VLSI TECHNOLOGY INC
424B4, 1995-09-08
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>
   
PROSPECTUS
    
   
$150,000,000
    [LOGO]

8 1/4% CONVERTIBLE SUBORDINATED NOTES DUE 2005
    

   
    The  8 1/4%  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 on or
before the close of business on the  last trading day prior to maturity,  unless
previously  redeemed,  at a  conversion price  of $54.80  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 September 7, 1995, the last reported sale
price  of the Common Stock  on Nasdaq was $34.25 per  share. See "Price Range of
Common Stock and Dividend Policy." The Notes have been approved for quotation on
the Nasdaq Stock Market under the symbol "VLSIH."
    

    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 (i.e., a  Change of Control  or
Termination  of Trading (each as  defined)), each holder has  the right to cause
the Company to  purchase the Notes  at 101% of  their principal amount  together
with accrued and unpaid interest. See "Description of Notes."

   
    SEE  "RISK FACTORS" COMMENCING AT PAGE 8 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......................................  100.00%           2.50%             97.50%
Total(3)......................................  $150,000,000      $3,750,000        $146,250,000
----------------------------------------------------------------------------------------------------
<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 the 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  $172,500,000, $4,312,500  and $168,187,500,
     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 September 13, 1995.
    

SALOMON BROTHERS INC

          DONALDSON, LUFKIN & JENRETTE
                           SECURITIES CORPORATION

                                        MERRILL LYNCH & CO.
                                                           MONTGOMERY SECURITIES

   
The date of this Prospectus is September 7, 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 Company's Current Report on Form 8-K dated August 28, 1995, updating
       information regarding litigation.

    4.   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.

   
    5.  The Company's Reports on Form 10-C filed with the Commission on June 27,
       1995, August 11, 1995, August 11, 1995 and August 31, 1995.
    

    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
CONSOLIDATED  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  8  1/4%
                                    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 8 1/4% 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 on  or
                                    before  the close  of business  on the  last trading day
                                    prior to  maturity,  unless previously  redeemed,  at  a
                                    conversion   price  of  $54.80  per  share,  subject  to
                                    adjustment in certain events. See "Description of  Notes
                                    -- Conversion."

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.  See "Description of Notes  --
                                    Optional 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  a Designated  Event  (i.e., a  Change  of
                                    Control  or a Termination of Trading (each as defined)).
                                    For such purposes, a "Change of Control" will be  deemed
                                    to  have occurred (i) when  any person or group acquires
                                    more than 50 percent of the combined voting power of the
                                    Company's  outstanding  securities,  (ii)  upon  certain
                                    consolidations, mergers or sales of all or substantially
                                    all  the assets of  the Company, and  (iii) upon certain
                                    changes in the composition of the Board of Directors  of
                                    the Company. However, a Change of Control will be deemed
                                    not  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 event  that
                                    otherwise would be a Change of Control is at least equal
                                    to  105% of the conversion price  or (y) at least 90% of
                                    the   consideration   in   the   transaction   otherwise
                                    constituting  a 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
</TABLE>
    

                                       4
<PAGE>

   
<TABLE>
<S>                                 <C>
                                    market  in the United States. A "Termination of Trading"
                                    will be deemed to have occurred if the Common Stock  (or
                                    other  common  stock  into  which  the  Notes  have been
                                    converted) 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. See "Description of
                                    Notes   --  Repurchase  at  Option  of  Holders  Upon  a
                                    Designated Event."

                                    The terms  of the  Company's existing  credit  agreement
                                    prohibit  the Company from purchasing any Notes and also
                                    provide that  a Designated  Event,  as well  as  certain
                                    other  change-of-control  events  with  respect  to  the
                                    Company,  would   constitute   an   event   of   default
                                    thereunder.   Any  future  credit  agreements  or  other
                                    agreements relating  to  other  indebtedness  (including
                                    other  Senior Debt) to which the Company becomes a party
                                    may contain similar restrictions and provisions. 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
                                    would 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 a further
                                    default under  the  existing credit  agreement  and  may
                                    constitute   a   default  under   the  terms   of  other
                                    indebtedness that the Company  may enter into from  time
                                    to   time.  In  such  circumstances,  the  subordination
                                    provisions  in  the  Indenture  would  likely   restrict
                                    payments to the holders of Notes. There are currently no
                                    borrowings  outstanding  under  the  Company's  existing
                                    credit  agreement.   See   "Description  of   Notes   --
                                    Repurchase at Option of Holders Upon a Designated Event"
                                    and  "Risk  Factors  --  Limitations  on  Repurchase  of
                                    Notes."

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.  See
                                    "Description of Notes -- Subordination."

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

Listing...........................  The Notes have been approved for quotation on the Nasdaq
                                    Stock  Market under the symbol "VLSIH." The Common Stock
                                    is traded on the Nasdaq National Market under the symbol
                                    "VLSI."
</TABLE>
    

                                       5
<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)..........                                             2.90x         2.82x              2.41x
  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)..........                                             6.34x         6.30x              5.81x
</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           792,201
  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" and "Business  --
     Litigation."

(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" and "Business --
     Litigation."
</TABLE>

                                       6
<PAGE>

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

(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 $12.7  million  and  $31.6  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>

                                       7
<PAGE>
                                  RISK FACTORS

    AN  INVESTMENT  IN  THE  NOTES  INVOLVES A  SIGNIFICANT  DEGREE  OF  RISK. A
PROSPECTIVE INVESTOR SHOULD CONSIDER CAREFULLY ALL OF THE INFORMATION  CONTAINED
IN  THIS  PROSPECTUS  BEFORE DECIDING  WHETHER  TO  PURCHASE THE  NOTES  AND, IN
PARTICULAR, SHOULD CONSIDER THE FOLLOWING FACTORS.

    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"  and  "Business   --
Litigation."

    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

                                       8
<PAGE>
environment.  Minute impurities, errors in any  step of the fabrication process,
defects in the  masks used 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.

                                       9
<PAGE>
    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  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, 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 and  a determination by  the
jury  that the infringement  was intentional. As  a result of  such verdict, the
Company recorded a charge to earnings of $19.4 million in the second quarter  of
1995. However, in August 1995, the trial judge overturned and set aside the jury
verdict  and conditionally granted a  new trial on the  matter in the event that
his decision is reversed on  appeal. It is anticipated  that TI will appeal  the
judge's  reversal of  the jury verdict  and seek  enhanced damages, pre-judgment
interest and attorneys' fees.  In the event that  TI's appeal is successful  and
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.  See  "Business  --
Litigation."

    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.

                                       10
<PAGE>
    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 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

                                       11
<PAGE>
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  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 and a Termination of Trading (each as defined), 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  terms of  the  Company's  existing  credit
agreement prohibit the Company from purchasing any Notes and also provide that a
Designated Event, as well as certain other change-of-control events with respect
to  the Company,  would constitute  an event  of default  thereunder. Any future
credit agreements or other agreements relating to other indebtedness  (including
other  Senior Debt)  to which  the Company becomes  a party  may contain similar
restrictions and provisions. 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  would 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 a further default under  the existing credit agreement and  may
constitute  a default under the terms of other indebtedness that the Company may
enter  into  from  time  to  time.  In  such  circumstances,  the  subordination
provisions  in the  Indenture would likely  restrict payments to  the holders of
Notes. There  are  currently  no  borrowings  outstanding  under  the  Company's
existing  credit agreement. See "Description of Notes -- Repurchase at Option of
Holders Upon a Designated Event."
    

    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

                                       12
<PAGE>
   
without notice. While the Notes have  been approved for quotation 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 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."

                                       13
<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 ($167,960,000  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 September 7, 1995  as
reported  by the Nasdaq National  Market is set forth on  the cover page of this
Prospectus. At August 31, 1995, the Company  had 1,489 holders of record of  its
Common  Stock  and  46,838,737 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 September 7, 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.

                                       14
<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:
  8 1/4% 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>
    

                                       15
<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)...................                                                     2.90x            2.82x                 2.41x
  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)...................                                                     6.34x            6.30x                 5.81x

<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>

                                       16
<PAGE>

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

(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"  and "Business --
    Litigation."

(8) 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"   and  "Business   --
    Litigation."

(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 $12.7 million and $31.6 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.

                                       17
<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  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.

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.

                                       18
<PAGE>
    - 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 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.

                                       19
<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>       <C>       <C>       <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.

                                       20
<PAGE>
    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 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.
3,716,764. A trial for this matter was  held in April 1995, which resulted in  a
May  1995  jury  verdict  against  VLSI  for  damages  of  $19.4  million  and a
determination by the jury that the infringement was intentional. As a result  of
such  verdict, the Company recorded a charge to earnings of $19.4 million in the
second quarter of 1995. However, in August 1995, the trial judge overturned  and
set  aside the jury verdict and conditionally  granted a new trial on the matter
in the event his decision is reversed on appeal. It is anticipated that TI  will
appeal  the  judge's reversal  of the  jury verdict  and seek  enhanced damages,
pre-judgment interest and  attorneys' fees.  In the  event that  TI's appeal  is
successful  and 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. Due  to the
uncertainty as to the  final outcome of  an appeal or a  new trial, the  Company
does  not currently  intend to adjust  its reserves relating  to this litigation
matter.

                                       21
<PAGE>
                              DESCRIPTION OF NOTES

   
    The  Notes will be issued under an indenture  to be dated as of September 1,
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 8 1/4% per annum from  September
13,  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 on or before 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  $54.80 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 price  of
the Common Stock on the last
    

                                       22
<PAGE>
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.  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 or 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, merger or combination  involving the Company or a sale  or
conveyance to another corporation of the property

                                       23
<PAGE>
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) that 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  because  of an  Event of
Default, 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.

    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

                                       24
<PAGE>
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, that the Company can create, incur,  assume
or  guarantee, nor will the Indenture limit the amount of indebtedness and other
liabilities that 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  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.

                                       25
<PAGE>
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 (October 3 with respect to 1997), 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.................................................................       103.3000%
1998.................................................................       102.8875%
1999.................................................................       102.4750%
2000.................................................................       102.0625%
2001.................................................................       101.6500%
2002.................................................................       101.2375%
2003.................................................................       100.8250%
2004.................................................................       100.4125%
2005.................................................................       100.0000%
</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, 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.

    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. Rule 13e-4 under the

                                       26
<PAGE>
Exchange  Act  requires,  among  other  things,  the  dissemination  of  certain
information  to security holders in the event  of an issuer tender offer and may
apply in the event  that the repurchase option  becomes available to holders  of
the  Notes. The Company will  comply with this rule  to the extent applicable at
that time.

    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  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.

   
    The  right  to require  the Company  to repurchase  Notes as  a result  of a
Designated Event could have  the effect of delaying,  deferring or preventing  a
Change  of Control or  other attempts to  acquire control of  the Company unless
arrangements have been made to enable the Company to repurchase all the Notes at
the Designated  Event Payment  Date. Consequently,  this right  may render  more
difficult  or discourage a  merger, consolidation or tender  offer (even if such
transaction is supported by the Company's Board of Directors or is favorable  to
the stockholders), the assumption of control by a holder of a large block of the
Company's shares and the removal of incumbent management.
    

   
    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  terms of the Credit Agreement  prohibit the Company from purchasing any
Notes and  also  provide that  a  Designated Event,  as  well as  certain  other
change-of-control  events with respect to the Company, would constitute an event
of default thereunder. Any future credit agreements or other agreements relating
to other indebtedness  (including Senior Debt)  to which the  Company becomes  a
party may contain similar restrictions and provisions. 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
would 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  a further  default under  the
Credit  Agreement  and  may  constitute  a  default  under  the  terms  of other
indebtedness that  the  Company  may enter  into  from  time to  time.  In  such
circumstances,  the  subordination  provisions  in  the  Indenture  would likely
restrict payments to  the holders of  Notes. There are  currently no  borrowings
outstanding under the Credit Agreement.
    

                                       27
<PAGE>
    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 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.

    The definition of Change of Control includes a phrase relating to the lease,
transfer or  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.

    "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.

    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'
    

                                       28
<PAGE>
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.

    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  any such indebtedness  of 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,

                                       29
<PAGE>
   
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
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 that 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 that has  become due solely by virtue  of an acceleration that has
been duly rescinded as provided above) or in respect of a covenant or  provision
of  the Indenture that 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,  other than as  set forth in  the next paragraph,  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  Indenture and the  Notes, (f) make any

                                       30
<PAGE>
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,
other than as  set forth in  the next  paragraph, 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 11  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.

    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 as 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, (f) 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 (g) 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 or repurchase. 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.

                                       31
<PAGE>
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 Bank of America
Illinois (as successor to 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.

    "Designated  Senior  Debt" means  any particular  Senior  Debt 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 be "Designated Senior Debt"  for
purposes  of 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 (including, but not
limited  to, any indebtedness secured by  a security interest, mortgage or other
lien on the assets of the Company that is (1) given to secure all or part of the
purchase price of property subject thereto, whether given to the vendor of  such
property  or to another, or (2) existing  on property at the time of acquisition
thereof), (b) evidenced by a note, debenture, bond or other written  instrument,
(c)  under a lease required to be capitalized on the balance sheet of the lessee
under GAAP  or  under  any  lease or  related  document  (including  a  purchase
agreement) that provides that the Company is contractually obligated to purchase
or  cause a  third party  to purchase and  thereby guarantee  a minimum residual
value of the lease  property to the  lessor and the  obligations of the  Company
under  such lease or related  document to purchase or to  cause a third party to
purchase such  leased  property, (d)  in  respect  of letters  of  credit,  bank
guarantees  or  bankers' acceptances  (including reimbursement  obligations with
respect to any of the foregoing), (e) with respect to Indebtedness secured by  a
mortgage,  pledge, lien, encumbrance, charge or adverse claim affecting title 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,  (f) in respect of  the
balance  of deferred and  unpaid purchase price  of any property  or assets, (g)
under  interest  rate  or  currency  swap  agreements,  cap,  floor  and  collar
agreements,  spot and forward contracts and similar agreements and arrangements;
(ii) with respect  to any  obligation of  others of  the type  described in  the
preceding clause (i) or under clause (iii) below assumed by or guaranteed in any
manner  by  such  person or  in  effect  guaranteed by  such  person  through an
agreement to purchase (including, without limitation, "take or pay" and  similar
arrangements), 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

                                       32
<PAGE>
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 GAAP.

    "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,  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, (x) Indebtedness of
the Company  to  any  Subsidiary  of  the Company  except  to  the  extent  such
Indebtedness  is  of  a type  described  in  clause (ii)  of  the  definition of
Indebtedness, (y) trade payables of the Company (other than, to the extent  they
may  otherwise constitute trade payables, any  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).

                                       33
<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

                                       34
<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.

                                       35
<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.......................................................   $    37,500,000
Donaldson, Lufkin & Jenrette Securities Corporation........................        37,500,000
Merrill Lynch, Pierce Fenner & Smith
          Incorporated.....................................................        37,500,000
Montgomery Securities......................................................        37,500,000
                                                                             -----------------
    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. The Underwriters may allow a concession not  in
excess  of 1.5% 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.

    The Underwriters will reimburse the Company for certain expenses relating to
the offering.

   
    Except for certain exceptions pertaining to certain employee benefit  plans,
outstanding  options  and  warrants  to  purchase  Common  Stock  and securities
convertible into Common Stock and the issuance of Common Stock as  consideration
in  an acquisition  of the stock  or assets  of another entity,  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 makers  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  Notes  have been  approved for  quotation 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."
    

                                       36
<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.

                                       37
<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......................................           8
Use of Proceeds...................................          14
Price Range of Common Stock and Dividend Policy...          14
Capitalization....................................          15
Selected Consolidated Financial Data..............          16
Business..........................................          18
Description of Notes..............................          22
Certain Federal Income Tax Considerations.........          34
Underwriting......................................          36
Legal Matters.....................................          37
Experts...........................................          37
</TABLE>
    

$150,000,000
   
   [LOGO]

8 1/4% CONVERTIBLE
SUBORDINATED NOTES
DUE 2005
    

SALOMON BROTHERS INC

DONALDSON, LUFKIN & JENRETTE
      SECURITIES CORPORATION

MERRILL LYNCH & CO.

MONTGOMERY SECURITIES

PROSPECTUS

   
DATED SEPTEMBER 7, 1995
    


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