly intense in X86  core logic chip sets where Intel,  a
dominant  supplier of microprocessors  to the PC industry,  has become the major
supplier of Pentium PC chip  sets, as well as  motherboards, which is likely  to
cause increased pricing and margin pressure on such chip sets. Competition faced
by  COMPASS  in the  EDA market  comes  primarily from  a few  large established
vendors, such as  Cadence and Mentor  Graphics. There is  no assurance that  the
Company will be able to compete successfully in the future.

    CONCENTRATION  OF CUSTOMER BASE.   Approximately two-thirds of the Company's
net revenues for the first  half of 1995 were derived  from sales to its top  20
customers, a large percentage of which are in the personal computer business. As
a  result  of  the  concentration  of  the  Company's  customer  base,  loss  or
cancellation of business from any of these major customers, significant  changes
in  scheduled deliveries to any of these customers or decreases in the prices of
products sold to any  of these customers could  materially adversely affect  the
Company's  results  of operations.  These  risks of  customer  concentration are
exacerbated by the fact that the Company's agreements with its customers for the
purchase of products are generally terminable by such customers at any time  and
permit  customers to cancel orders previously  placed for the Company's products
without penalty.  For example,  in  the fourth  quarter  of 1993,  Apple,  which
accounted  for  19%  of 1993  net  revenues,  postponed and,  in  certain cases,
canceled approximately $20 million of shipments originally planned for  delivery
in  1994, adversely  affecting VLSI's 1994  results of  operations. Shipments to
another customer, Compaq, accounted for 22% of  net revenues in 1994 and 11%  of
net revenues in the first six months of 1995.

    SUBORDINATION  OF NOTES.   The Notes  will be unsecured  and subordinated in
right of payment in full to all existing and future Senior Debt of the  Company.
As  a result of such  subordination, in the event  of bankruptcy, liquidation or
reorganization of the Company, or upon the acceleration of any Senior Debt,  the
assets  of the Company  will be available  to pay obligations  on the Notes only
after all Senior Debt  has been paid  in full, and there  may not be  sufficient
assets remaining to pay amounts due on any or all of the Notes then outstanding.
The  Company  expects  from  time to  time  to  incur  indebtedness constituting

                                       10
<PAGE>
Senior Debt. The Notes  are also structurally  subordinated to the  liabilities,
including  trade payables, of the Company's subsidiaries. The Indenture does not
prohibit or limit  the incurrence of  additional indebtedness, including  Senior
Debt,  by  the Company  or  its subsidiaries  and  the incurrence  of additional
indebtedness by  the Company  or  its subsidiaries  could adversely  affect  the
Company's  ability to pay its obligations on the Notes. As of June 30, 1995, the
Company would have had  approximately $64.2 million  of Senior Debt  outstanding
(not  including the Debentures,  which were converted  or redeemed subsequent to
June 30, 1995) and the indebtedness  and all other liabilities of the  Company's
subsidiaries (excluding intercompany indebtedness) would have been approximately
$33.9 million. See "Description of Notes -- Subordination."

    LIMITATIONS ON REPURCHASE OF NOTES.  Upon a Designated Event, which includes
a  Change of  Control (each as  defined below),  each holder of  Notes will have
certain rights, at the holder's option, to require the Company to repurchase all
or a portion of such holder's Notes. If a Designated Event were to occur,  there
can  be no  assurance that the  Company would  have sufficient funds  to pay the
repurchase price for all Notes tendered by the holders thereof. In addition, the
Company's repurchase of  Notes as  a result of  the occurrence  of a  Designated
Event  may be prohibited or limited by, or create an event of default under, the
terms of agreements related to borrowings which the Company may enter into  from
time to time, including agreements relating to Senior Debt.

    AVAILABILITY  OF RAW  MATERIALS.  Raw  materials essential  to the Company's
business  are  generally  available  from  multiple  sources.  However,  due  to
increased levels of demand, there may be an industrywide shortage of raw silicon
wafers.  A  prolonged  inability  to  obtain silicon  wafers  or  any  other raw
materials could have a material adverse impact on the Company's business.

    ENVIRONMENTAL REGULATIONS.  The Company is subject to a variety of  federal,
state  and local governmental regulations related to the storage, use, discharge
and disposal of  toxic, volatile or  otherwise hazardous chemicals  used in  its
manufacturing  process.  Increasing public  attention  has been  focused  on the
environmental impact of  semiconductor manufacturing  operations. The  Company's
San  Jose, California facilities are located near residential areas, which could
increase the incidence of environmental complaints or investigations. There  can
be  no assurance that  changes in environmental regulations  will not impose the
need for additional capital equipment or other requirements. Any failure by  the
Company  to control  the use  of, or  adequately to  restrict the  discharge of,
hazardous substances under present or  future regulations could subject VLSI  to
substantial  liability  or  could  cause  its  manufacturing  operations  to  be
suspended. Such liability or suspension of manufacturing operations could have a
material adverse effect on the Company's operating results.

    ABSENCE OF PUBLIC MARKET FOR  THE NOTES.  The Notes  will be a new issue  of
securities with no established trading market. The Underwriters have advised the
Company  that  they  currently  intend  to  make  a  market  in  the  Notes. The
Underwriters are not obligated, however, to make a market in the Notes, and  any
such market-making may be discontinued at any time at the sole discretion of the
Underwriters  without notice. While  the Company currently  intends to apply for
approval for the Notes to be quoted on the Nasdaq Stock Market, there can be  no
assurance  that a trading market  for the Notes will  develop or, if such market
does develop, as to the liquidity of such market.

    VOLATILITY OF STOCK PRICE.  The  Company's Common Stock has experienced  and
can  be expected  to experience substantial  price volatility.  In addition, the
stock market in general has  experienced extreme price and volume  fluctuations,
which  have particularly affected the market  price of many technology companies
and which  have often  been  unrelated to  the  operating performance  of  those
companies. See "Price Range of Common Stock and Dividend Policy."

    EFFECT OF POTENTIAL STOCK SALES.  Intel has the right to demand registration
of  2,677,604 shares  of VLSI  Common Stock  (the "Warrant  Shares") issued upon
exercise of a warrant in August 1995. Such registration rights may be  exercised
by  Intel at any time. In the event that Intel exercises its demand registration
rights, the  Company will  be required  to file  a registration  statement  with
respect to the Warrant Shares with the Securities and Exchange Commission within
30  days of Intel's notice to VLSI,  subject to certain conditions. There can be
no assurance  that Intel  will not  elect to  exercise its  demand  registration
rights  during or  shortly after this  offering, which  election could adversely
affect the market

                                       11
<PAGE>
price of  the  Company's  Common  Stock.  In addition,  as  of  June  30,  1995,
approximately  3.2 million  vested and unvested  shares of  the Company's Common
Stock (the "Option Shares") were subject to employee and director stock  options
having  exercise prices below the market price  of the Common Stock shown on the
cover page  of this  Prospectus. Many  optionees may  choose to  exercise  their
options  and sell the Common  Stock acquired upon exercise  in the coming months
due to the  significant spread between  the exercise prices  and current  market
prices.  Sales of large numbers of shares by Intel, optionees or others may have
a depressing effect  on the  market price for  the Company's  Common Stock.  See
"Capitalization."

                                       12
<PAGE>
                                USE OF PROCEEDS

    The  net proceeds to the  Company from the sale  of Notes offered hereby are
estimated to be  approximately $146,000,000 ($167,937,500  if the  Underwriters'
over-allotment option is exercised in full). The proceeds will be used primarily
for  adding internal  and external  wafer fabrication  capacity and  for general
corporate purposes,  including  working  capital.  In  particular,  the  Company
intends  to  install  additional  manufacturing equipment  and  to  complete the
build-out of  its San  Antonio fabrication  facility to  increase  manufacturing
capacity.  Although the Company does not currently intend to use the proceeds of
this offering for the acquisition of  the business, products or technologies  of
other   companies,  it  may  in  the  future  enter  into  agreements  for  such
acquisitions.  There  are  no  pending  agreements  or  arrangements  concerning
material  acquisitions. Pending such uses, the Company intends to invest the net
proceeds in investment grade securities and interest-bearing obligations.

                PRICE RANGE OF COMMON STOCK AND DIVIDEND POLICY

    The Company's Common Stock  has been traded  on the over-the-counter  market
under  the Nasdaq symbol  "VLSI" since the Company's  initial public offering in
1983. The following table  sets forth, for the  periods indicated, the high  and
low  closing prices for the Common Stock on the Nasdaq National Market. The last
reported sale price for the  Common Stock of the Company  on August 25, 1995  as
reported  by the Nasdaq National  Market is set forth on  the cover page of this
Prospectus. At August 11, 1995, the Company  had 1,529 holders of record of  its
Common  Stock  and  44,074,537 shares  outstanding.  See also  "Risk  Factors --
Volatility of Stock Price" and "-- Effect of Potential Stock Sales."

<TABLE>
<CAPTION>
                                                                                    HIGH      LOW
                                                                                   ------    -----
<S>                                                                                <C>       <C>
1993:
  First Quarter.................................................................   $ 8 7/8   $ 6 3/4
  Second Quarter................................................................     8 7/8     6 1/2
  Third Quarter.................................................................    18 5/8     9 1/2
  Fourth Quarter................................................................    18 5/8     9 3/4
1994:
  First Quarter.................................................................   $16       $ 9 5/8
  Second Quarter................................................................    15 3/8    12 1/8
  Third Quarter.................................................................    15 15/16  11
  Fourth Quarter................................................................    13 1/8    10 1/2
1995:
  First Quarter.................................................................   $18 3/16  $11 11/16
  Second Quarter................................................................    30 1/8    16 3/4
  Third Quarter (through August 25, 1995).......................................    35 1/2    26 11/16
</TABLE>

    The Company has never paid cash  dividends on its Common Stock. The  Company
presently  intends to retain all cash for  use in the operation and expansion of
the Company's business and does not anticipate paying any cash dividends in  the
near future. Certain of VLSI's debt agreements prohibit the payment of dividends
without the lender's consent.

                                       13
<PAGE>
                                 CAPITALIZATION

    The  following  table  sets  forth  the  cash,  short-term  debt  and  total
capitalization of the Company at June 30,  1995, pro forma giving effect to  the
conversion  or redemption  of all of  the Company's  7% Convertible Subordinated
Debentures due 2012 prior to the date hereof, and pro forma as adjusted to  give
effect  to  the  offering  of  the  Notes  hereby,  assuming  the  Underwriters'
over-allotment option is not exercised.

<TABLE>
<CAPTION>
                                                                                    JUNE 30, 1995
                                                                     --------------------------------------------
                                                                                                     PRO FORMA
                                                                       ACTUAL     PRO FORMA (1)   AS ADJUSTED (2)
                                                                     -----------  --------------  ---------------
                                                                         (IN THOUSANDS EXCEPT PER SHARE DATA)
<S>                                                                  <C>          <C>             <C>
Cash, cash equivalents and liquid investments (3)..................  $   220,410   $    219,567     $   365,567
                                                                     -----------  --------------  ---------------
                                                                     -----------  --------------  ---------------
Short-term debt:
  Current portion of long-term debt................................  $     9,400   $      9,400     $     9,400
  Current capital lease obligations................................        3,698          3,698           3,698
                                                                     -----------  --------------  ---------------
    Total short-term debt..........................................  $    13,098   $     13,098     $    13,098
                                                                     -----------  --------------  ---------------
                                                                     -----------  --------------  ---------------
Long-term debt:
    % Convertible Subordinated Notes due 2005......................  $        --   $         --     $   150,000
  7% Convertible Subordinated Debentures due 2012..................       57,328             --              --
  Other long-term debt.............................................       47,071         47,071          47,071
  Noncurrent capital lease obligations.............................        3,983          3,983           3,983
                                                                     -----------  --------------  ---------------
    Total long-term debt...........................................      108,382         51,054         201,054
                                                                     -----------  --------------  ---------------
Stockholders' equity:
  Preferred Shares, $.01 par value, Authorized: 2,000,000 shares;
   no shares issued and outstanding................................           --             --              --
  Common Stock, $.01 par value, Authorized: 99,000,000 shares;
   Issued and outstanding actual: 41,403,953 shares; pro forma and
   as adjusted: 44,009,679 shares (4)..............................          414            440             440
  Junior Common Stock, $.01 par value, Authorized: 1,000,000
   shares; no shares issued and outstanding........................           --             --              --
  Additional paid-in capital.......................................      334,464        390,484         390,484
  Retained earnings................................................       34,706         34,706          34,706
                                                                     -----------  --------------  ---------------
    Total stockholders' equity.....................................      369,584        425,630         425,630
                                                                     -----------  --------------  ---------------
      Total capitalization.........................................  $   477,966   $    476,684     $   626,684
                                                                     -----------  --------------  ---------------
                                                                     -----------  --------------  ---------------
<FN>
------------
(1)  Gives effect to the conversion  or redemption of the Debentures  subsequent
     to June 30, 1995 pursuant to a standby underwritten call.
(2)  Adjusted  to reflect the conversion or  redemption of all of the Debentures
     after June 30, 1995 and the offering of the Notes hereby and receipt of the
     estimated net proceeds, assuming the Underwriters' over-allotment option is
     not exercised.
(3)  Cash and cash equivalents are defined as cash and instruments with maturity
     dates of 90  days or less.  Liquid investments are  defined as  instruments
     with maturity dates of between 91 and 365 days.
(4)  Excludes  (i)  1,364,874  shares  of Common  Stock  subject  to outstanding
     options under the Company's  1982 Incentive Stock  Option Plan, which  plan
     has  expired as  to future  grants, (ii)  4,162,723 shares  of Common Stock
     reserved for issuance upon  exercise of stock  options under the  Company's
     1992  Stock  Plan, of  which 1,681,320  shares  are subject  to outstanding
     options and 2,481,403 shares are available for future grant as of June  30,
     1995,  (iii) 2,443,950 shares  of Common Stock  reserved for issuance under
     the Company's employee stock purchase  plan, (iv) 275,000 shares of  Common
     Stock  reserved  for  issuance upon  exercise  of stock  options  under the
     Company's 1986 Directors' Stock  Option Plan, of  which 115,000 shares  are
     subject  to outstanding options and 160,000 shares are available for future
     grant, and  (v) 2,677,604  shares  of Common  Stock  issued to  Intel  upon
     exercise of a warrant in August 1995.
</TABLE>

                                       14
<PAGE>
                      SELECTED CONSOLIDATED FINANCIAL DATA

    The  consolidated statement of operations data set forth below for the years
ended December  26,  1992, December  25,  1993 and  December  30, 1994  and  the
consolidated  balance sheet data at December 25,  1993 and December 30, 1994 are
derived from the financial statements of  the Company, audited by Ernst &  Young
LLP,  independent auditors, that  are incorporated herein  by reference, and are
qualified by reference to such financial statements. The consolidated  statement
of operations data for the years ended December 29, 1990, and December 28, 1991,
and  the consolidated balance sheet data at December 29, 1990, December 28, 1991
and December 26, 1992 are derived from financial statements of the Company  that
also  have been audited by Ernst & Young  LLP but are not incorporated herein by
reference. The financial  data at June  30, 1995 and  for the six-month  periods
ended  July  1, 1994  and June  30,  1995 are  derived from  unaudited financial
statements, which include all adjustments,  consisting only of normal  recurring
accruals,  that the Company  considers necessary for a  fair presentation of the
consolidated financial position and the  consolidated results of operations  for
these  periods. Operating results for the six months ended June 30, 1995 are not
necessarily indicative of the results that may be expected for future periods or
for the year ending December  29, 1995. The data  should be read in  conjunction
with  the consolidated financial  statements, related notes  and other financial
information included herein or incorporated herein by reference.
<TABLE>
<CAPTION>
                                                 FISCAL YEAR (1)(2)                                SIX MONTHS ENDED (3)
                              --------------------------------------------------------    --------------------------------------
                                1990        1991        1992        1993        1994      JULY 1, 1994 (2)       JUNE 30, 1995
                              --------    --------    --------    --------    --------    -----------------     ----------------
                                                       (IN THOUSANDS, EXCEPT RATIOS AND PER SHARE DATA)
<S>                           <C>         <C>         <C>         <C>         <C>         <C>                   <C>
CONSOLIDATED STATEMENT OF
  OPERATIONS DATA:
  Net revenues..............  $324,828    $413,376    $428,498    $515,946    $587,091         $286,171              $347,424
  Cost of sales.............   215,757     275,414     293,392     327,774     356,858          174,811               208,767
                              --------    --------    --------    --------    --------    -----------------     ----------------
    Gross profit............   109,071     137,962     135,106     188,172     230,233          111,360               138,657
  Operating expenses:
    Research and
     development............    35,521      39,167      50,442      65,431      78,889           38,603                42,936
    Marketing, general and
     administrative.........    66,862      75,622      81,446      94,651     104,595           50,743                58,934
    Special charge..........    12,750(4)       --      22,500(5)    1,008(6)       --               --                    --
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Operating income (loss)...    (6,062)     23,173     (19,282)     27,082      46,749           22,014                36,787
  Litigation charge.........        --          --          --          --          --               --               (19,400)(7)
  Interest income and other
   expenses (net)...........     2,395      (1,161)     (3,282)      1,512       3,301            1,510                 2,425
  Interest expense..........    (9,073)     (9,234)     (9,053)     (8,063)     (8,343)          (4,048)               (3,317)
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Income (loss) before
   provision for taxes on
   income...................   (12,740)     12,778     (31,617)     20,531      41,707           19,476                16,495
  Provision for taxes on
   income...................        --       2,905         600       4,648      10,010            4,778                 4,950
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Net income (loss).........  $(12,740)   $  9,873    $(32,217)   $ 15,883    $ 31,697         $ 14,698              $ 11,545
                              --------    --------    --------    --------    --------    -----------------     ----------------
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Net income (loss) per
   share....................  $  (0.52)   $   0.37    $  (1.12)   $   0.45    $   0.85         $   0.40              $   0.29
                              --------    --------    --------    --------    --------    -----------------     ----------------
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Weighted average common
   and common equivalent
   shares outstanding.......    24,339      26,657      28,865      35,276      37,446           37,201                39,579
OTHER DATA:
  EBITDA (8)................  $ 42,823    $ 71,537    $ 27,740    $ 76,582    $108,510         $ 51,787              $ 51,638
  Capital expenditures
   (9)......................    35,296      52,062      40,123      63,475      90,694           53,409                62,369
  Ratio of earnings to fixed
   charges (10):
    Actual..................        --(11)    2.04x         --(11)    2.73x      4.49x            4.57x                 3.37x
    Pro forma as adjusted
     (11)...................                                                     2.75x            2.67x                 2.29x
  Ratio of EBITDA to
   interest
   expense (8):
    Actual..................     4.72x       7.75x       3.06x       9.50x      12.38x           12.79x                10.95x
    Pro forma as adjusted
     (12)...................                                                     5.95x            5.89x                 5.46x

<CAPTION>

                                                 FISCAL YEAR (1)(2)                                SIX MONTHS ENDED (3)
                              --------------------------------------------------------    --------------------------------------
                                1990        1991        1992        1993        1994      JULY 1, 1994 (2)       JUNE 30, 1995
                              --------    --------    --------    --------    --------    -----------------     ----------------
<S>                           <C>         <C>         <C>         <C>         <C>         <C>                   <C>
  Net revenues..............     100.0%      100.0%      100.0%      100.0%      100.0%           100.0%                100.0%
  Cost of sales.............      66.4        66.6        68.5        63.5        60.8             61.1                  60.1
                              --------    --------    --------    --------    --------    -----------------     ----------------
    Gross profit............      33.6        33.4        31.5        36.5        39.2             38.9                  39.9
  Operating expenses:
    Research and
     development............      10.9         9.5        11.8        12.7        13.4             13.5                  12.3
    Marketing, general and
     administrative.........      20.7        18.3        19.0        18.3        17.8             17.7                  17.0
    Special charge..........       3.9(4)       --         5.2(5)      0.2(6)       --               --                    --
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Operating income (loss)...      (1.9)        5.6        (4.5)        5.3         8.0              7.7                  10.6
  Litigation charge.........        --          --          --          --          --               --                   5.6(7)
  Interest expense and
   other, net...............       2.0         2.5         2.9         1.3         0.9              0.9                   0.3
  Provision for taxes on
   income...................        --         0.7         0.1         0.9         1.7              1.7                   1.4
                              --------    --------    --------    --------    --------    -----------------     ----------------
  Net income (loss).........      (3.9)%       2.4%       (7.5)%       3.1%        5.4%             5.1%                  3.3%
                              --------    --------    --------    --------    --------    -----------------     ----------------
                              --------    --------    --------    --------    --------    -----------------     ----------------
</TABLE>

<TABLE>
<CAPTION>
                                                                           AT FISCAL YEAR END (1)
                                                              ------------------------------------------------        AT
                                                                1990      1991      1992      1993      1994    JUNE 30, 1995
                                                              --------  --------  --------  --------  --------  --------------
                                                                               (IN THOUSANDS)
<S>                                                           <C>       <C>       <C>       <C>       <C>       <C>
CONSOLIDATED BALANCE SHEET DATA:
  Working capital...........................................  $ 65,960  $ 76,127  $102,149  $114,423  $138,704     $234,391
  Total assets..............................................   327,340   364,018   368,208   412,223   490,216      644,179
  Short-term debt, including current portion of long-term
   obligations..............................................    34,945    39,661    15,707    14,606    15,516       13,098
  Long-term debt and non-current capital lease
   obligations..............................................    89,277    92,633    83,178    85,855    96,804      108,382
  Stockholders' equity......................................   147,110   161,628   185,008   212,508   255,430      369,584
</TABLE>

                                       15
<PAGE>
<TABLE>
<S>                                                           <C>       <C>       <C>       <C>       <C>       <C>
<FN>
-------------

(1)  From 1990 through  1993, VLSI's fiscal  year end was  the last Saturday  of
     December.  In 1994,  the Company  changed its fiscal  year end  to the last
     Friday of December. The actual dates  of the Company's fiscal year ends  in
     the  table above  are December  29, 1990,  December 28,  1991, December 26,
     1992, December  25, 1993  and  December 30,  1994.  The fiscal  year  ended
     December  30, 1994 was a 53-week year. The current fiscal year is a 52-week
     year ending on December 29, 1995.

(2)  During 1994, the Company reclassified costs associated with its  Technology
     Centers  from  research and  development to  cost  of sales  and marketing,
     general and  administrative  in  order  to make  the  presentation  of  the
     Company's   financial  statements   more  comparable   with  the  financial
     statements of its closest competitors and  to better reflect the nature  of
     these  costs. Amounts reclassified in 1990, 1991, 1992, 1993 and 1994 total
     $18.1 million,  $18.8  million,  $19.1 million,  $18.4  million  and  $22.7
     million,  respectively. Cost of  sales were increased  $14.1 million, $14.7
     million, $14.9 million,  $14.2 million  and $17.9 million  for 1990,  1991,
     1992,  1993 and  1994, respectively. Marketing,  general and administrative
     expenses were  increased $4.0  million, $4.1  million, $4.2  million,  $4.2
     million and $4.8 million for 1990, 1991, 1992, 1993 and 1994, respectively.

(3)  The  six-month period  ended July  1, 1994 was  comprised of  27 weeks. The
     six-month period ended June 30, 1995 was comprised of 26 weeks.

(4)  Represents a special charge of $12.8 million reflecting the estimated  cost
     of corporate reorganization related to exiting the memory business.

(5)  Represents  a special charge of $22.5 million related to the de-emphasis of
     older technologies,  costs  of streamlining  sales  distribution  channels,
     costs of relocating certain offices, writedowns of nonperforming assets and
     costs associated with intellectual property matters.

(6)  Represents  a  special charge  of $1.0  million  reflecting a  write-off of
     purchased in-process  research  and  development expenses  related  to  the
     acquisition of certain assets.

(7)  Represents  a charge  of $19.4  million relating  to litigation.  See "Risk
     Factors -- TI Litigation; Intellectual Property Matters."

(8)  EBITDA is defined as  earnings before interest  income and other  expenses,
     interest expense, taxes on income, depreciation and amortization. EBTIDA is
     presented  here  to  provide  additional  information  about  the Company's
     ability to meet its future  debt service, capital expenditure, and  working
     capital  requirements and should not be construed  as a substitute for or a
     better indicator of results of operations  or liquidity than net income  or
     cash  flow from operating activities  computed in accordance with generally
     accepted accounting principles. EBITDA  for the six  months ended June  30,
     1995  includes a charge of $19.4  million relating to litigation. See "Risk
     Factors -- TI Litigation; Intellectual Property Matters."

(9)  Includes capitalized interest;  excludes additions to  property, plant  and
     equipment financed by capital leases.

(10) The  ratio of earnings to fixed charges is computed by dividing (x) the sum
     of income  before  provision  for  income taxes  and  fixed  charges,  less
     capitalized  interest,  by  (y)  fixed charges.  Fixed  charges  consist of
     interest on all indebtedness, amortization of debt expense and discount  or
     premium  relating to indebtedness, and  the estimated interest component of
     rental expense.

(11) As a result of the loss incurred  for the years 1990 and 1992, the  Company
     was unable to fully cover fixed charges. The amount of such deficiencies in
     1990 and 1992 were $1.3 million and $18.9 million, respectively.

(12) Pro forma as adjusted ratios assume (i) the redemption or conversion of the
     Debentures after June 30, 1995 as if such redemption or conversion had been
     consummated  as of the first day of each fiscal period and (ii) the sale of
     the Notes  offered  hereby  and  receipt  of  the  estimated  net  proceeds
     (assuming  no exercise  of the  Underwriters' over-allotment  option) as if
     such actions  had been  consummated as  of  the first  day of  each  fiscal
     period.
</TABLE>

                                       16
<PAGE>
                                    BUSINESS

    VLSI  is a  leader in  the design,  manufacture and  sale of  highly complex
application specific integrated circuits ("ASICs") -- custom chips designed  for
an  individual customer -- and  application specific standard products ("ASSPs")
-- semi-custom chips designed  for a particular market  application that may  be
used  by several different customers. The Company targets high-volume markets in
which it has built significant expertise and can use its library of  proprietary
cells  and highly  integrated building blocks  to assist  customers in designing
products in and bringing them to  market rapidly. VLSI's target markets  include
the  computing,  communications  and consumer  and  entertainment  markets. VLSI
emphasizes  high  performance  applications  where  its  products  are  critical
elements  of complex electronic systems. VLSI  targets key OEM customers who are
leaders in their  respective industries. The  Company's major customers  include
Compaq, Apple, Ericsson, Hewlett-Packard, Silicon Graphics, Tellabs and Alcatel.

    VLSI  produces a significant portion of its wafers (approximately 79% in the
first  half  of  1995)  at  its   own  facilities  and  augments  its   internal
manufacturing   capacity  with   the  foundry  services   of  third-party  wafer
subcontractors. The  Company  believes  that  this  strategy  improves  quality,
cost-effectiveness,  responsiveness to customers, access to capacity, ability to
implement leading edge  process technology and  time to market,  as compared  to
semiconductor  companies  that  lack fabrication  facilities.  The semiconductor
industry  is,   however,  currently   facing  capacity   constraints  in   wafer
manufacturing and the availability of third-party wafer foundries has diminished
significantly. Due to this manufacturing capacity shortage, as well as increased
customer  demand,  the  Company  is  seeking  to  accelerate  the  expansion and
upgrading of its internal and external manufacturing capacity. The Company is in
the process  of completing  the build-out  of its  fabrication facility  in  San
Antonio,  Texas in  order to increase  its internal  manufacturing capacity. The
Company has  taken  steps to  secure  deliveries of  long  lead-time  equipment,
including  steppers,  necessary  to  support  approximately  a  50%  increase in
internal wafer starts, from the fourth quarter of 1995 to the fourth quarter  of
1996.

    Through  its subsidiary,  COMPASS Design Automation,  Inc. ("COMPASS"), VLSI
offers an  integrated suite  of electronic  design automation  ("EDA")  software
tools,  foundry-flexible libraries and  support services for  use by systems and
circuit designers at other  semiconductor and systems companies,  as well as  at
the Company, in creating complex integrated circuits.

BUSINESS STRATEGY

    VLSI's  objective is  to design  and manufacture  highly-integrated, complex
semiconductor devices that allow  its customers to develop  and bring to  market
higher value-added systems and products. Key elements in its strategy to achieve
this objective include:

    - TARGET  HIGH-VOLUME MARKETS. VLSI targets  high-volume markets in which it
      has built significant expertise and can utilize its library of proprietary
      cells and  high-level building  blocks to  assist customers  in  designing
      products  and in bringing them to  market rapidly. VLSI believes that this
      allows the Company  to offer more  value to the  customer at higher  gross
      margins for the Company.

    - FOCUS   ON  LARGE,  INDUSTRY-LEADING  OEM   CUSTOMERS.  VLSI  focuses  its
      manufacturing and research and development  resources on products for  OEM
      customers  that  are leaders  in their  respective industries.  During the
      first half of 1995, approximately two-thirds of the Company's net revenues
      were derived from sales to its top 20 customers, including Compaq,  Apple,
      Ericsson, Hewlett-Packard, Silicon Graphics, Tellabs and Alcatel.

    - EMPHASIZE  STANDARD CELL  ASICS AND  ASSPS. VLSI  emphasizes standard cell
      ASICs and ASSPs rather  than gate arrays  and other design  methodologies.
      The  Company  believes  that  the standard  cell  approach  is  a superior
      methodology for  satisfying the  size, performance  and power  consumption
      requirements  of  the  highly  complex products  that  form  VLSI's target
      markets.

    - LEVERAGE LIBRARY OF STANDARD  CELLS TO REDUCE  CUSTOMERS' TIME TO  MARKET.
      VLSI's Functional System Block ("FSB") library, an expanding collection of
      pre-designed  cells  and high-level  building blocks,  provides frequently
      used  integrated   circuit  functions.   The  FSB   library  allows   VLSI

                                       17
<PAGE>
      and  its customers to more rapidly  design and integrate products, thereby
      reducing VLSI's customers' time to market. VLSI's library of FSBs includes
      Graphics Controllers (LCD and CRT), a DES Encryption FSB, a PCI FSB,  SCSI
      Controllers, an ARM RISC-based microprocessor (low power, high performance
      embedded   control  applications),  and  a   variety  of  FSBs  for  power
      management, communications for standards such as DECT, GSM and PHS, signal
      conversion, forward  error  correction, digital  demodulation,  MPEG2  and
      digital signal processing.

    - PROVIDE  ENGINEERING DESIGN  SUPPORT. The  Company seeks  to differentiate
      itself from its competitors not only through the quality of its  products,
      but  also through the level of its technological support and service. VLSI
      operates a network  of geographically dispersed  Technology Centers  where
      experienced  engineers with a specific technical focus work with customers
      to develop designs for new  products and to provide continuing  after-sale
      customer support. In 1993, VLSI established a Customer Excellence program,
      which  is designed to foster relationships  with customers through the use
      of teams focused on elements such as customer satisfaction,  manufacturing
      competence and technical excellence.

    - EMPLOY  BOTH INTERNAL AND EXTERNAL MANUFACTURING CAPACITY. VLSI produces a
      significant portion of its wafers (approximately 79% in the first half  of
      1995)  at its own facilities  and augments internal manufacturing capacity
      with the foundry services of third-party wafer subcontractors. The Company
      believes  that   this  strategy   improves  quality,   cost-effectiveness,
      responsiveness  to  customers, access  to  capacity, ability  to implement
      leading edge  process  technology  and  time to  market,  as  compared  to
      semiconductor    companies   that   lack   fabrication   facilities.   The
      semiconductor industry is, however, currently facing capacity  constraints
      in wafer manufacturing and the availability of third-party wafer foundries
      has diminished significantly. Due to this manufacturing capacity shortage,
      as well as increased customer demand, the Company is seeking to accelerate
      the  expansion and  upgrading of  its internal  and external manufacturing
      capacity. The Company is in the process of completing the build-out of its
      fabrication facility  in  San Antonio,  Texas  in order  to  increase  its
      internal  manufacturing capacity.  The Company  has taken  steps to secure
      deliveries of long lead-time  equipment, including steppers, necessary  to
      support  approximately a 50%  increase in internal  wafer starts, from the
      fourth quarter of 1995 to the fourth quarter of 1996.

                                       18
<PAGE>
PRODUCTS AND MARKETS

    VLSI shipped  over 2,000  different products  in 1994.  The following  table
illustrates certain current VLSI products, their applications and customers, all
as selected by the Company in its discretion.

                      SELECTED VLSI PRODUCTS AND CUSTOMERS

<TABLE>
<CAPTION>
         TARGET MARKET                       SELECTED PRODUCTS AND DESCRIPTION              SELECTED CUSTOMER(S)
<S>                              <C>                                                        <C>
COMPUTING
ASICs and ASSPs for personal     Core logic chip sets for Pentium personal computers        AT&T, Compaq, NEC,
  computers, workstations and                                                               Hewlett-Packard,
  mass storage application                                                                  Packard Bell
                                 Core logic and multimedia ASICs for various Macintosh      Apple and Apple
                                   Power PC systems                                         licensees
                                 Core logic chip set for NexGen microprocessor              NexGen
                                 ASICs for Onyx high-end 3D Graphics and high volume        Silicon Graphics
                                   entry-level workstations
COMMUNICATIONS
ASICs and ASSPs for wireless     ASICs for Titan digital access cross connect system        Tellabs
  communication and network and    ASICs and ASSPs for ATM and hub/router based solutions   Cisco, Newbridge, UB
  voice application                                                                         Networks
                                 Handset and basestation chips for Japanese Personal Handy  Kyocera/Motorola
                                   System (PHS).
                                                                                            Ericsson
                                 Signal processing and call control chips for GSM phones
                                 ASICs for digital subscriber loop and central office       Alcatel, DSC
                                   application
CONSUMER & ENTERTAINMENT
ASICs and ASSPs for digital      Forward error correction chip and QPSK demodulator for     Hughes, Matsushita,
  satellite and cable set top      satellite set top box                                    NEC, Pioneer, Sagem,
  box, arcade and video game                                                                Sony, Thomson
  application
                                 High performance encryption engine chip                    AT&T
EDA
Electronic design automation of  Top-down design tools, which include ASIC Synthesizer-TM-  National
  complex ASICs, ICs and ASSPs     and Datapath Compiler-TM-                                Semiconductor,
                                                                                            Oak Technology,
                                                                                            Silicon Graphics
                                 Physical design tools, which include a floorplanning       Rockwell,
                                   tool, ChipPlanner-TM- and a place and route tool, Path   Tellabs, Thomson
                                   Finder-TM-
                                 Sub-micron physical library products                       Chips and
                                                                                            Technologies,
                                                                                            Hitachi, NEC, TI
</TABLE>

LITIGATION

    In  July 1990, Texas  Instruments filed two actions  against the Company and
four other defendants, Analog Devices, Inc., Integrated Device Technology,  Inc.
("IDT"),  LSI  Logic  Corporation  and  Cypress  Semiconductor  Corporation (the
Company and  such other  defendants  are collectively  referred  to as  the  "TI
Defendants"). IDT settled its cases with TI in late December 1992.

    In  the action filed before the United States International Trade Commission
("ITC"), TI sought to exclude from importation into the U.S. all TI  Defendants'
products  manufactured  outside  the  U.S.  that  allegedly  utilize  a  plastic
encapsulation process described in U.S. Patent No. 4,043,027 (the "027 patent").
On October 15, 1991, the Administrative  Law Judge ("ALJ") found the 027  patent
to  be valid  and infringed  by the  Company's old  plastic encapsulation gating
process. However, a new plastic encapsulation gating process developed and  used
by the TI Defendants was found not to infringe the 027 patent. In December 1991,
the  full ITC determined that it would  not consider TI's appeal to overturn the
ALJ's decision on noninfringement of the new process. The United States Court of
Appeals for the Federal Circuit affirmed the ITC decision in March 1993. The 027
patent has since expired.

    TI also filed a patent infringement action against the TI Defendants in  the
United  States  District Court  for the  Northern District  of Texas  seeking an
injunction  against  the   sale  and/or   manufacture  by   the  TI   Defendants

                                       19
<PAGE>
of  products  that allegedly  infringe the  027 patent.  The action  also sought
damages for alleged  past infringement of  the 027 patent  and now expired  U.S.
Patent  No. 43,716,764. A  trial for this  matter was held  in April 1995, which
resulted in  a May  1995 verdict  against VLSI  for $19.4  million. The  Company
intends  to  contest the  verdict.  However, the  Company  recorded a  charge to
earnings of $19.4 million  in the second  quarter of 1995.  Based on the  jury's
finding that the alleged infringement was intentional, TI has requested that the
judge  award enhanced damages, pre-judgment interest and attorneys' fees. In the
event that enhanced damages (which by statute may be as high as treble damages),
pre-judgment interest and/or  attorneys' fees  are awarded,  the judgment  could
result  in a material reduction  in liquidity, as well  as an additional adverse
impact on the Company's reported results of operations.

                                       20
<PAGE>
                              DESCRIPTION OF NOTES

    The  Notes will be issued under an indenture to be dated as of September   ,
1995 (the "Indenture") between the Company and Harris Trust and Savings Bank, as
trustee (the "Trustee"), a  copy of which  has been filed as  an exhibit to  the
Registration  Statement of which this Prospectus forms  a part. The terms of the
Notes will include those stated  in the Indenture and those  made a part of  the
Indenture  by reference  to the  Trust Indenture  Act of  1939, as  amended (the
"TIA"), as in effect on the date of the Indenture. The Notes will be subject  to
all  such terms, and holders of the Notes  are referred to the Indenture and the
TIA for a statement of such terms. The following is a summary of important terms
of the Notes and does  not purport to be complete.  Reference should be made  to
all  provisions of the  Indenture, including the  definitions therein of certain
terms and  all terms  made a  part of  the Indenture  by reference  to the  TIA.
Certain  definitions of terms used in the  following summary are set forth under
"--Certain Definitions" below. As used in this section, the "Company" means VLSI
Technology, Inc., but not any of  its Subsidiaries, unless the context  requires
otherwise.

GENERAL

    The Notes will be general unsecured subordinated obligations of the Company,
will  mature on October 1, 2005 (the "Maturity Date"), and will be limited to an
aggregate principal amount  of $150,000,000 ($172,500,000  if the  Underwriters'
over-allotment  option is exercised). The Notes  will be issued in denominations
of $1,000 and integral multiples of  $1,000 in fully registered form. The  Notes
are  exchangeable  and  transfers  thereof will  be  registrable  without charge
therefor, but the Company may require payment  of a sum sufficient to cover  any
tax or other governmental charge in connection therewith.

    The Notes will accrue interest at a rate of   % per annum from September   ,
1995,  or from the most recent interest  payment date to which interest has been
paid or  duly provided  for, and  accrued and  unpaid interest  will be  payable
semi-annually  in arrears on April 1 and  October 1 of each year beginning April
1, 1996.  Interest  will be  paid  to  the person  in  whose name  the  Note  is
registered  at the close of business on the March 15 or September 15 immediately
preceding the relevant interest payment date (other than with respect to a  Note
or portion thereof called for redemption on a redemption date, or repurchased in
connection  with a Designated Event on a repurchase date, during the period from
a record date to (but excluding)  the next succeeding interest payment date  (in
which  case  accrued interest  shall  be payable  (unless  such Note  of portion
thereof is converted) to the holder of  the Note or portion thereof redeemed  or
repurchased). Interest will be computed on the basis of a 360-day year comprised
of twelve 30-day months.

    Principal  of, premium, if any, and interest on the Notes will be payable at
the office or  agency of  the Company  maintained for  such purpose  or, at  the
option  of the Company, payment  of interest may be made  by check mailed to the
holders of the Notes at their respective addresses set forth in the register  of
holders  of  Notes. Until  otherwise designated  by  the Company,  the Company's
office or agency  maintained for such  purpose will be  the principal  corporate
trust office of the Trustee.

CONVERSION

    The  holders of Notes will  be entitled at any  time after 60 days following
the original issuance thereof through the close of business on the last  trading
day  prior to  the Maturity Date  of the  Notes, subject to  prior redemption or
repurchase, to convert any Notes or portions thereof (in denominations of $1,000
or multiples thereof) into Common Stock of the Company, at the conversion  price
of  $   per share of Common Stock, subject to adjustment as described below (the
"Conversion Price"). Except as  described below, no adjustment  will be made  on
conversion  of any Notes  for interest accrued  thereon or for  dividends on any
Common Stock issued. If  Notes not called for  redemption are converted after  a
record  date  for the  payment  of interest  and  prior to  the  next succeeding
interest payment date,  such Notes  must be accompanied  by funds  equal to  the
interest  payable  on such  succeeding interest  payment  date on  the principal
amount so converted. The Company is  not required to issue fractional shares  of
Common  Stock upon  conversion of Notes  and, in  lieu thereof, will  pay a cash
adjustment based upon the market

                                       21
<PAGE>
price of  the  Common Stock  on  the  last trading  day  prior to  the  date  of
conversion.  In the case of Notes  called for redemption, conversion rights will
expire at the close of business on the trading day preceding the date fixed  for
redemption,  unless the Company defaults in  payment of the redemption price, in
which case the conversion right will terminate  at the close of business on  the
date  such default is  cured. In the  event any holder  exercises its repurchase
right upon a  Designated Event,  such holder's conversion  right will  terminate
upon  submission of written notice of exercise of such repurchase right together
with the Notes as to which such  right is being exercised. See "--Repurchase  at
Option of Holders Upon a Designated Event."

    The right of conversion attaching to any Note may be exercised by the holder
by  delivering  the  Note  at  the  specified  office  of  a  conversion  agent,
accompanied by a duly signed and  completed notice of conversion, together  with
any  funds that  may be  required as described  in the  preceding paragraph. The
conversion date  shall be  the  date on  which the  Note,  the duly  signed  and
completed  notice of conversion, and any funds that may be required as described
in the preceding paragraph shall have  been so delivered. A holder delivering  a
Note  for conversion will not be required to  pay any taxes or duties payable in
respect of the  issue or delivery  of Common  Stock on conversion,  but will  be
required  to pay any tax or duty which may be payable in respect of any transfer
involved in the issue or delivery of the  Common Stock in a name other than  the
holder of the Note. Certificates representing shares of Common Stock will not be
issued  or delivered unless all taxes and  duties, if any, payable by the holder
have been paid.

    The Conversion Price is subject to  adjustment (under formulae set forth  in
the Indenture) in certain events, including: (i) the issuance of Common Stock as
a  dividend  or  distribution  on  Common Stock  of  the  Company;  (ii) certain
subdivisions and combinations  of the Common  Stock; (iii) the  issuance to  all
holders  of Common Stock of certain rights or warrants to purchase Common Stock;
(iv) the dividend or other distribution to all holders of Common Stock of shares
of Capital  Stock of  the Company  (other  than Common  Stock) or  evidences  of
indebtedness of the Company of assets (including securities, but excluding those
rights,  warrants, dividends and  distributions referred to  above and dividends
and distributions in connection with the liquidation, dissolution or winding  up
of   the  Company  or  paid  exclusively   in  cash);  (v)  dividends  or  other
distributions consisting  exclusively of  cash (excluding  any cash  portion  of
distributions  referred to in clause (iv)) to all holders of Common Stock to the
extent  such  distributions,  combined  together  with  (A)  all  such  all-cash
distributions  made  within  the preceding  12  months  in respect  of  which no
adjustment has been made plus  (B) any cash and the  fair market value of  other
consideration  payable in respect of any tender  offers by the Company or any of
its Subsidiaries for Common  Stock concluded within the  preceding 12 months  in
respect  of which  no adjustment  has been  made, exceeds  15% of  the Company's
market capitalization (being the product of the then current market price of the
Common Stock times the number of shares of Common Stock then outstanding) on the
record date  for  such distribution;  and  (vi)  the purchase  of  Common  Stock
pursuant to a tender offer made by the Company or any of its subsidiaries to the
extent that the aggregate consideration, together with (X) any cash and the fair
market  value  of any  other  consideration payable  in  any other  tender offer
expiring within 12  months preceding such  tender offer in  respect of which  no
adjustment  has been  made plus  (Y) the aggregate  amount of  any such all-cash
distributions referred to  in clause (v)  above to all  holders of Common  Stock
within the 12 months preceding the expiration of such tender offer in respect of
which  no  adjustments  have been  made,  exceeds  15% of  the  Company's market
capitalization on the expiration of such tender offer.

    The Indenture will provide that, in  the event of the occurrence of  certain
events affecting the rights (the "Rights") distributed pursuant to the Company's
First  Amended and  Restated Stockholder  Rights Plan,  as amended  (the "Rights
Plan"), appropriate adjustments to the Conversion Price will be made. In lieu of
any such adjustment, the Company may amend the Rights Plan to provide that  upon
conversion  of the  Notes the  holder thereof will  receive, in  addition to the
Common Stock issuable upon  such conversion, the Rights  which attached to  such
shares  of Common Stock or would have attached  to such shares if the Rights had
not become separated  from the Common  Stock pursuant to  the provisions of  the
Rights  Plan. In the  case of (i)  any reclassification or  change of the Common
Stock or (ii) a consolidation,

                                       22
<PAGE>
merger or combination involving the Company  or a sale or conveyance to  another
corporation  of  the  property and  assets  of  the Company  as  an  entirety or
substantially as an  entirety, in  each case  as a  result of  which holders  of
Common  Stock  shall  be  entitled to  receive  stock,  other  securities, other
property or assets  (including cash)  with respect to  or in  exchange for  such
Common  Stock,  the  holders of  the  Notes  then outstanding  will  be entitled
thereafter to convert such Notes  into the kind and  amount of shares of  stock,
other  securities or other  property or assets,  which they would  have owned or
been entitled  to receive  upon  such reclassification,  change,  consolidation,
merger,  combination,  sale or  conveyance had  such  Notes been  converted into
Common Stock immediately prior to such reclassification, change,  consolidation,
merger,  combination,  sale or  conveyance  (assuming, in  a  case in  which the
Company's stockholders may exercise rights of  election, that a holder of  Notes
would  not  have  exercised  any  rights of  election  as  to  the  stock, other
securities or other property  or assets receivable  in connection therewith  and
received  per share  the kind and  amount received  per share by  a plurality of
non-electing shares). Certain  of the  foregoing events may  also constitute  or
result  in a Designated Event  requiring the Company to  offer to repurchase the
Notes. See "-- Repurchase at Option of Holders Upon a Designated Event."

    In the event of a taxable distribution to holders of Common Stock (or  other
transaction)  which  results  in any  adjustment  of the  Conversion  Price, the
holders of Notes  may, in certain  circumstances, be deemed  to have received  a
distribution subject to United States income tax as a dividend; in certain other
circumstances,  the  absence  of such  an  adjustment  may result  in  a taxable
dividend to  the  holders of  Common  Stock.  See "Certain  Federal  Income  Tax
Considerations."

    The  Company from time to  time may, to the  extent permitted by law, reduce
the Conversion Price of the  Notes by any amount for  any period of at least  20
days,  in which  case the Company  shall give at  least 15 days'  notice of such
decrease, if the Board of Directors has made a determination that such  decrease
would  be in  the best  interests of the  Company, which  determination shall be
conclusive. The  Company  may,  at  its option,  make  such  reductions  in  the
Conversion  Price,  in  addition to  those  set  forth above,  as  the  Board of
Directors deems advisable  to avoid  or diminish any  income tax  to holders  of
Common  Stock resulting from any dividend or distribution of stock (or rights to
acquire stock) or from any  event treated as such  for income tax purposes.  See
"Certain Federal Income Tax Considerations."

    No  adjustment  in  the  Conversion  Price  will  be  required  unless  such
adjustment would require a change of at least 1% of the Conversion Price then in
effect; provided that any adjustment that would otherwise be required to be made
shall be carried forward  and taken into account  in any subsequent  adjustment.
Except  as  stated above,  the Conversion  Price  will not  be adjusted  for the
issuance of Common Stock or any securities convertible into or exchangeable  for
Common Stock or carrying the right to purchase any of the foregoing.

SUBORDINATION

    The payment of principal of, premium, if any, and interest on the Notes will
be subordinated in right of payment, as set forth in the Indenture, to the prior
payment  in full  of all  Senior Debt,  whether outstanding  on the  date of the
Indenture or  thereafter incurred.  Upon any  distribution to  creditors of  the
Company  in a  liquidation or  dissolution of  the Company  or in  a bankruptcy,
reorganization, insolvency, receivership or  similar proceeding relating to  the
Company  or its  property, an  assignment for  the benefit  of creditors  or any
marshalling of the Company's assets and liabilities, the holders of Senior  Debt
will  be entitled to  receive payment in  full of all  obligations in respect of
such Senior Debt before  the holders of  Notes will be  entitled to receive  any
payment with respect to the Notes.

    In  the event of  any acceleration of  the Notes, the  holders of any Senior
Debt then outstanding would be entitled to payment in full of all obligations in
respect of such  Senior Debt before  the holders  of the Notes  are entitled  to
receive  any  payment or  distribution in  respect  thereof. The  Indenture will
further require  that the  Company promptly  notify holders  of Senior  Debt  if
payment of the Notes is accelerated because of an Event of Default.

                                       23
<PAGE>
    The Company also may not make any payment upon or in respect of the Notes If
(i)  a default in  the payment of  the principal of,  premium, if any, interest,
rent or other  obligations in respect  of Senior Debt  occurs and is  continuing
beyond  any applicable period of  grace or (ii) any  other default occurs and is
continuing with respect to  Designated Senior Debt that  permits holders of  the
Designated  Senior  Debt as  to  which such  default  relates to  accelerate its
maturity and the Trustee receives a notice of such default (a "Payment  Blockage
Notice")  from the Company or  other person permitted to  give such notice under
the Indenture. Payments on the Notes may and shall be resumed (a) in the case of
a payment default, upon the  date on which such default  is cured or waived  and
(b)  in case  of a  nonpayment default, the  earlier of  the date  on which such
nonpayment default is cured or  waived or 179 days after  the date on which  the
applicable  Payment  Blockage  Notice  is received.  No  new  period  of payment
blockage may be commenced unless and until  (i) 365 days have elapsed since  the
effectiveness  of the  immediately prior  Payment Blockage  Notice and  (ii) all
scheduled payments of principal, premium, if any, and interest on the Notes that
have come due have been paid in full in cash. No nonpayment default that existed
or was continuing on the date of delivery of any Payment Blockage Notice to  the
Trustee  shall  be, or  be made,  the  basis for  a subsequent  Payment Blockage
Notice.

    By reason of the subordination provisions  described above, in the event  of
the  Company's liquidation  or insolvency,  holders of  Senior Debt  may receive
more, ratably, and  holders of  the Notes may  receive less,  ratably, than  the
other  creditors  of  the  Company.  Such  subordination  will  not  prevent the
occurrences of any Event of Default under the Indenture.

    The Notes are obligations exclusively  of the Company. Since the  operations
of  the Company are partially conducted  through Subsidiaries, the cash flow and
the consequent ability to service debt, including the Notes, of the Company, are
partially dependent upon the earnings  of its Subsidiaries and the  distribution
of  those  earnings  to, or  upon  loans or  other  payments of  funds  by those
Subsidiaries to, the Company. The payment  of dividends and the making of  loans
and  advances to the Company by its  Subsidiaries may be subject to statutory or
contractual restrictions, are dependent upon the earnings of those  Subsidiaries
and are subject to various business considerations.

    Any  right of the Company to receive  assets of any of its Subsidiaries upon
their liquidation or reorganization (and the consequent right of the holders  of
the  Notes to participate  in those assets) will  be effectively subordinated to
the claims of that Subsidiary's creditors (including trade creditors), except to
the extent  that  the  Company  is  itself recognized  as  a  creditor  of  such
Subsidiary,  in which case the claims of  the Company would still be subordinate
to any security interests in the assets of such Subsidiary and any  indebtedness
of such Subsidiary senior to that held by the Company.

    As  of  June  30,  1995,  the Company  had  approximately  $64.2  million of
indebtedness outstanding  that would  have  constituted Senior  Debt  (excluding
accrued interest and Senior Debt constituting liabilities of a type not required
to be reflected as a liability on the balance sheet of the Company in accordance
with  GAAP and  not including the  Debentures, which were  converted or redeemed
subsequent to June 30, 1995).  As of June 30,  1995, there was also  outstanding
approximately   $33.9  million   of  indebtedness   and  other   obligations  of
Subsidiaries of the Company (excluding intercompany liabilities and  liabilities
of  a type not required to  be reflected as a liability  on the balance sheet of
such subsidiaries in accordance with GAAP) as to which the Notes would have been
structurally subordinated. The Indenture will not limit the amount of additional
indebtedness, including Senior Debt, which the Company can create, incur, assume
or guarantee, nor will the Indenture limit the amount of indebtedness and  other
liabilities which any Subsidiary can create, incur, assume or guarantee.

    In  the event that, notwithstanding the foregoing, the Trustee or any holder
of Notes receives any payment  or distribution of assets  of the Company of  any
kind  in contravention of  any of the  terms of the  Indenture, whether in cash,
property or  securities, including,  without  limitation by  way of  set-off  or
otherwise,  in respect of the Notes before all Senior Debt is paid in full, then
such payment or  distribution will be  held by  the recipient in  trust for  the
benefit   of   holders   of  Senior   Debt,   and  will   be   immediately  paid

                                       24
<PAGE>
over or  delivered to  the holders  of Senior  Debt or  their representative  or
representatives  to the extent necessary  to make payment in  full of all Senior
Debt remaining  unpaid,  after  giving  effect  to  any  concurrent  payment  or
distribution, or provision therefor, to or for the holders of Senior Debt.

OPTIONAL REDEMPTION

    The  Notes may be  redeemed at the option  of the Company,  in whole or from
time to time in part, on and after October 3, 1997, on not less than 15 nor more
than 60 days' prior written notice to  the holders thereof by first class  mail,
at  the  following  redemption  prices (expressed  as  percentages  of principal
amount) if redeemed during the 12-month period beginning October 1 of each  year
indicated,  plus accrued and  unpaid interest to the  date fixed for redemption;
provided, however, that the Company may not redeem the Notes prior to October 3,
1999 unless  the  closing price  of  the Common  Stock  on the  principal  stock
exchange  or market  on which  the Common  Stock is  then quoted  or admitted to
trading equals or exceeds 125% of the  Conversion Price for at least 20  trading
days  within a period of 30 consecutive trading days ending on the fifth trading
day prior to the date the notice of redemption is first mailed to the holders of
the Notes:

<TABLE>
<CAPTION>
                                                                         REDEMPTION
YEAR                                                                        PRICE
----------------------------------------------------------------------  -------------
<S>                                                                     <C>
1997..................................................................             %
1998..................................................................             %
1999..................................................................             %
2000..................................................................             %
2001..................................................................             %
2002..................................................................             %
2003..................................................................             %
2004..................................................................             %
2005..................................................................          100%
</TABLE>

    If less than all the Notes are to be redeemed, the Trustee will select Notes
for redemption  pro rata  or by  lot or  by any  other method  that the  Trustee
considers  fair and appropriate. The Trustee may select for redemption a portion
of the principal of any Note that  has a denomination larger than $1,000.  Notes
and  portions  thereof will  be redeemed  in  the amount  of $1,000  or integral
multiples of $1,000. The Trustee will make the selection from Notes  outstanding
and not previously called for redemption.

    Provisions  of the Indenture  that apply to the  Notes called for redemption
also apply to portions of the Notes called for redemption. If any Note is to  be
redeemed  in  part, the  notice  of redemption  will  state the  portion  of the
principal amount to be redeemed.  Upon surrender of a  Note that is redeemed  in
part  only,  the Company  will  execute and  the  Trustee will  authenticate and
deliver to the holder  a new Note  equal in principal  amount to the  unredeemed
portion of the Note surrendered.

    On  and after the redemption  date, unless the Company  shall default in the
payment of the redemption price, interest will cease to accrue on the  principal
amount  of the  Notes or  portions thereof called  for redemption  and for which
funds have been set apart for payment. In the case of Notes or portions  thereof
redeemed  on  a redemption  date which  is also  a regularly  scheduled interest
payment date, the interest payment due on such date shall be paid to the  person
in  whose name the Note  is registered at the close  of business on the relevant
record date.

REPURCHASE AT OPTION OF HOLDERS UPON A DESIGNATED EVENT

    Upon the occurrence of a Designated Event (as defined), each holder of Notes
will have the right to require the Company to repurchase all or any part  (equal
to  $1,000 or an integral  multiple thereof) of such  holder's Notes pursuant to
the offer described below  (the "Designated Event Offer")  at an offer price  in
cash  equal to 101% of  the aggregate principal amount  thereof plus accrued and
unpaid  interest  thereon  to  the  date  of  purchase  (the  "Designated  Event
Payment").  Within 20 days following any Designated Event, the Company will mail
a notice  to  each  holder  describing  the  transaction  or  transactions  that
constitute the Designated Event and offering to repurchase Notes pursuant to the
procedures required by the Indenture and described in such notice.

                                       25
<PAGE>
    The  Company  will comply  with  the requirements  of  Rule 14e-1  under the
Exchange Act and  any other securities  laws and regulations  thereunder to  the
extent  such  laws  and  regulations  are  applicable  in  connection  with  the
repurchase of the Notes as a result of a Designated Event.

    On the  date specified  for payment  of the  Designated Event  Payment  (the
"Designated  Event Payment Date"),  the Company will, to  the extent lawful, (1)
accept for payment all Notes or  portions thereof properly tendered pursuant  to
the Designated Event Offer, (2) deposit with the paying agent an amount equal to
the  Designated Event  Payment in  respect of all  Notes or  portions thereof so
tendered and (3) deliver or  cause to be delivered to  the Trustee the Notes  so
accepted  together with an Officers' Certificate stating the aggregate principal
amount of Notes or portions thereof  being purchased by the Company. The  paying
agent  will promptly  mail to  each holder of  Notes so  accepted the Designated
Event Payment for  such Notes, and  the Trustee will  promptly authenticate  and
mail  (or cause to be transferred by book entry) to each holder a new Note equal
in principal amount to any unpurchased portion of the Notes surrendered, if any;
PROVIDED that each such new Note will be  in a principal amount of $1,000 or  an
integral multiple thereof.

    The  repurchase feature of the Notes  may in certain circumstances make more
difficult or discourage a takeover of  the Company and the removal of  incumbent
management. The foregoing provisions would not necessarily afford holders of the
Notes  protection  in  the  event  of  highly  leveraged  or  other transactions
involving the Company that may adversely affect holders.

    Except as described above with respect to a Designated Event, the  Indenture
does not contain provisions that permit the holders of the Notes to require that
the  Company  repurchase  or  redeem  the Notes  in  the  event  of  a takeover,
recapitalization or similar restructuring. Subject to the limitation on  mergers
and   consolidations  described  below,  the  Company,  its  management  or  its
Subsidiaries could in  the future,  enter into  certain transactions,  including
refinancings,  certain  recapitalizations,  acquisitions,  the  sale  of  all or
substantially all  of its  assets, the  liquidation of  the Company  or  similar
transactions,  that would not constitute a Designated Event under the Indenture,
but that would increase  the amount of Senior  Debt (or any other  indebtedness)
outstanding  at such  time or  substantially reduce  or eliminate  the Company's
assets. There are  no restrictions in  the Indenture on  the creation of  Senior
Debt   (or  any  other  indebtedness)  and,  under  certain  circumstances,  the
incurrence of  significant  amounts of  additional  indebtedness could  have  an
adverse  effect on the Company's ability  to service its indebtedness, including
the Notes.

    The Credit Agreement  currently prohibits  the Company  from purchasing  any
Notes  and also provides that  certain change of control  events with respect to
the Company would constitute a default thereunder. Any future credit  agreements
or other agreements relating to Senior Debt to which the Company becomes a party
may  contain similar  restrictions and provisions  as well  as certain financial
covenants. In the event a Designated Event occurs at a time when the Company  is
prohibited  from purchasing  Notes, the  Company could  seek the  consent of its
lenders to the purchase  of Notes or could  attempt to refinance the  borrowings
that  contain such prohibition. If the Company does not obtain such a consent or
repay such borrowings, the Company will remain prohibited from purchasing Notes.
In such case, the Company's failure to purchase tendered Notes would  constitute
an  Event of  Default under  the Indenture which  would, in  turn, constitute as
default under the  Credit Agreement.  In such  circumstances, the  subordination
provisions  in the  Indenture would likely  restrict payments to  the holders of
Notes.

    A "Designated  Event" will  be deemed  to  have occurred  upon a  Change  of
Control or a Termination of Trading.

    A "Change of Control" will be deemed to have occurred when: (i) any "person"
or  "group" (as such terms are used in  Sections 13(d) and 14(d) of the Exchange
Act) is or becomes the "beneficial owner"  (as defined in Rules 13d-3 and  13d-5
under  the Exchange Act)  of shares representing  more than 50%  of the combined
voting power of the  then outstanding securities entitled  to vote generally  in
elections  of  directors  of  the Company  ("Voting  Stock"),  (ii)  the Company
consolidates with or merges into  any other corporation, or conveys,  transfers,
or  leases all or  substantially all of its  assets to any  person, or any other
corporation merges into the Company, and,  in the case of any such  transaction,
the outstanding Common

                                       26
<PAGE>
Stock  of  the  Company  is  changed  or  exchanged  as  a  result,  unless  the
stockholders of the Company immediately before such transaction own, directly or
indirectly immediately following such  transaction, at least  a majority of  the
combined  voting power of  the outstanding voting  securities of the corporation
resulting from such transaction  in substantially the  same proportion as  their
ownership  of the Voting Stock immediately before such transaction, or (iii) any
time the  Continuing Directors  do not  constitute a  majority of  the Board  of
Directors  of the  Company (or,  if applicable,  a successor  corporation to the
Company); PROVIDED that a Change of Control shall not be deemed to have occurred
if either (x) the last sale price of the Common Stock for any five trading  days
during  the ten trading days  immediately preceding the Change  of Control is at
least equal to 105% of the Conversion Price in effect on the date of such Change
of Control or (y) at least 90% of the consideration (excluding cash payments for
fractional shares) in the transaction or transactions constituting the Change of
Control consists of shares of common stock  that are, or upon issuance will  be,
traded  on a United States national  securities exchange or approved for trading
on an  established  automated  over-the-counter trading  market  in  the  United
States.

    "Continuing Directors" means, as of any date of determination, any member of
the  Board of Directors  of the Company  who (i) was  a member of  such Board of
Directors on the date  of the Indenture  or (ii) was  nominated for election  or
elected  to  such Board  of Directors  with the  approval of  a majority  of the
Continuing Directors  who  were  members of  such  Board  at the  time  of  such
nomination or election.

    The  definition  of Change  of Control  includes a  phrase relating  to the,
lease, transfer, conveyance of "all or  substantially all" of the assets of  the
Company. Although there is a developing body of case law interpreting the phrase
"substantially  all," there is  no precise established  definition of the phrase
under applicable law. Accordingly, the ability  of a holder of Notes to  require
the  Company  to repurchase  such  Notes as  a result  of  a lease,  transfer or
conveyance of less than all  of the assets of the  Company to another person  or
group may be uncertain.

    A  "Termination of Trading"  will be deemed  to have occurred  if the Common
Stock (or  other common  stock into  which the  Notes are  then convertible)  is
neither  listed for trading on a  United States national securities exchange nor
approved for trading on an established automated over-the-counter trading market
in the United States.

MERGER AND CONSOLIDATION

    The Indenture will  provide that the  Company may not  consolidate or  merge
with or into (whether or not the Company is the surviving corporation), or sell,
assign, transfer, lease, convey or otherwise dispose of all or substantially all
of  its properties  or assets  in one or  more related  transactions, to another
corporation, person or  entity as an  entirety or substantially  as an  entirety
unless  (a) the Company is the surviving corporation or the entity or the person
formed by  or surviving  any such  consolidation or  merger (if  other than  the
Company) or to which such sale, assignment, transfer, lease, conveyance or other
disposition  shall have been  made is a corporation  organized or existing under
the laws of the United  States, any state thereof  or the District of  Columbia;
(b) the entity or person formed by or surviving any such consolidation or merger
(if  other  than  the Company)  or  the entity  or  person to  which  such sale,
assignment, transfer, lease,  conveyance or  other disposition  shall have  been
made  assumes  all  the obligations  of  the  Company under  the  Notes  and the
Indenture pursuant to a supplemental indenture in a form reasonably satisfactory
to the Trustee; (c)  immediately after such transaction  no Default or Event  of
Default  exists; and (d) the Company or  such person shall have delivered to the
Trustee an officers' certificate  and an opinion of  counsel, each stating  that
such  transaction and the  supplemental indenture comply  with the Indenture and
that all conditions precedent in the Indenture relating to such transaction have
been satisfied.

    For purposes of the foregoing, the  transfer (by lease, assignment, sale  or
otherwise,  in  a  single  transaction  or series  of  transactions)  of  all or
substantially all of the properties or assets of one or more Subsidiaries of the
Company, the capital stock of which constitutes all or substantially all of  the
properties  and assets of the Company, shall be deemed to be the transfer of all
or substantially all of the properties and assets of the Company.

                                       27
<PAGE>
    Upon any such  consolidation, merger, sale,  assignment, conveyance,  lease,
transfer  or other disposition  in accordance with  the foregoing, the successor
person formed by such consolidation  or into which the  Company is merged or  to
which such sale, assignment, conveyance, lease, transfer or other disposition is
made  will succeed to, and be substituted  for, and may exercise every right and
power of,  the Company  under the  Indenture with  the same  effect as  if  such
successor  had been named as the Company  therein, and thereafter (except in the
case of a sale,  assignment, transfer, lease,  conveyance or other  disposition)
the  predecessor corporation  will be  relieved of  all further  obligations and
covenants under the Indenture and the Notes.

EVENTS OF DEFAULT AND REMEDIES

    An Event of  Default is defined  in the  Indenture as being  (i) default  in
payment  of the principal of,  or premium, if any, on  the Notes, whether or not
such payment is  prohibited by  the subordination provisions  of the  Indenture;
(ii) default for 30 days in payment of any installment of interest on the Notes,
whether or not such payment is prohibited by the subordination provisions of the
Indenture;  (iii)  default  by the  Company  for  60 days  after  notice  in the
observance or performance of any other covenants in the Indenture; (iv)  default
in  the payment of  the Designated Event Payment  in respect of  the Note on the
date therefor, whether or  not such payment is  prohibited by the  subordination
provisions  of  the  Indenture;  (v)  failure  to  provide  timely  notice  of a
Designated Event; (vi) failure of the Company or any Material Subsidiary to make
any payment at maturity,  including any applicable grace  period, in respect  of
indebtedness  for borrowed money of, or guaranteed or assumed by, the Company or
any Material Subsidiary which payment is  in an amount in excess of  $25,000,000
and  continuance of such failure for 30  days after notice; (vii) default by the
Company or any Material Subsidiary with respect to any such indebtedness,  which
default  results in the acceleration of such indebtedness in an amount in excess
of  $25,000,000  without  such  indebtedness  having  been  discharged  or  such
acceleration having been cured, waived, rescinded, or annulled for 30 days after
notice;   or  (viii)   certain  events   involving  bankruptcy,   insolvency  or
reorganization of the Company or any Material Subsidiary.

    If an Event of Default (other than  an Event of Default specified in  clause
(viii)  above with respect to the Company) occurs and is continuing, then and in
every such case the Trustee, by written notice to the Company, or the holders of
not less than 25% in aggregate  principal amount of the then outstanding  Notes,
by  written  notice to  the  Company and  the  Trustee, may  declare  the unpaid
principal of, premium, if any, and accrued and unpaid interest on, all the Notes
then outstanding to  be due and  payable. Upon such  declaration such  principal
amount, premium, if any, and accrued and unpaid interest will become immediately
due  and payable,  notwithstanding anything  contained in  the Indenture  or the
Notes to the contrary, but subject to the provisions limiting payment  described
in  "-- Subordination." If any Event of Default specified in clause (viii) above
occurs with respect  to the Company,  all unpaid principal  of, and premium,  if
any,  and  accrued  and unpaid  interest  on,  the Notes  then  outstanding will
automatically become due and payable, subject to the provisions described in "--
Subordination, " without any declaration or other act on the part of the Trustee
or any holder of Notes.

    Holders of the Notes may  not enforce the Indenture  or the Notes except  as
provided  in the Indenture. Subject to  the provisions of the Indenture relating
to the duties of the Trustee, the Trustee is under no obligation to exercise any
of its rights or powers under the  Indenture at the request, order or  direction
of  any  of the  holders, unless  such holders  have offered  to the  Trustee an
indemnity satisfactory to it against any loss, liability or expense. Subject  to
all provisions of the Indenture and applicable law, the holders of a majority in
aggregate  principal  amount of  the then  outstanding Notes  have the  right to
direct the time, method  and place of conducting  any proceeding for any  remedy
available  to the  Trustee or  exercising any  trust or  power conferred  on the
Trustee. If a Default or Event of Default occurs and is continuing and is  known
to  the Trustee, the Indenture requires the  Trustee to mail a notice of Default
or Event of  Default to each  holder within 60  days of the  occurrence of  such
Default  or Event of  Default, PROVIDED, HOWEVER, that  the Trustee may withhold
from the holders notice of any continuing Default or Event of Default (except  a
Default  or Event of Default in the payment  of principal of, premium, if any or
interest on the  Notes) if  it determines that  withholding notice  is in  their
interest.  The holders of a majority in  aggregate principal amount of the Notes
then   outstanding    by   notice    to   the    Trustee   may    rescind    any

                                       28
<PAGE>
acceleration of the Notes and its consequences if all existing Events of Default
(other than the nonpayment of principal of, premium, if any, and interest on the
Notes  which has  become due  solely by virtue  of such  acceleration) have been
cured or waived and if  the rescission would not  conflict with any judgment  or
decree  of any court of competent  jurisdiction. No such rescission shall affect
any subsequent  Default or  Event  of Default  or  impair any  right  consequent
thereto.

    In  the case  of any  Event of  Default occurring  by reason  of any willful
action (or inaction) taken (or  not taken) by or on  behalf of the Company  with
the intention of avoiding payment of the premium that the Company would have had
to  pay if  the Company  then had elected  to redeem  the Notes  pursuant to the
optional redemption provisions  of the  Indenture, an  equivalent premium  shall
also  become and be immediately  due and payable to  the extent permitted by law
upon the acceleration of the Notes. If  an Event of Default occurs prior to  any
date  on which the Company  is prohibited from redeeming  the Notes by reason of
any willful action (or  inaction) taken (or  not taken) by or  on behalf of  the
Company  with the  intention of  avoiding the  prohibition on  redemption of the
Notes prior to such date, then the premium specified in the Indenture shall also
become immediately  due and  payable to  the extent  permitted by  law upon  the
acceleration of the Notes.

    The  holders of a majority  in aggregate principal amount  of the Notes then
outstanding may, on  behalf of  the holders  of all  the Notes,  waive any  past
Default  or Event  of Default under  the Indenture and  its consequences, except
Default in the  payment of principal  of, premium,  if any, or  interest on  the
Notes (other than the non-payment of principal of, premium, if any, and interest
on  the Notes which has become due solely by virtue of an acceleration which has
been duly rescinded as provided above) or in respect of a covenant or  provision
of  the Indenture which cannot be modified or amended without the consent of all
holders of Notes.

    The Company  is required  to deliver  to the  Trustee annually  a  statement
regarding  compliance  with  the  Indenture and  the  Company  is  required upon
becoming aware of any Default or Event  of Default, to deliver to the Trustee  a
statement specifying such Default or Event of Default.

AMENDMENT, SUPPLEMENT AND WAIVER

    Except  as provided in the next  two succeeding paragraphs, the Indenture or
the Notes may be amended or supplemented  with the consent of the holders of  at
least  a majority in  principal amount of the  Notes then outstanding (including
consents obtained  in connection  with  a tender  offer  or exchange  offer  for
Notes),  and  any  existing default  or  compliance  with any  provision  of the
Indenture or  the Notes  may be  waived with  the consent  of the  holders of  a
majority  in principal amount of the  then outstanding Notes (including consents
obtained in connection with a tender offer or exchange offer for Notes).

    Without the consent of each holder affected, an amendment or waiver may  not
(with  respect to  any Notes  held by a  non-consenting holder):  (a) reduce the
principal amount of Notes whose holders must consent to an amendment, supplement
or waiver, (b) reduce the principal of or change the fixed maturity of any  Note
or  alter the provisions with respect to the redemption of the Notes, (c) reduce
the rate of or change the time for payment of interest on any Notes, (d) waive a
Default or Event of Default in the  payment of principal of or premium, if  any,
or  interest on the Notes  (except a rescission of  acceleration of the Notes by
the holders of at least  a majority in aggregate  principal amount of the  Notes
and  a waiver of the payment default  that resulted from such acceleration), (e)
make any Note payable in money other than that stated in the Notes, (f) make any
change in the provisions of the  Indenture relating to waivers of past  Defaults
or  the rights of holders of Notes to receive payments of principal of, premium,
if any, or interest on the Notes, (g) waive a redemption payment with respect to
any Note, (h) make any change  in the foregoing amendment and waiver  provisions
or  (i) except as permitted  by the Indenture, increase  the Conversion Price or
modify the provisions of the Indenture relating to conversion of the Notes in  a
manner  adverse  to  the holders  thereof.  In  addition, any  amendment  to the
provisions of Article 10 of the  Indenture (which relate to subordination)  will
require the consent of the holders of at least 75% in aggregate principal amount
of  the  Notes then  outstanding if  such amendment  would adversely  affect the
rights of holders of Notes.

                                       29
<PAGE>
    Notwithstanding the foregoing, without the  consent of any holder of  Notes,
the  Company and the Trustee may amend  or supplement the Indenture or the Notes
to  (a)  cure  any   ambiguity,  defect  or   inconsistency,  (b)  provide   for
uncertificated  Notes  in addition  to or  in place  of certificated  Notes, (c)
provide for the assumption of the  Company's obligations to holders of Notes  in
the  circumstances required under the Indenture of described under "--Merger and
Consolidation", (d) provide for conversion rights of holders of Notes in certain
events such as a consolidation,  merger or sale of  all or substantially all  of
the  assets of the Company, (e) reduce the Conversion Price, (e) make any change
that would provide any additional rights or benefits to the holders of Notes  or
that  does not adversely affect the legal rights under the Indenture of any such
holder, or (f) comply with requirements of the Commission in order to effect  or
maintain the qualification of the Indenture under the TIA.

SATISFACTION AND DISCHARGE

    The  Company may discharge  its obligations under  the Indenture while Notes
remain outstanding if (i) all outstanding  Notes will become due and payable  at
their  scheduled  maturity within  one year  or (ii)  all outstanding  Notes are
scheduled for redemption within  one year, and in  either case, the Company  has
deposited  with  the  Trustee an  amount  sufficient  to pay  and  discharge all
outstanding Notes on the date of their scheduled maturity or the scheduled  date
of redemption.

GOVERNING LAW

    The Indenture will provide that the Notes will be governed by, and construed
in  accordance with, the laws of the State  of New York without giving effect to
applicable principles of conflicts of law.

TRANSFER AND EXCHANGE

    A holder may transfer  or exchange Notes in  accordance with the  Indenture.
The  Registrar and  the Trustee  may require  a holder,  among other  things, to
furnish appropriate  endorsements and  transfer documents  and the  Company  may
require  a holder to pay any taxes and  fees required by law or permitted by the
Indenture. The Company is not required to transfer or exchange any Note selected
for redemption. Also, the  Company is not required  to transfer or exchange  any
Note for a period of 15 days before a selection of Notes to be redeemed.

    The  registered holder of a Note will be  treated as the owner of it for all
purposes.

THE TRUSTEE

    The Indenture will provide that, except  during the continuance of an  Event
of  Default, the Trustee will  perform only such duties  as are specifically set
forth in the Indenture. In case an  Event of Default shall occur (and shall  not
be  cured) and holders of the Notes  have notified the Trustee, the Trustee will
be required  to exercise  its powers  with the  degree of  care and  skill of  a
prudent  person in  the conduct  of such person's  own affairs.  Subject to such
provisions, the Trustee is under no obligation to exercise any of its rights  or
powers under the Indenture at the request of any of the holders of Notes, unless
they  shall have offered  to the Trustee security  and indemnity satisfactory to
it.

    The Indenture and the TIA will contain certain limitations on the rights  of
the  Trustee, should it become  a creditor of the  Company, to obtain payment of
claims in certain cases or to realize on certain property received in respect of
any such claim as security or otherwise. Subject to the TIA, the Trustee will be
permitted to  engage  in  other  transactions, provided,  however,  that  if  it
acquires  any conflicting interest (as described  in the TIA), it must eliminate
such conflict or resign.

CERTAIN DEFINITIONS

    "Credit Agreement" means that certain Credit Agreement, dated as of June  6,
1994,  by and among  the Company and  the Lenders named  therein and Continental
Bank N.A.,  as  Agent, providing  for  up  to $52,500,000  of  revolving  credit
borrowings,  including  any  related  notes,  guarantees,  collateral documents,
instruments and agreements executed in connection therewith, and in each case as
amended, modified, renewed, refunded, replaced or refinanced from time to time.

    "Default" means any event  that is, or  after notice or  passage of time  or
both would be, an Event of Default.

                                       30
<PAGE>
    "Designated  Senior  Debt" means  any particular  Senior  Debt in  which the
instrument creating  or  evidencing the  same  of the  assumption  or  guarantee
thereof  (or related agreements  or documents to  which the Company  is a party)
expressly provide that such Indebtedness is entitled to the rights of Designated
Senior Debt under  the Indenture  (provided that such  instrument, agreement  or
other  document may place limitations and conditions on the right of such Senior
Debt to exercise the rights of Designated Senior Debt).

    "Event of Default" has the meaning set forth under "--Events of Default  and
Remedies" herein.

    "GAAP"  means  generally accepted  accounting  principles set  forth  in the
opinions and pronouncements of the  Accounting Principles Board of the  American
Institute  of Certified Public Accountants  and statements and pronouncements of
the Financial Accounting  Standards Board or  in such other  statements by  such
other  entity as  may be  approved by  a significant  segment of  the accounting
profession of the United States, which are in effect from time to time.

    "Indebtedness" means, with respect to  any person, all obligations,  whether
or not contingent, of such person (i) (a) for borrowed money, (b) evidenced by a
note,  debenture, bond or written  instrument, (c) under a  lease required to be
capitalized on the balance  sheet of the  lessee under GAAP,  (d) in respect  of
letters   of  credit,   bank  guarantees  or   bankers'  acceptances  (including
reimbursement obligations with respect to any of the foregoing), (e) secured  by
a  mortgage, or resulting in  an encumbrance to which  the property or assets of
such person are  subject, whether or  not the obligation  secured thereby  shall
have  been assumed by or  shall otherwise be such  person's legal liability (but
only to  the extent  of the  value of  such property  or assets  and the  amount
thereof  which is such persons' legal liability),  (f) in respect of the balance
of deferred and  unpaid price  of any property,  assets or  services, (g)  under
interest  rate and currency  swap agreements, cap,  floor and collar agreements,
spot and forward  contracts and  similar agreements and  arrangements; (ii)  any
obligation  of others of the type described in the preceding clause (i) or under
clause (iii) assumed by or guaranteed in any manner by such person or in  effect
guaranteed  by  such  person through  an  agreement to  purchase,  contingent or
otherwise (and  the  obligations of  such  person under  any  such  assumptions,
guarantees  or  other  such  arrangements); and  (iii)  any  and  all deferrals,
renewals,  extensions,   refinancings   and  refundings   of,   or   amendments,
modifications or supplements to, any of the foregoing.

    "Issue  Date" means the date on which  the Notes are originally issued under
the Indenture.

    "Material Subsidiary" means, at any date of determination, any Subsidiary of
the Company that, together with its Subsidiaries,  as of the end of such  fiscal
year,  was the owner of more than 25% of the consolidated assets of the Company,
after eliminating any inter-company receivables  of such Subsidiary, all as  set
forth  on the most  recently available consolidated  financial statements of the
Company and  its consolidated  Subsidiaries  for such  fiscal year  prepared  in
conformity with generally accepted accounting principles as then in effect.

    "Maturity Date" means October 1, 2005.

    "Obligations"    means   any    principal,   interest,    penalties,   fees,
indemnifications, reimbursements, damages  and other  liabilities payable  under
the documentation governing any Indebtedness.

    "Person"  means  any  individual, corporation,  partnership,  joint venture,
trust, estate,  unincorporated  organization  or government  or  any  agency  or
political subdivision thereof.

    "Senior Debt" means the principal of, premium, if any, and interest on, rent
under,  and any  other amounts  payable on  or in  or in  respect of  the Credit
Agreement  and  any  other  Indebtedness  of  the  Company  (including,  without
limitation,  any Obligations in respect of such Indebtedness and, in the case of
Designated Senior Debt, any interest accruing after the filing of a petition  by
or  against the Company  under any bankruptcy  law, whether or  not allowed as a
claim after such filing  in any proceeding under  such bankruptcy law),  whether
outstanding  on  the  date of  the  Indenture or  thereafter  created, incurred,
assumed, guaranteed  or  in effect  guaranteed  by the  Company  (including  all
deferrals,  renewals, extensions or refundings  of, or amendments, modifications
or supplements to the foregoing); provided,

                                       31
<PAGE>
however, that Senior  Debt does not  include (v) Indebtedness  evidenced by  the
Notes,  (w) any liability for federal, state, local or other taxes owed or owing
by the  Company or  of a  type described  in clause  (ii) of  the definition  of
Indebtedness,  (x) Indebtedness of the Company  to any Subsidiary of the Company
except to  the  extent  such  Indebtedness is  pledged  by  such  Subsidiary  as
security,  (y) trade payables of the Company (other than any such obligations of
the type described in  clause (ii) of the  definition of Indebtedness), and  (z)
any  particular Indebtedness in which the  instrument creating or evidencing the
same or the assumption or guarantee thereof (or related agreements or  documents
to which the Company is a party) expressly provides that such Indebtedness shall
not  be senior in right of payment to, or is PARI PASSU with, or is subordinated
or junior to, the Notes.

    "Subsidiary" means,  with  respect  to  any  person,  (i)  any  corporation,
association  or other business entity of which more than 50% of the total voting
power of shares of capital stock  entitled (without regard to the occurrence  of
any  contingency) to  vote in  the election  of directors,  managers or trustees
thereof is at  the time  owned or controlled,  directly or  indirectly, by  such
person or one or more of the other Subsidiaries of that person (or a combination
thereof)  and (ii) any partnership (a) the  sole general partner or the managing
general partner of which is  such person or a Subsidiary  of such person or  (b)
the  only  general  partners  of  which  are  such  person  or  of  one  or more
Subsidiaries of such person (or any combination thereof).

                                       32
<PAGE>
                   CERTAIN FEDERAL INCOME TAX CONSIDERATIONS

    The  following  is a  general discussion  of  certain United  States federal
income tax considerations relevant to holders  of the Notes. This discussion  is
based  upon the Internal Revenue Code of 1986, as amended (the "Code"), Treasury
Regulations, Internal Revenue Service ("IRS") rulings and judicial decisions now
in effect, all of which are subject to change (possibly with retroactive effect)
or different interpretations. This discussion does not purport to deal with  all
aspects  of  federal  income  taxation  that may  be  relevant  to  a particular
investor's decision to purchase the Notes, and  it is not intended to be  wholly
applicable  to all categories  of investors, some  of which, such  as dealers in
securities, banks, insurance companies, tax-exempt organizations and  non-United
States persons, may be subject to special rules. In addition, this discussion is
limited to persons that purchase the Notes in the offering and hold the Notes as
a "capital asset" within the meaning of Section 1221 of the Code.

    ALL PROSPECTIVE PURCHASERS OF THE NOTES ARE ADVISED TO CONSULT THEIR OWN TAX
ADVISORS REGARDING THE FEDERAL, STATE, LOCAL AND FOREIGN TAX CONSEQUENCES OF THE
PURCHASE, OWNERSHIP AND DISPOSITION OF THE NOTES AND THE COMMON STOCK.

CONVERSION OF NOTES INTO COMMON STOCK

    In  general, no gain or loss will be recognized for income tax purposes on a
conversion of the Notes into shares of Common Stock. However, cash paid in  lieu
of  a fractional share  of Common Stock  will likely result  in taxable gain (or
loss), which will be  capital gain (or  loss) to the extent  that the amount  of
such  cash exceeds (or is exceeded by) the  portion of the adjusted basis of the
Note allocable to such fractional share. The adjusted basis of shares of  Common
Stock  received  on  conversion  will  equal  the  adjusted  basis  of  the Note
converted, reduced by the portion of adjusted basis allocated to any  fractional
share  of Common Stock exchanged for cash.  The holding period of an investor in
the Common Stock received on conversion will include the period during which the
converted Notes were held.

    The conversion price  of the Notes  is subject to  adjustment under  certain
circumstances.  See "Description of Notes--Conversion."  Section 305 of the Code
and the Treasury  Regulations issued  thereunder may  treat the  holders of  the
Notes  as  having received  a constructive  distribution, resulting  in ordinary
income (subject  to a  possible  dividends received  deduction  in the  case  of
corporate  holders) to the extent of  the Company's current earnings and profits
as of the end of the taxable year to which the constructive distribution relates
and/or accumulated  earnings and  profits, if  and to  the extent  that  certain
adjustments  in the  conversion price  that may  occur in  limited circumstances
(particularly an adjustment to reflect a  taxable dividend to holders of  Common
Stock)  increase the proportionate  interest of a  holder of Notes  in the fully
diluted Common Stock, whether or not  such holder ever exercises its  conversion
privilege.  Moreover, if there is not a  full adjustment to the conversion price
of the  Notes  to  reflect  a  stock dividend  or  other  event  increasing  the
proportionate  interest of the holders of outstanding Common Stock in the assets
or earnings and profits of the Company, then such increase in the  proportionate
interest  of the  holders of  the Common  Stock generally  will be  treated as a
distribution to such holders, taxable as ordinary income (subject to a  possible
dividends  received deduction in the case of corporate holders) to the extent of
the Company's current earnings and profits as of the end of the taxable year  to
which  the  constructive distribution  relates  and/or accumulated  earnings and
profits.

MARKET DISCOUNT

    Investors acquiring Notes pursuant to  this Prospectus should note that  the
resale  of  those  Notes  may  be  adversely  affected  by  the  market discount
provisions of sections 1276 through 1278 of the Code. Under the market  discount
rules,  if a holder of a Note purchases  it at market discount (i.e., at a price
below  its   stated   redemption   price   at   maturity)   in   excess   of   a
statutorily-defined  DE  MINIMIS amount  and thereafter  recognizes gain  upon a
disposition or retirement of the Note, then the lesser of the gain recognized or
the portion of  the market  discount that  accrued on  a ratable  basis (or,  if
elected,  on  a  constant interest  rate  basis)  generally will  be  treated as
ordinary income at the time of the disposition. Moreover, any market discount on
a Note may be taxable to an investor  to the extent of appreciation at the  time
of  certain otherwise non-taxable transactions (e.g., gifts). Any accrued market
discount not

                                       33
<PAGE>
previously taken into income  prior to a conversion  of a Note, however,  should
(under  Treasury  Regulations not  yet issued)  carry over  to the  Common Stock
received on  conversion and  be treated  as ordinary  income upon  a  subsequent
disposition  of such Common Stock  to the extent of  any gain recognized on such
disposition. In  addition, absent  an  election to  include market  discount  in
income  as it  accrues, a  holder of  a market  discount debt  instrument may be
required to  defer a  portion of  any  interest expense  that otherwise  may  be
deductible  on any indebtedness incurred or maintained to purchase or carry such
debt instrument until the  holder disposes of the  debt instrument in a  taxable
transaction.

SALE, EXCHANGE OR RETIREMENT OF NOTES

    Each  holder of Notes generally  will recognize gain or  loss upon the sale,
exchange, redemption, repurchase, retirement or other disposition of those Notes
measured by the difference (if any) between (i) the amount of cash and the  fair
market  value of any property  received (except to the  extent that such cash or
other property is attributable to the payment of accrued interest not previously
included in income, which  amount will be taxable  as ordinary income) and  (ii)
the  holder's adjusted tax  basis in those Notes  (including any market discount
previously included in income by the  holder). Each holder of Common Stock  into
which  the Notes are converted, in general, will recognize gain or loss upon the
sale, exchange, redemption, or  other disposition of  the Common Stock  measured
under  rules similar to those described in the preceding sentence for the Notes.
Special rules  may apply  to redemptions  of Common  Stock which  may result  in
different  treatment. Any  such gain or  loss recognized on  the sale, exchange,
redemption, repurchase, retirement or  other disposition of a  Note or share  of
Common Stock should be capital gain or loss (except as discussed under "--Market
Discount" above), and would be long-term capital gain or loss if the Note or the
Common  Stock had been held  for more than one  year at the time  of the sale or
exchange. An investor's  initial basis in  a Note  will be the  cash price  paid
therefor.

BACKUP WITHHOLDING

    A holder of Notes or Common Stock may be subject to "back-up withholding" at
a  rate of 31% with respect to certain "reportable payments," including interest
payments, dividend payments and, under certain circumstances, principal payments
on the Notes. These back-up withholding  rules apply if the holder, among  other
things,  (i)  fails  to  furnish  a social  security  number  or  other taxpayer
identification number  ("TIN") certified  under penalties  of perjury  within  a
reasonable  time after  the request therefor,  (ii) furnishes  an incorrect TIN,
(iii) fails to  report properly  interest or  dividends, or  (iv) under  certain
circumstances, fails to provide a certified statement, signed under penalties of
perjury,  that the TIN furnished  is the correct number  and that such holder is
not subject to back-up  withholding. A holder who  does not provide the  Company
with  its correct TIN also  may be subject to penalties  imposed by the IRS. Any
amount withheld from a payment to  a holder under the back-up withholding  rules
is  creditable against the  holder's federal income  tax liability, provided the
required information  is furnished  to  the IRS.  Back-up withholding  will  not
apply,  however, with  respect to  payments made  to certain  holders, including
corporations, tax-exempt  organizations and  certain foreign  persons,  provided
their exemption from back-up withholding is properly established.

    The  Company will report to the holders of Notes and Common Stock and to the
IRS the  amount of  any "reportable  payments" for  each calendar  year and  the
amount of tax withheld, if any, with respect to such payments.

                                       34
<PAGE>
                                  UNDERWRITING

    Subject  to the terms and conditions set forth in the Underwriting Agreement
(the "Underwriting  Agreement")  among the  Company  and the  Underwriters,  the
Company has agreed to sell to the Underwriters, and the Underwriters have agreed
to purchase, the principal amount of the Notes set forth below:

<TABLE>
<CAPTION>
                                                                             PRINCIPAL AMOUNT
                                UNDERWRITER                                      OF NOTES
---------------------------------------------------------------------------  -----------------
<S>                                                                          <C>
Salomon Brothers Inc.......................................................
Donaldson, Lufkin & Jenrette Securities Corporation........................
Merrill Lynch, Pierce Fenner & Smith
          Incorporated.....................................................
Montgomery Securities......................................................
                                                                             -----------------
    Total..................................................................   $   150,000,000
                                                                             -----------------
                                                                             -----------------
</TABLE>

    In  the Underwriting Agreement, the Underwriters have agreed, subject to the
terms and conditions set forth therein, that the obligations of the Underwriters
are subject to certain  conditions precedent and that  the Underwriters will  be
obligated to purchase the entire principal amount of the Notes offered hereby if
any Notes are purchased.

    The  Company has been advised by the Underwriters that they propose to offer
the Notes directly to the public at the initial public offering price set  forth
on  the cover  of this Prospectus  and to certain  dealers at such  price less a
concession of not  more than      % of the  principal amount of  the Notes.  The
Underwriters may allow, and such dealers may reallow, a concession not in excess
of     % of the principal amount of the Notes. After the initial public offering
of the Notes, the public offering price and such concessions may be changed.

    The Underwriting  Agreement provides  that the  Company will  indemnify  the
Underwriters  against certain civil liabilities, including liabilities under the
Securities Act or contribute to payments  that the Underwriters may be  required
to  make in  respect thereof  and to reimburse  certain expenses  of the Company
incurred in connection with the offering of the Notes hereby.

    Except for certain exceptions pertaining to certain employee benefit  plans,
outstanding  options  and  warrants  to  purchase  Common  Stock  and securities
convertible into Common Stock, the Company has agreed that it will not,  without
the prior written consent of Salomon Brothers Inc, for a period of 90 days after
the   date  on  which  the  Underwriting  Agreement  is  executed,  directly  or
indirectly, offer to sell, sell, grant any  option for the sale of or  otherwise
dispose  of any  shares of  Common Stock or  any securities  convertible into or
exchangeable or exercisable  for any  shares of Common  Stock, or  any right  or
option  to acquire any  such shares or  securities. Sales by  the Company to the
Underwriters are exempt from such restriction.

    In connection  with the  offering, certain  Underwriters and  selling  group
members  who are  qualifying registered market  markers on Nasdaq  may engage in
passive market making transactions in the  Common Stock on Nasdaq in  accordance
with  Rule 10b-6A  under the  Exchange Act  during the  two business  day period
before commencement of  offers or sales  of the Notes  in the offering.  Passive
market making transactions must comply with certain volume and price limitations
and  be identified as such.  In general, a passive  market maker may display its
bid at a price not  in excess of the highest  independent bid for the  security,
and  if all independent bids  are lowered below the  passive market maker's bid,
then such bid must be lowered when cetain purchase limits are exceeded.

    The Company intends to apply for approval for the Notes to be quoted on  the
Nasdaq  Stock Market. However, no assurance can be given that any market for the
Notes will develop. See "Risk Factors-- Absence of Public Market for the Notes."

                                       35
<PAGE>
                                 LEGAL MATTERS

    The validity  of the  Notes and  the shares  of Common  Stock issuable  upon
conversion  thereof  will be  passed upon  for the  Company by  Wilson, Sonsini,
Goodrich & Rosati, Professional Corporation, Palo Alto, California, and for  the
Underwriters by Latham & Watkins, San Francisco, California.

                                    EXPERTS

    The  consolidated financial statements and schedule of VLSI Technology, Inc.
appearing in the Company's Annual Report (Form 10-K) for the year ended December
30, 1994, have been audited by Ernst  & Young LLP, independent auditors, as  set
forth  in  their  report thereon  included  therein and  incorporated  herein by
reference.  Such  consolidated  financial  statements  and  schedule  have  been
incorporated  herein by  reference in reliance  upon such report  given upon the
authority of such firm as experts in accounting and auditing.

                                       36
<PAGE>
NO  DEALER,  SALESPERSON  OR  OTHER  PERSON  HAS  BEEN  AUTHORIZED  TO  GIVE ANY
INFORMATION OR TO MAKE ANY REPRESENTATION IN CONNECTION WITH THIS OFFERING OTHER
THAN THOSE CONTAINED IN OR INCORPORATED BY REFERENCE IN THIS PROSPECTUS AND,  IF
GIVEN  OR MADE, SUCH  INFORMATION OR REPRESENTATION  MUST NOT BE  RELIED UPON AS
HAVING BEEN  AUTHORIZED  BY  THE  COMPANY  OR  ANY  OF  THE  UNDERWRITERS.  THIS
PROSPECTUS DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO
BUY ANY OF THESE SECURITIES OFFERED IN ANY JURISDICTION TO ANY PERSON TO WHOM IT
IS  UNLAWFUL TO MAKE SUCH AN OFFER OR SOLICITATION IN SUCH JURISDICTION. NEITHER
THE DELIVERY OF  THIS PROSPECTUS NOR  ANY SALE MADE  HEREUNDER SHALL, UNDER  ANY
CIRCUMSTANCES,  CREATE ANY IMPLICATION THAT THE INFORMATION HEREIN IS CORRECT AS
OF ANY TIME SUBSEQUENT TO  THE DATE HEREOF OR THAT  THERE HAS BEEN NO CHANGE  IN
THE AFFAIRS OF THE COMPANY SINCE SUCH DATE.

                            ------------------------

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                       PAGE
                                                       -----
<S>                                                 <C>
Available Information.............................           2
Information Incorporated by Reference.............           2
Prospectus Summary................................           3
Risk Factors......................................           7
Use of Proceeds...................................          13
Price Range of Common Stock and Dividend Policy...          13
Capitalization....................................          14
Selected Consolidated Financial Data..............          15
Business..........................................          17
Description of Notes..............................          21
Certain Federal Income Tax Considerations.........          33
Underwriting......................................          35
Legal Matters.....................................          36
Experts...........................................          36
</TABLE>

$150,000,000
   [LOGO]

   % CONVERTIBLE
SUBORDINATED NOTES
DUE 2005

SALOMON BROTHERS INC

DONALDSON, LUFKIN & JENRETTE
      SECURITIES CORPORATION

MERRILL LYNCH & CO.

MONTGOMERY SECURITIES

PROSPECTUS

DATED              , 1995
<PAGE>
                             VLSI TECHNOLOGY, INC.
                       REGISTRATION STATEMENT ON FORM S-3

                                    PART II

                     INFORMATION NOT REQUIRED IN PROSPECTUS

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

    The following table sets forth the various costs and expenses payable by the
Company,  other than underwriting discounts and commissions, with respect to the
sale and distribution  of the securities  being registered. All  of the  amounts
shown  are estimates except the  Securities and Exchange Commission registration
fee, the NASD filing fee and the Nasdaq Listing Fees.

<TABLE>
<S>                                                                 <C>
SEC Registration Fee..............................................  $  59,483
NASD Filing Fee...................................................     17,750
Nasdaq Listing Fees...............................................     27,500
Blue Sky Fees and Expenses........................................     15,000
Legal Fees and Expenses...........................................    125,000
Accounting Fees and Expenses......................................     50,000
Printing and Engraving............................................     60,000
Trustee, Transfer Agent and Registrar Fees........................     20,000
Miscellaneous.....................................................     25,267
                                                                    ---------
    Total.........................................................  $ 400,000
                                                                    ---------
                                                                    ---------
</TABLE>

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

    The Company has the power, pursuant  to Section 145 of the Delaware  General
Corporation  Law, to limit the liability of directors to the Company for certain
breaches of fiduciary duty  and to indemnify its  directors, officers and  other
persons  for certain acts. The  Company's Restated Certificate of Incorporation,
as amended, includes the following provision:

    "11.  LIMITATION OF DIRECTORS' LIABILITY.   To the fullest extent  permitted
    by  the Delaware  General Corporation Law  as the  same exists or  as it may
    hereafter be amended, a director of the Corporation shall not be  personally
    liable  to  the Corporation  or its  stockholders  for monetary  damages for
    breach of fiduciary duty as a director. Neither any amendment nor repeal  of
    this  Article 11, nor the  adoption of any provision  of this Certificate of
    Incorporation inconsistent with this Article  11, shall eliminate or  reduce
    the  effect of this  Article 11 in  respect of any  matter occurring, or any
    cause of action, suit or claim that,  but for this Article 11, would  accrue
    or  arise, prior  to such amendment,  repeal or adoption  of an inconsistent
    provision."

    Article VI of  the Bylaws  of the Company  provides that  the Company  shall
indemnify  certain agents of  the Company against  judgments, fines, settlements
and other  expenses arising  from  such person's  agency relationship  with  the
Company  provided that  the standard  of conduct set  forth therein  is met. The
effect of Article VI is to  require that the Company provide indemnification  to
such  agents to the maximum extent permitted by the Delaware General Corporation
Law. Agents covered by this indemnification provision include current and former
directors and officers  of the  Company, as  well as  persons who  serve at  the
request  of the Company  as directors, officers, employees  or agents of another
enterprise.

    In addition, the  Company has entered  into indemnification agreements  with
each  of  its  directors  and  certain  of  its  officers.  The  indemnification
agreements are based on  the provisions of Section  145 of the Delaware  General
Corporation Law and attempt to provide the directors and officers of the Company
with  the  maximum  indemnification  allowed  under  Delaware  law.  In  certain
instances, they  may  result  in  an expansion  of  the  substantive  protection
available  to such individuals  under the Restated  Certificate of Incorporation
and the Bylaws.

    The  Company  currently   maintains  directors'   and  officers'   liability
insurance,  but the  policy does  not provide  coverage for  liabilities arising
under the Securities Act.

                                      II-1
<PAGE>
    Reference is also made to Section 8 of the Underwriting Agreement  contained
in  Exhibit 1.1  hereto, indemnifying officers  and directors  of the Registrant
against certain liabilities.

ITEM 16.  EXHIBITS

<TABLE>
<CAPTION>
  EXHIBIT
  NUMBER     DESCRIPTION
-----------  --------------------------------------------------------------------------------------------------------
<C>          <S>
      1.1(1) Form of Underwriting Agreement.
      4.1(2) Composite Certificate of Incorporation, as amended through May 5, 1995.
      4.2(3) First Amended and Restated Rights Agreement, dated as of August 12, 1992, by and between the Company and
               the First National Bank of Boston, as Rights Agent, and Amendment No. 1 thereto dated August 24, 1992.
      4.3(1) Form of  Indenture between  the Registrant  and  Harris Trust  and Savings  Bank, as  Trustee,  covering
               $150,000,000 of   % Convertible Subordinated Notes due 2005 (including form of Note).
      5.1(1) Opinion  of  Wilson,  Sonsini,  Goodrich  &  Rosati,  Professional  Corporation,  regarding  legality of
               securities being registered.
     12.1    Statement setting forth computation of ratio of earnings to fixed charges.
     23.1    Consent of Ernst & Young LLP, Independent Auditors (see page II-5).
     23.2(1) Consent of Counsel (included in Exhibit 5.1).
     24.1    Power of Attorney (see page II-4).
     25.1(1) Statement of Eligibility of Trustee.
<FN>
------------
(1)  To be filed by amendment.
(2)  Incorporated by reference from Exhibit to the Company's Quarterly Report on
     Form 10-Q for the fiscal quarter ended June 30, 1995.
(3)  Incorporated by reference from Exhibit to the Company's Quarterly Report on
     Form 10-Q for the fiscal quarter ended September 26, 1992.
</TABLE>

ITEM 17.  UNDERTAKINGS

    The  undersigned  Registrant  hereby   undertakes  that,  for  purposes   of
determining  any liability under the Securities Act  of 1933, each filing of the
Registrant's annual report  pursuant to Section  13(a) or Section  15(d) of  the
Securities  Exchange  Act  of 1934  that  is  incorporated by  reference  in the
Registration Statement  shall  be deemed  to  be a  new  Registration  Statement
relating  to the securities offered therein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.

    Insofar as indemnification for liabilities arising under the Securities  Act
of  1933 may be permitted to directors,  officers and controlling persons of the
Registrant pursuant to provisions described in Item 15 hereof or otherwise,  the
Registrant  has been advised that in the  opinion of the Securities and Exchange
Commission such indemnification  is against  public policy as  expressed in  the
Securities  Act of 1933  and is, therefore,  unenforceable. In the  event that a
claim for indemnification against  such liabilities (other  than the payment  by
the  Registrant  of  expenses  incurred  or  paid  by  a  director,  officer  or
controlling person of the  Registrant in the successful  defense of any  action,
suit  or proceeding) is asserted by such director, officer or controlling person
in connection with the securities being registered, the Registrant will,  unless
in  the  opinion of  its  counsel the  matter  has been  settled  by controlling
precedent, submit to a court of appropriate jurisdiction the question of whether
such indemnification  by  it  is  against public  policy  as  expressed  in  the
Securities  Act of 1933 and  will be governed by  the final adjudication of such
issue.

    The undersigned Registrant hereby undertakes that:

        (1) For purposes of determining  any liability under the Securities  Act
    of  1933, the information omitted from the  form of Prospectus filed as part
    of this Registration Statement in reliance upon Rule 430A and contained in a
    form of Prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4)
    or 497(h) under the  Securities Act of  1933 shall be deemed  to be part  of
    this Registration Statement as of the time it was declared effective.

                                      II-2
<PAGE>
        (2)  For the purpose  of determining any  liability under the Securities
    Act  of  1933,  each  post-effective  amendment  that  contains  a  form  of
    Prospectus  shall be deemed  to be a new  Registration Statement relating to
    the securities offered therein, and the offering of such securities at  that
    time shall be deemed to be the initial bona fide offering thereof.

                                      II-3
<PAGE>
                                   SIGNATURES

    Pursuant  to the requirements of the Securities Act of 1933, the Registrant,
VLSI Technology, Inc., a  corporation organized and existing  under the laws  of
the  State of Delaware, certifies that it has reasonable grounds to believe that
it meets all of the requirements for filing on Form S-3 and has duly caused this
Registration Statement to be signed on its behalf by the undersigned,  thereunto
duly  authorized, in the City of San Jose,  State of California, on the 25th day
of August, 1995.

                                          VLSI Technology, Inc.

                                          By:         /s/ ALFRED J. STEIN

                                             -----------------------------------
                                                      Alfred J. Stein,
                                              CHAIRMAN OF THE BOARD, PRESIDENT
                                                 AND CHIEF EXECUTIVE OFFICER

    KNOW ALL  PERSONS BY  THESE PRESENTS  that each  individual whose  signature
appears  below constitutes and appoints Gregory  K. Hinckley and Thomas C. Tokos
and each of  them, his true  and lawful attorneys-in-fact  and agents with  full
power  of substitution, for him and in his name, place and stead, in any and all
capacities, to sign any and all amendments (including post-effective amendments)
to this Registration Statement, and to  sign any registration statement for  the
same  offering covered  by this Registration  Statement that is  to be effective
upon filing pursuant  to Rule  462(b) promulgated  under the  Securities Act  of
1933,  and all post-effective amendments thereto, and to file the same, with all
exhibits thereto and all documents in connection therewith, with the  Securities
and  Exchange Commission, granting  unto said attorneys-in-fact  and agents, and
each of them, full power and authority to do and perform each and every act  and
thing  requisite and necessary to be done in and about the premises, as fully to
all intents and purposes as he might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents or any of them, or his  or
their  substitute or substitutes, may lawfully do  or cause to be done by virtue
hereof.

    Pursuant  to  the  requirements  of   the  Securities  Act  of  1933,   this
Registration  Statement has  been signed below  by the following  persons in the
capacities and on the dates indicated:

<TABLE>
<CAPTION>
                    SIGNATURE                                TITLE                 DATE
-------------------------------------------------  -------------------------  --------------

<C>                                                <S>                        <C>
                                                   Chairman of the Board,
                                                     Chief Executive Officer
                   /s/ ALFRED J. STEIN               and President              August 25,
      -------------------------------------          (Principal Executive          1995
                (Alfred J. Stein)                    Officer) and Director

                                                   Vice President, Finance
                /s/ GREGORY K. HINCKLEY              and Chief Financial        August 25,
      -------------------------------------          Officer (Principal            1995
              (Gregory K. Hinckley)                  Financial Officer)

               /s/ BALAKRISHNAN S. IYER            Vice President and
      -------------------------------------          Controller (Principal      August 25,
             (Balakrishnan S. Iyer)                  Accounting Officer)           1995

                  /s/ PIERRE S. BONELLI
      -------------------------------------        Director                     August 25,
               (Pierre S. Bonelli)                                                 1995

                 /s/ ROBERT P. DILWORTH
      -------------------------------------        Director                     August 25,
              (Robert P. Dilworth)                                                 1995

                      /s/ JAMES J. KIM
      -------------------------------------        Director                     August 25,
                 (James J. Kim)                                                    1995

                  /s/ HORACE H. TSIANG
      -------------------------------------        Director                     August 25,
               (Horace H. Tsiang)                                                  1995
</TABLE>

                                      II-4
<PAGE>
               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

    We consent  to  the reference  to  our  firm under  the  captions  "Selected
Consolidated  Financial Data" and "Experts"  in the Registration Statement (Form
S-3) and related  Prospectus of VLSI  Technology, Inc. for  the registration  of
$172,500,000  of Convertible  Subordinated Notes due  2005 and  the Common Stock
issuable upon conversion thereof and  to the incorporation by reference  therein
of our report dated January 17, 1995, with respect to the consolidated financial
statements  and schedule of VLSI Technology,  Inc. included in its Annual Report
(Form 10-K) for the year ended December 30, 1994, filed with the Securities  and
Exchange Commission.

                                                               ERNST & YOUNG LLP
San Jose, California
August 25, 1995

                                      II-5
<PAGE>
                                 EXHIBIT INDEX

<TABLE>
<CAPTION>
 EXHIBIT
 NUMBER    DESCRIPTION
---------  --------------------------------------------------------------------------------------------------------
<S>        <C>
 1.1(1)    Form of Underwriting Agreement.
 4.1(2)    Composite Certificate of Incorporation, as amended through May 5, 1995.
 4.2(3)    First Amended and Restated Rights Agreement, dated as of August 12, 1992, by and between the Company and
             the First National Bank of Boston, as Rights Agent, and Amendment No. 1 thereto dated August 24, 1992.
 4.3(1)    Form  of  Indenture between  the Registrant  and Harris  Trust  and Savings  Bank, as  Trustee, covering
             $150,000,000 of   % Convertible Subordinated Notes due 2005 (including form of Note).
 5.1(1)    Opinion of  Wilson,  Sonsini,  Goodrich  &  Rosati,  Professional  Corporation,  regarding  legality  of
             securities being registered.
12.1       Statement setting forth computation of ratio of earnings to fixed charges.
23.1       Consent of Ernst & Young LLP, Independent Auditors (see page II-5).
23.2(1)    Consent of Counsel (included in Exhibit 5.1).
24.1       Power of Attorney (see page II-4).
25.1(1)    Statement of Eligibility of Trustee.
<FN>
------------
(1)  To be filed by amendment.
(2)  Incorporated by reference from Exhibit to the Company's Quarterly Report on
     Form 10-Q for the fiscal quarter ended June 30, 1995.
(3)  Incorporated by reference from Exhibit to the Company's Quarterly Report on
     Form 10-Q for the fiscal quarter ended September 26, 1992.
</TABLE>

<PAGE>

                                                       EXHIBIT 12.1


                              VLSI TECHNOLOGY, INC.

                       RATIO OF EARNINGS TO FIXED CHARGES


                            (IN THOUSANDS OF DOLLARS)

<TABLE>
<CAPTION>

                                                            Fiscal Year                                     Six Months Ended
                              -----------------------------------------------------------------------  ---------------------------
                                  1990           1991           1992           1993           1994      July 1, 1994  June 30,1995
                              -----------------------------------------------------------------------  -------------- ------------
<S>                           <C>            <C>           <C>             <C>           <C>           <C>            <C>
Income (loss) before
  provision for taxes on
  income                        ($12,740)       $12,778       ($31,617)       $20,531        $41,707        $19,478        $16,495

Add - Fixed charges net of
  capitalized interest            11,397         12,345         12,687         11,897         11,411          5,480          4,977
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------

Income before taxes and
  fixed charges (net of
  capitalized interest)           (1,343)        25,123        (18,930)        32,428         53,118         24,938         21,472
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------

Fixed charges:

Interest (1)                       9,163          9,279          9,121          8,131          8,411          4,082          3,351

Capitalized Interest                   0              0              0              0            422              0          1,397

Estimated interest component
  of rental expense                2,234          3,066          3,566          3,766          2,999          1,378          1,626
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------

Total                             11,397         12,345         12,687         11,897         11,832          5,480          6,374
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------

Ratio of earnings before
  taxes and fixed charges,
  to fixed charges                    --(2)        2.04x            --(2)        2.73x          4.49x          4.57x          3.37x
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------
                              ----------     ----------     ----------     ----------     ----------     ----------     ----------

______________
<FN>
(1)  Interest expense includes the amortization of underwriting fees for the
     relevant periods outstanding.

(2)  As a result of the loss incurred for the years 1990 and 1992, the
     Company was unable to fully cover fixed charges. The amount of such
     deficiencies in 1990 and 1992 were $1.3 million and $18.9 million,
     respectively.

</TABLE>




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