PMC SIERRA INC
10-Q, 1997-11-12
SEMICONDUCTORS & RELATED DEVICES
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              ----------------------------------------------------

                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D. C. 20549
                                   Form 10 - Q

             [X] Quarterly Report Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                for the quarterly period ended September 30, 1997

                    [ ] Transition report pursuant to Section
                     13 or 15(d) of the Securities Exchange
                                  Act of 1934.

                        For the Transition Period From to

                         Commission File Number 0-19084

                                PMC-Sierra, Inc.
             (Exact name of registrant as specified in its charter)

                 A Delaware Corporation - I.R.S. NO. 94-2925073

                              105-8555 BAXTER PLACE
                       BURNABY, BRITISH COLUMBIA, V5A 4V7
                                     CANADA

                            Telephone (604) 415-6000

Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the preceding 12 months (or for such period that the  registrant was required to
file such reports), and (2) has been subject to such filing requirements for the
past 90 days.

                             Yes ___X____ No _______


          Common shares outstanding at September 30, 1997 - 29,653,061



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


<PAGE>



                                      INDEX


                                                                            Page

PART I - FINANCIAL INFORMATION

Item 1.      Financial Statements

             -    Consolidated condensed statements of operations             3

             -    Consolidated condensed balance sheets                       4

             -    Consolidated condensed statements of cash flows             5

             -    Notes to consolidated condensed financial statements        6

             -    RISK FACTORS                                                8

Item 2.      Management's Discussion and Analysis of Financial
                     Condition and Results of Operations                     16





PART II - OTHER INFORMATION

Item 6.      Exhibits and Reports on Form 8 - K                              24


<PAGE>

<TABLE>
                         Part I - FINANCIAL INFORMATION

                         Item 1 - Financial Statements

                                PMC-Sierra, Inc.
                 CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS
                  (In thousands, except for per share amounts)
                                   (unaudited)
<CAPTION>
                                                             Three Months Ended           Nine Months Ended
                                                         ---------------------------  ---------------------------
                                                            Sept 30,      Sept 30,      Sept 30,       Sept 30,
                                                              1997          1996          1997           1996

<S>                                                       <C>           <C>           <C>           <C>
Net Revenues                                              $    27,815   $    34,726   $    95,453   $    152,144

Cost of Revenues                                                6,058        20,936        25,522         80,400
                                                         -------------  ------------  ------------  -------------
     Gross profit                                              21,757        13,790        69,931         71,744

Other costs and expenses:
     Research and development                                   5,136         7,080        16,485         23,371
     In process research and development                            -         7,783             -          7,783
     Marketing, general and administrative                      5,735         7,406        18,650         24,913
     Restructure and other costs                                    -        64,670             -         64,670
                                                         -------------  ------------  ------------  -------------
Income (loss) from operations                                  10,886       (73,149)       34,796        (48,993)

Interest income, net                                              331            33           488            529
                                                         -------------  ------------  ------------  -------------
Income (loss) before provision for income taxes                11,217       (73,116)       35,284        (48,464)

Provision for income taxes                                      3,926           178        10,582          8,806
                                                         -------------  ------------  ------------  -------------

Net income (loss)                                        $      7,291   ($   73,294)   $   24,702   ($    57,270)
                                                         =============  ============  ============  =============

Net income (loss) per share                              $       0.22   ($     2.46)  $      0.76   ($      1.94)
                                                         =============  ============  ============  =============


Shares used in calculation of net income per share             33,188        29,782        32,486         29,456
                                                         =============  ============  ============  =============

     See accompanying notes to consolidated condensed financial statements.

</TABLE>

<PAGE>

<TABLE>

                                PMC-Sierra, Inc.
                      CONSOLIDATED CONDENSED BALANCE SHEETS
                                 (In thousands)
<CAPTION>

                                                                              Sept. 30,          Dec. 31,
                                                                                1997               1996
                                                                             (unaudited)

<S>                                                                        <C>               <C>
ASSETS:
Current assets:
     Cash and cash equivalents                                             $      22,358     $      35,038
     Short-term investments                                                       44,702             7,024
     Accounts receivable, net                                                     10,270            13,907
     Inventories                                                                   2,670             9,232
     Prepaid expenses and other current assets                                     3,578             3,104
                                                                           --------------    --------------
           Total current assets                                                   83,578            68,305

Property and equipment, at cost                                                   37,067            42,861
Accumulated depreciation and amortization                                        (19,792)          (26,183)
                                                                           --------------    --------------
                                                                                  17,275            16,678

Goodwill and other intangible assets, net                                          8,971            10,188
Investments and other assets                                                      10,513             7,623
Deposits for wafer fabrication capacity                                           27,120            27,120
                                                                           ==============    ==============
                                                                           $     147,457     $     129,914
                                                                           ==============    ==============

LIABILITIES AND SHAREHOLDERS' EQUITY:
Current liabilities:
     Accounts payable                                                      $       4,497    $        9,648
     Accrued liabilities                                                          11,275             9,546
     Accrued income tax                                                            6,371             4,050
     Accrued restructure costs                                                     6,138            16,754
     Deferred income                                                                 787                 -
     Short-term debt and current portion of obligations under
         capital leases and long-term debt                                         6,124             6,269
     Net liabilities of discontinued operations                                    1,087             1,600
                                                                           --------------    --------------
           Total current liabilities                                              36,279            47,867

Deferred income taxes                                                              2,645             2,741
Noncurrent obligations under capital leases and long-term debt                    17,331            18,368
Special shares of subsidiary convertible into PMC-Sierra common stock             10,837            12,494
                                                                           --------------    --------------
           Total Liabilities                                                      67,092            81,470
                                                                           --------------    --------------

Shareholders' equity:
     Common stock, par value of $0.001                                           142,539           135,320
     Accumulated deficit                                                         (62,174)          (86,876)
                                                                           --------------    --------------
           Total shareholders' equity                                             80,365            48,444
                                                                           --------------    --------------
                                                                           $     147,457     $     129,914
                                                                           ==============    ==============

     See accompanying notes to consolidated condensed financial statements.

</TABLE>

<PAGE>

<TABLE>
                                PMC-Sierra, Inc.
                 CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS
                                 (in thousands)
                                   (unaudited)
<CAPTION>

                                                                                         Nine Months Ended
                                                                                  ------------------------------
                                                                                      Sept 30,        Sept 30,
                                                                                        1997            1996
<S>                                                                               <C>            <C>
Cash flows from operating activities:
     Net income                                                                   $      24,702  $      (57,270)
     Adjustments to reconcile net income to net cash provided by
     operating activities:
         Depreciation and amortization                                                    6,280           8,675
         Acquisition of in process technology and development
              from purchase of net assets of BIT                                              -           7,783
         Loss related to restructure reserve                                                  -          69,370
         Changes in assets and liabilities
              Accounts receivable                                                         3,637           9,490
              Inventories                                                                 6,562         (21,110)
              Prepaid expenses and other                                                   (341)         (2,254)
              Accounts payable and accrued expenses                                        (411)         (9,671)
              Accrued restructuring costs                                               (10,616)           (690)
              Net assets/liabilities associated with discontinued operations               (513)         (1,707)
                                                                                  --------------  --------------
                  Net cash provided by operating activities                              29,300           2,616
                                                                                  --------------  --------------

Cash flows from investing activities:
     Proceeds from sales/maturities of short-term investments                            19,926          15,984
     Purchases of short-term investments                                                (57,604)        (18,949)
     Investments in other companies                                                      (3,000)         (3,000)
     Purchase of BIT assets, net of cash acquired                                             -              71
     Proceeds from sale of equipment                                                      2,515               -
     Purchases of plant and equipment                                                    (4,826)         (3,334)
                                                                                  --------------  --------------
                  Net cash used in investing activities                                 (42,989)         (9,228)
                                                                                  --------------  --------------

Cash flows from financing activities:
     Proceeds from payments of notes receivable                                               -              31
     Proceeds from issuance of long-term debt                                                 -             353
     Repayment of notes payable and long-term debt                                       (2,446)        (16,832)
     Proceeds from sale/leaseback of equipment                                            1,107               -
     Principal payments under capital lease obligations                                  (3,214)         (1,379)
     Proceeds from issuance of common stock                                               5,562           2,607
                                                                                  --------------  --------------
                  Net cash provided by (used in) financing activities                     1,009         (15,220)
                                                                                  --------------  --------------

Net decrease in cash and cash equivalents                                               (12,680)        (21,832)
Cash and cash equivalents, beginning of the period                                       35,038          41,933
                                                                                  ==============  ==============
Cash and cash equivalents, end of the period                                      $      22,358   $      20,101
                                                                                  ==============  ==============


     See accompanying notes to consolidated condensed financial statements.

</TABLE>




<PAGE>


                                PMC-SIERRA, INC.

              NOTES TO CONSOLIDATED CONDENSED FINANCIAL STATEMENTS

1.       The  accompanying  financial statements have been prepared  pursuant to
the rules and  regulations of the Securities  and Exchange  Commission.  Certain
information  and  footnote  disclosures  normally  included in annual  financial
statements prepared in accordance with generally accepted accounting  principles
have been  condensed  or omitted  pursuant  to those rules or  regulations.  The
interim  financial  statements are unaudited,  but reflect all adjustments which
are, in the opinion of  management,  necessary  to present a fair  statement  of
results for the interim periods presented.  These financial statements should be
read in conjunction  with the financial  statements and the notes thereto in the
Annual  Report (filed under the  company's  former name of Sierra  Semiconductor
Corporation)  on Form 10-K for the year ended  December 31, 1996. The results of
operations  for the three  and nine  months  ended  September  30,  1997 are not
necessarily indicative of results to be expected in future periods.

2.       On September 29, 1996 the Company recorded charges  of  $69,370,000  in
connection  with its  decision to exit from the modem  chipset  business and the
associated  restructuring of its non-networking product operations.  The charges
were  recorded  in 1996  in cost of  sales  as an  inventory  write-down  and as
operating   expenses  in  restructure  costs.  The  remaining  elements  of  the
restructuring  reserve as of  December  31, 1996 and  September  30, 1997 are as
follows:

Restructure Reserve:                                 Sept. 30,       Dec. 31,
                                                       1997            1996
                                                    (unaudited)

Employee termination payments                        $       321      $    4,574
Loss on supplier commitments and
   write-off of prepaid expenses                           3,646           8,594
Excess facility costs                                      1,889           3,003
Severance and closure costs related to Europe
                                                             282             583
                                                   -------------   -------------

                                                      $    6,138       $  16,754
                                                   =============   =============

Cash  expenditures  associated with the  restructuring  plan were  approximately
$10.6 million in the first nine months of 1997. Cash  expenditures in the fourth
quarter of 1997 are expected to be approximately  $2.0 million.  Subsequent cash
expenditures  related to the restructuring are expected to be approximately $4.1
million.


<PAGE>



3.       The components of inventories are as follows (in thousands):

                             Sept. 30,           Dec. 31,
                                1997                1996
                            (unaudited)

Work-in-progress              $    1,169          $    3,335
Finished goods                     1,501               5,897
                           -------------       -------------

                              $    2,670          $    9,232
                           =============       =============

4.       Recently Issued Accounting Standards

In February 1997, the Financial  Accounting  Standards Board issued Statement of
Financial  Accounting  Standards No. 128,  "Earnings per Share" (SFAS 128).  The
Company is required  to adopt SFAS 128 in the fourth  quarter of fiscal 1997 and
will  restate at that time  earnings  per share (EPS) data for prior  periods to
conform with SFAS 128.  Earlier application is not permitted.

SFAS 128  replaces  current  EPS  reporting  requirements  and  requires  a dual
presentation  of basic and  diluted  EPS.  Basic EPS  excludes  dilution  and is
computed by dividing net income available to common shareholders by the weighted
average of common shares  outstanding  for the period.  Diluted EPS reflects the
potential  dilution that could occur if  securities or other  contracts to issue
common stock were exercised or converted into common stock.

If SFAS 128 had been in effect during the current and prior year periods,  basic
EPS would have been $0.23 and ($2.40) for the quarters ended  September 30, 1997
and  1996,  respectively.  Diluted  EPS  under  SFAS 128  would  not  have  been
significantly different than primary EPS currently reported for the periods.

In June 1997, the Financial  Accounting  Standards  Board adopted  Statements of
Financial Accounting Standards No. 130 (Reporting  Comprehensive  Income), which
requires that an enterprise  report,  by major components and as a single total,
the change in its net assets  during the period from nonowner  sources;  and No.
131 (Disclosures about Segments of an Enterprise and Related Information), which
establishes annual and interim reporting standards for an enterprise's  business
segments and related disclosures about its products, services, geographic areas,
and major customers.  Adoption of these statements will not impact the Company's
consolidated  financial  position,  results of  operations  or cash flows.  Both
statements  are effective for fiscal years  beginning  after  December 15, 1997,
with earlier application permitted.





<PAGE>

RISK FACTORS

THE  COMPANY'S  BUSINESS,  FINANCIAL  CONDITION  AND RESULTS OF  OPERATIONS  ARE
SUBJECT TO A NUMBER OF RISKS,  SOME OF WHICH ARE DESCRIBED  BELOW. THE FACT THAT
SOME OF THE RISK  FACTORS  MAY BE THE SAME OR SIMILAR TO THOSE IN THE  COMPANY'S
PAST SEC FILINGS MEANS ONLY THAT THE RISKS ARE PRESENT IN MULTIPLE PERIODS.  THE
COMPANY BELIEVES THAT MANY OF THE RISKS DETAILED HERE AND IN THE COMPANY'S OTHER
SEC FILINGS ARE PART OF DOING BUSINESS IN THE FABLESS  NETWORKING  SEMICONDUCTOR
INDUSTRY  AND WILL  LIKELY BE PRESENT  IN ALL  PERIODS  REPORTED.  THE FACT THAT
CERTAIN  RISKS ARE ENDEMIC TO THE INDUSTRY DOES NOT LESSEN THE  SIGNIFICANCE  OF
THE RISK.

SPECIAL NOTE ON FORWARD-LOOKING STATEMENTS

Certain statements in this Report constitute "forward-looking statements" within
the meaning of the federal securities laws. The actual results,  performance, or
achievements of the Company may be materially  different from those expressed or
implied by such  forward-looking  statements.  Reference to the Company includes
its  subsidiary   PMC-Sierra,   Ltd.,  a  Canadian  corporation  and  its  other
subsidiaries.  The forward-looking  statements include  projections  relating to
trends in markets,  revenues,  particularly  expectations of long-term revenues,
gross margin,  and future  expenditures on research and development,  marketing,
general  and  administrative  expense  and the  Year  2000  issue.  The  Company
undertakes no obligation to release revisions to  forward-looking  statements to
reflect subsequent events.


FLUCTUATIONS IN OPERATING RESULTS

The Company's quarterly and annual operating results may vary due to a number of
factors,  including,  among  others,  the timing of new  product  introductions,
decreased  demand or average selling prices for products,  market  acceptance of
products,  demand for products of the Company's  customers,  the introduction of
products or technologies by the Company's  competitors,  competitive pressure on
product  pricing,  the  Company's  and its  customers'  inventory  levels of the
Company's products,  product availability from outside foundries,  variations in
manufacturing  yields for the Company's  products,  expenditures for new product
and  process  development,  the  acquisition  of  wafer  fabrication  and  other
manufacturing   capacity,  and  the  acquisition  of  businesses,   products  or
technologies.  At various  times in the past,  the  Company's  foundry and other
suppliers have  experienced  lower than  anticipated  yields that have adversely
affected production and,  consequently,  the Company's operating results.  There
can be no  assurance  that the  Company's  existing or future  foundry and other
suppliers will not experience irregularities which could have a material adverse
effect on the  Company's  operating  results.  The Company from time to time may
order in advance of anticipated  customer  demand from its suppliers in response
to anticipated  long lead times to obtain  inventory and materials,  which might
result in excess  inventory  levels if expected  orders fail to  materialize  or
other  factors  render the  Company's  product or its  customer's  products less
marketable. The Company's visibility on sales of networking chips is limited due

<PAGE>

to customer uncertainty regarding future demand for end-user networking products
and price competition in the market for networking. Any delay or cancellation of
existing  orders,  or any decline in projected  future orders,  by the Company's
customers  could  have a  material  adverse  effect on the  Company's  operating
results.  Margins will vary  depending  on product mix. In the longer term,  the
Company may  experience  declining  gross  profits as a percentage  of total net
revenues  if  anticipated  decreases  in  average  selling  prices  of  existing
networking products are not offset by commensurate  reductions in product costs,
or by an offsetting  increase in gross profit contribution from new higher gross
margin networking products. The Company's operating results also are affected by
the state and  direction  of the  electronics  industry  and the  economy in the
United States and other  markets the Company  serves.  The  Company's  operating
results  could  also  be  adversely  affected  if  restructuring   reserves  are
insufficient for the costs of discontinuing operations. The occurrence of any of
the  foregoing  or other  factors  could have a material  adverse  effect on the
Company's  operating  results.  Due to these  factors,  past  results may not be
indicative of future results.


TECHNOLOGICAL CHANGE

The markets for the Company's  products are  characterized by evolving  industry
standards,  rapid technological change and product  obsolescence.  Technological
change  may  be   particularly   pronounced  in  the   developing   markets  for
communications  semiconductor devices used in high-speed networks. The Company's
future  success  will  be  highly  dependent  upon  the  timely  completion  and
introduction of new products at competitive  price and performance  levels.  The
success  of new  products  depends  on a number  of  factors,  including  proper
definition  of such  products,  successful  and  timely  completion  of  product
development and introduction to market, correct judgment with respect to product
demand,  market  acceptance  of  the  Company's  and  its  customers'  products,
fabrication  yields by the  Company's  independent  foundries  and the continued
ability of the Company to offer  innovative new products at competitive  prices.
Many of these  factors are outside the control of the  Company.  There can be no
assurance  that the Company will be able to identify  new product  opportunities
successfully,  develop and bring to market new products,  achieve design wins or
be  able  to  respond  effectively  to  new  technological  changes  or  product
announcements  by others.  A failure in any of these areas would  materially and
adversely affect the Company's operating results.

The Company's  current  strategy is focused on high-speed  networking  interface
chips. Products for telecommunications and data communications  applications are
based on industry standards that are continually evolving. Future transitions in
customer  preferences could quickly obsolete the Company's products.  A material
part of the  Company's  products are in the  Asynchronous  Transfer Mode ("ATM")
telecommunications  and  networking  market,  which  is in  an  early  stage  of
development.  The emergence and adoption of new industry  standards that compete
with ATM or  maintenance  by the  industry of existing  standards in lieu of new
standards could render the Company's ATM products unmarketable or obsolete.  The
market for ATM equipment has not developed as rapidly as industry observers have
predicted,  and alternative networking technologies such as "fast ethernet" have
developed to meet consumer requirements.  A substantial portion of the Company's
development efforts are focused on ATM and related products.  A material portion

<PAGE>

of the Company's revenues and a substantial portion of the Company's profits are
derived from sales of ATM,  T1/E1,  DS3/E3 and  SONET/SDH  based  products.  Net
revenues  derived from sales of ATM, T1/E1,  DS3/E3 and SONET/SDH based products
amounted  to 33% and 64% of the  Company's  total net  revenues  in 1996 and the
first nine months of 1997,  respectively.  The gross  profit  derived from those
products amounted to 50% and 70% of the Company's total gross profit in 1996 and
the  first  nine  months of 1997,  respectively.  Revenues  from  non-networking
products have declined significantly over the last several quarters,  making the
Company's results depend primarily on networking products.

The  Company  acquired   in-process   research  and  development  and  developed
technology  relating to ethernet  switching in September 1996. During the second
quarter of 1997,  the Company  announced a 100 Mbit/s fast ethernet  switch on a
chip and an 8-port,  10 Mbit/s  ethernet switch chip.  Other Ethernet  switching
chips remain in  development.  Ethernet  switching is a new product area for the
Company and there can be no  assurance  that  announced  products or products in
development will have correctly anticipated the needs of the networking industry
or that they will receive sufficient design wins to achieve commercial success.

Many of the  Company's  products  under  development  are complex  semiconductor
devices that  require  extensive  design and testing  before  prototypes  can be
manufactured.  The integration of a number of functions in a single chip or in a
chipset  requires the use of advanced  semiconductor  manufacturing  techniques.
This can  result  in chip  redesigns  if the  initial  design  does  not  permit
acceptable  manufacturing  yields. The Company's products are often designed for
customers  who in many  instances  have not yet  fully  defined  their  hardware
products.  Design  delays or  redesigns by these  customers  could in turn delay
completion or require redesign of the semiconductor devices needed for the final
hardware product.  In this regard,  many of the relevant standards and protocols
for products based on high speed  networking  technologies  have not been widely
adopted or ratified by the relevant standard-setting bodies. Redesigns or design
delays often are required for both the hardware  manufacturer's products and the
Company's  chips  as  industry  and  customer  standards,  protocols  or  design
specifications  are  determined.  Any resulting  delay in the  production of the
Company's  products  could  have a  material  adverse  effect  on the  Company's
operating results.


COMPETITION

The  semiconductor  industry is intensely  competitive and is  characterized  by
rapid technological  change and by price erosion. The industry consists of major
domestic  and  international   semiconductor  companies,   many  of  which  have
substantially  greater financial and other resources than the Company.  Emerging
companies  also  provide   significant   competition  in  this  segment  of  the
semiconductor   market.  The  Company  believes  that  its  ability  to  compete
successfully  in this market  depends on a number of factors,  including,  among
others, the price, quality and performance of the Company's and its competitors'
products,  the timing and success of new product  introductions  by the Company,
its  customers  and  its  competitors,  the  emergence  of  new  standards,  the
development   of  technical   innovations,   the  ability  to  obtain   adequate
manufacturing  capacity,  the  efficiency of  production,  the rate at which the
Company's  customers  design the  Company's  products into their  products,  the
number and nature of the Company's  competitors in a given market, the assertion
of the Company's and its competitors'  intellectual  property rights and general
market and economic conditions.

<PAGE>

The  Company's   competitors  in  this  market  include,   among  others,  Texas
Instruments,   Level   One   Communications,    Lucent   Technologies,    Dallas
Semiconductor,  Galileo Technology,  MMC Networks,  Integrated Device Technology
and  Transwitch.  The number of  competitors  in this market and the  technology
platforms on which their  products will compete may change in the future.  It is
likely that over the next few years additional competitors will enter the market
with  new  products.  These  new  competitors  may  have  substantially  greater
financial and other resources than the Company.  Competition among manufacturers
of  semiconductors  like the Company's  products  typically occurs at the design
stage, where the customer  evaluates  alternative design approaches that require
integrated  circuits.  Because of shortened  product  life cycles and  design-in
cycles in certain of the Company's customers products, the Company's competitors
have  increasingly  frequent  opportunities  to  achieve  design  wins  in  next
generation systems. Any success by the Company's  competitors in supplanting the
Company's  products  would  have a  material  adverse  effect  on the  Company's
operating results.


ACCESS TO WAFER FABRICATION AND OTHER MANUFACTURING CAPACITY

The Company does not own or operate a wafer fabrication facility, and all of its
semiconductor   device   requirements   are   supplied  by  outside   foundries.
Substantially  all  of  the  Company's   semiconductor  products  are  currently
manufactured by third party foundry  suppliers.  The Company's foundry suppliers
fabricate products for other companies and produce products of their own design.
The  Company's  reliance on  independent  foundries  involves a number of risks,
including  the  absence  of  adequate   capacity,   the   unavailability  of  or
interruptions in access to certain process technologies and reduced control over
delivery  schedules,  manufacturing  yields and  costs.  In the event that these
foundries  are unable or  unwilling  to continue to  manufacture  the  Company's
products in required  volumes,  the  Company  will have to identify  and qualify
acceptable additional or alternative foundries. This qualification process could
take six months or longer.  No assurance can be given that any such source would
become  available  to the Company or that any such source would be in a position
to satisfy the Company's  production  requirements in a timely basis, if at all.
Any  significant  interruption  in the supply of  semiconductors  to the Company
would result in the  allocation  of products to  customers,  which in turn could
have a material adverse effect on the Company's operating results.

All of the Company's  semiconductor  products are assembled by sub-assemblers in
Asia.  Shortages of raw materials or disruptions in the provision of services by
the  Company's  assembly  houses or other  circumstances  that would require the
Company to seek  additional or  alternative  sources of supply or assembly could
lead to supply constraints or delays in the delivery of the Company's  products.
Such  constraints or delays may result in the loss of customers or other adverse
effects  on  the  Company's   operating  results.   The  Company's  reliance  on
independent assembly houses involves a number of other risks,  including reduced
control over delivery  schedules,  quality assurances and costs and the possible
discontinuance  of such  contractors'  assembly  processes.  Any supply or other
problems  resulting from such risks would have a material  adverse effect on the
Company's operating results.

<PAGE>

CUSTOMER CONCENTRATION

The Company has no long-term  volume purchase  commitments from any of its major
customers. In 1996 two modem and graphic board manufacturers,  each, represented
approximately  11% of the  Company's net  revenues.  In 1995 and 1996,  sales to
Apple Computer, Inc. represented 24% and 10%, respectively, of net revenues. Due
to the  Company's  exit from the modem  chipset  business,  and its  decision to
discontinue  investment  in its  graphics and other  non-networking  businesses,
these customers are not expected to be significant  customers in the future. The
Company's  networking  products are sold to networking  equipment  manufacturers
such  as  Cisco   Systems,   Inc.  and  Lucent   Technologies   Inc.,  or  their
subcontractors.

The  reduction,  delay or  cancellation  of orders from one or more  significant
customers could materially and adversely affect the Company's operating results.
Due to the relatively  short product life cycles in the  telecommunications  and
data communications markets, the Company's operating results would be materially
and  adversely  affected  if one or more of its  significant  customers  were to
select devices manufactured by one of the Company's competitors for inclusion in
future product generations. There can be no assurance that the Company's current
customers  will  continue  to place  orders  with the  Company,  that  orders by
existing  customers will continue at the levels of previous  periods or that the
Company will be able to obtain orders from new customers. Loss of one or more of
the  Company's  current  customers or a disruption  in the  Company's  sales and
distribution  channels  could  materially  and  adversely  affect the  Company's
operating results.


INTERNATIONAL OPERATIONS

In  fiscal  years  1996,  1995  and  1994,  international  sales  accounted  for
approximately 53%, 39% and 38% of the Company's net revenues,  respectively. The
Company's  networking  products are designed to accommodate  numerous  worldwide
communications  standards and sales to US based customers are often for products
that they in turn export worldwide. The Company expects that international sales
will  continue to  represent a  significant  portion of its net revenues for the
foreseeable future. The majority of the Company's  development,  test, marketing
and administrative functions occur in Canada. In addition,  substantially all of
the Company's  products are  manufactured,  assembled and tested by  independent
third  parties  in  Asia.  Due  to  its  reliance  on  international  sales  and
operations,  the Company is subject to the risks of conducting  business outside
of the United States.  These risks include unexpected changes in, or impositions
of,  legislative or regulatory  requirements  and policy  changes  affecting the
telecommunications  and  data  communications  markets,  delays  resulting  from
difficulty in obtaining export licenses for certain technology, tariffs, quotas,
exchange rates and other trade barriers and restrictions, longer payment cycles,
greater difficulty in accounts receivable collection, potentially adverse taxes,
the burdens of complying with a variety of foreign laws and other factors beyond
the Company's control. The Company is also subject to general geopolitical risks
in connection with its international operations,  such as political,  social and

<PAGE>

economic instability,  potential hostilities and changes in diplomatic and trade
relationships.  Sales of the Company's  networking  products are  denominated in
U.S. dollars as are costs related to the manufacture and assembly of products by
the Company's  Asian  suppliers.  Costs related to the majority of the Company's
development,  test,  marketing and  administrative  functions are denominated in
Canadian dollars. Selling costs are denominated in a variety of currencies. As a
result, the Company is subject to the risks of currency fluctuations.  There can
be no  assurance  that  one or more of the  foregoing  factors  will  not have a
material adverse effect on the Company's operating results.


DEPENDENCE ON KEY PERSONNEL

The  Company's  success  depends  to a  significant  extent  upon the  continued
services of its key technical  personnel,  particularly  those highly skilled at
the  design  and  test  functions  involved  in the  development  of high  speed
networking products and related software.  The competition for such employees is
intense.  The  Company  has no  employment  agreements  in place  with these key
personnel.  However, the Company from time to time issues shares of Common Stock
or options to purchase  Common Stock of the Company  subject to vesting.  To the
extent  shares  purchased  from or options  granted by the Company have economic
value,  these  securities  could create  retention  incentives.  The loss of the
services of one or more of these key personnel, and any difficulties the Company
may experience in hiring qualified replacements,  would materially and adversely
affect the Company's operating results.


PATENTS AND PROPRIETARY RIGHTS

The  Company's  ability to compete is  affected  by its  ability to protect  its
proprietary  information.  The  Company  relies  on a  combination  of  patents,
trademarks,  copyrights,  trade  secret  laws,  confidentiality  procedures  and
licensing  arrangements to protect its intellectual property rights. The Company
currently holds several patents and has a number of pending patent applications.
There can be no assurance  that patents will be issued from any of the Company's
pending  applications or that any claims allowed will be of sufficient  scope or
strength,  or be issued in all  countries  where the  Company's  products can be
sold,  to provide  meaningful  protection  or any  commercial  advantage  to the
Company.  In addition,  competitors  of the Company may be able to design around
the  Company's  patents.  The laws of  certain  foreign  countries  in which the
Company's  products are or may be  developed,  manufactured  or sold,  including
various   countries  in  Asia,  may  not  protect  the  Company's   products  or
intellectual  property  rights to the same  extent as do the laws of the  United
States and thus make the  possibility of piracy of the Company's  technology and
products  more  likely.  There can be no  assurance  that the steps taken by the
Company to protect  its  proprietary  information  will be  adequate  to prevent
misappropriation  of its technology or that the Company's  competitors  will not
independently develop technologies that are substantially equivalent or superior
to the Company's technology.

The semiconductor  industry is characterized by vigorous  protection and pursuit
of intellectual property rights or positions, which have resulted in significant
and often protracted and expensive  litigation.  The Company or its customers or
foundries have in the past, and may from time to time in the future, be notified
of claims  that the  Company  may be  infringing  patents or other  intellectual

<PAGE>

property  rights owned by third  parties.  If it is necessary or desirable,  the
Company may seek licenses under patents or intellectual  property rights.  There
can be no  assurance  that  licenses  will be available or that the terms of any
offered  license  will be  acceptable  to the  Company.  The failure to obtain a
license from a third party for  technology  used by the Company  could cause the
Company to incur  substantial  liabilities  and to suspend  the  manufacture  of
products or the use by the Companys' foundry suppliers requiring the technology.
In the past, the Company's  customers have been required to obtain licenses from
and pay  royalties to third  parties for the sale of systems  incorporating  the
Company's  semiconductor  devices.  If this occurs in the future, the customers'
businesses may be materially and adversely affected,  which in turn would have a
material adverse effect on the Company's  operating results.  Customers may also
request indemnity by the Company.  Providing indemnification could be expensive,
and denying it could  adversely  effect  customer  relations.  Furthermore,  the
Company may initiate claims or litigation against third parties for infringement
of  the  Company's  proprietary  rights  or to  establish  the  validity  of the
Company's proprietary rights.  Litigation by or against the Company could result
in  significant  expense to the Company and divert the efforts of the  Company's
technical and management personnel,  whether or not such litigation results in a
favorable  determination  for the Company.  In the event of an adverse result in
any such litigation,  the Company could be required to pay substantial  damages,
cease the manufacture,  use and sale of infringing  products,  spend significant
resources to develop non-infringing  technology,  discontinue the use of certain
processes  or obtain  licenses  to the  infringing  technology.  There can be no
assurance that the Company would be successful in such  development or that such
licenses  would  be  available  on  reasonable  terms,  or at all,  and any such
development or license could require  expenditures by the Company of substantial
time and other  resources.  Patent disputes in the  semiconductor  industry have
often been settled  through  cross-licensing  arrangements.  Because the Company
currently does not have a substantial  portfolio of patents, the Company may not
be able to settle an alleged patent infringement claim through a cross-licensing
arrangement.  Any  successful  third  party  claim  against  the  Company or its
customers for patent or intellectual property infringement would have a material
adverse effect on the Company's operating results.


ACQUISITIONS

The  Company's  strategy  may  involve,  in  part,   acquisitions  of  products,
technologies or businesses from third parties. Identifying and negotiating these
acquisitions  may divert  substantial  management  time away from the  Company's
operations.  An  acquisition  could absorb  substantial  cash  resources,  could
require the Company to incur or assume debt  obligations,  or could  involve the
issuance  of  additional  equity  securities  of the  Company.  The  issuance of
additional  equity  securities  could  dilute,  and could  represent an interest
senior to the rights of, then outstanding  common stock. An acquisition which is
accounted  for as a  purchase,  like  the  acquisition  of PMC in  1994  and the
acquisition  of  certain  assets  of  Bit  in  September  1996,   could  involve
significant one-time non-cash write-offs,  and could involve the amortization of
goodwill over a number of years,  which would adversely affect earnings in those
years. Any acquisition will require  attention from the Company's  management to
integrate  the acquired  entity into the Company's  operations,  may require the
Company to develop expertise  outside its existing  businesses and may result in
departures  of management of the acquired  entity.  An acquired  entity may have
unknown liabilities, and its business may not achieve the results anticipated at
the time of the acquisition.

<PAGE>

FUTURE CAPITAL NEEDS

The  Company  must  continue to make  significant  investments  in research  and
development  as well as  capital  equipment  and  expansion  of  facilities  for
networking  products.  The Company's future capital  requirements will depend on
many factors,  including,  among others,  product  development,  investments  in
working  capital,  and  acquisitions of  complementary  businesses,  products or
technologies.  To the extent that  existing  resources  and future  earnings are
insufficient  to fund the  Company's  operations,  the Company may need to raise
additional  funds  through  public  or  private  debt or equity  financings.  If
additional  funds are raised  through  the  issuance of equity  securities,  the
percentage  ownership  of current  shareholders  will be reduced and such equity
securities  may have rights,  preferences  or privileges  senior to those of the
holders of the Company's Common Stock. No assurance can be given that additional
financing  will be available or that, if available,  it can be obtained on terms
favorable  to the  Company  and its  shareholders.  If  adequate  funds  are not
available,  the Company may be required to delay, limit or eliminate some or all
of its proposed operations.

The Company  has  available a line of credit with a bank under which the Company
may borrow up to $10  million.  The  agreement  expires on  November  30,  1997.
Advances  made  under the line will be fully  secured by cash  deposited  by the
Company.  The agreement requires the Company to maintain,  on a quarterly basis,
minimum cash equal to three times the then current outstanding principal balance
of the term loan. The agreement prohibits dividend payments,  without the bank's
prior written consent,  and other major transactions except that the Company may
(i) acquire other companies, using up to $1 million in cash, (ii) enter into off
balance sheet equipment leases, not to exceed $15 million in the aggregate,  and
(iii) issue convertible securities with subordination provisions satisfactory to
the bank.


VOLATILITY OF STOCK PRICE

Factors such as announcements of the introduction of new products by the Company
or its competitors, quarterly fluctuations in the Company's financial results or
the financial  results of other  semiconductor  companies or of companies in the
personal computer industry, general conditions in the semiconductor industry and
conditions in the worldwide  financial markets have in the past caused the price
of the Common Stock to fluctuate substantially,  and may do so in the future. In
addition, the recent increases in the Company's stock price and expansion of its
price-to-earnings  multiple may have made it  attractive  to so-called  momentum
investors.  Momentum investors are generally thought to shift funds into and out
of stocks rapidly exacerbating price fluctuations in either direction. The price
of the  Company's  stock  may also be  impacted  by  investor  sentiment  toward
technology  stocks,  in  general,  which  often is  unrelated  to the  operating
performance of a specific company.

<PAGE>

YEAR 2000 COMPUTER SYSTEMS ISSUES

The  Company  is aware of the  issues  associated  with the  limitations  of the
programming code in many existing computer systems, whereby the computer systems
may not properly  recognize date sensitive  information as the millennium  (year
2000) approaches.  Systems that do not properly recognize such information could
generate erroneous data or cause a system to fail. The Company uses commercially
available   standard   software  for  its  critical   operating   and  financial
applications.  One vendor of software used by the Company is still modifying its
code to become year 2000 compliant and anticipates  completion early in 1998. If
the vendor does not successfully  modify its code the Company could be forced to
purchase a competing  system that is year 2000 compliant and incur  installation
and other costs.




<PAGE>


Item 2.        MANAGEMENT'S DISCUSSION AND ANALYSIS OF
               FINANCIAL CONDITION AND RESULTS OF OPERATIONS

Results of Operations

Third Quarters of 1997 and 1996

Net Revenues
- ------------
                                       Third                      Third
                                      Quarter                    Quarter
                                       1997         Change        1996
                                       ----         ------        ----

Net revenues ($000,000)
   Networking products                 $24.0          50%         $16.0
   User interface - other               $3.8         (70%)        $12.7
   User interface - modem               $0.0        (100%)         $6.0
                                      ------        ------         ----
   Total net revenues                  $27.8         (20%)        $34.7

Third quarter networking revenues were $24.0 million, up 50% from the prior year
third quarter.  The decline in overall  revenues was due to a reduction of sales
of non-networking  products from $18.7 million to $3.8 million, in line with the
Company's  third  quarter  1996  strategic  decision  to exit the modem  chipset
business, restructure its non-networking business and to focus on its networking
semiconductor business.

The Company has disposed of its modem  chipset  inventory and  consolidated  the
account  servicing  of its User  interface  - other  products  into the  ongoing
networking  semiconductor group. In the near term, the Company expects a limited
amount of revenue  from User  interface - other  products to  continue,  but the
decision to eliminate all further  development of follow-on products is expected
to  result  in  these  products  being  discontinued  as each  current  customer
completes its next product redesign.

Third quarter  networking  revenue increased 13% over the second quarter of 1997
while second quarter revenue was 37% over the first quarter of 1997. The Company
believes that in the latter part of 1996 certain of its customers  reduced their
inventory levels of the Company's  networking  products in response to shortened
lead times from the Company's foundry suppliers and conditions in the customer's
own end  markets.  The  Company  believes  that the  sequential  revenue  growth
experienced in the second quarter and to a lesser extent the growth  experienced
in the third quarter was partially related to refilling channel  inventory.  The
Company's   customers  have  both  increased  and  reduced  their  inventory  of
networking  semiconductors  in the past and are expected to continue to do so in
the  future.   Networking   semiconductor   revenue  is  not  expected  to  grow
significantly  in the near term.  In the longer  term,  the Company  expects the
growth of its networking  products  revenue will be most strongly  influenced by
demand for its  customers'  networking  products and acceptance of the Company's
own new product offerings by its customers. Because the Company is a supplier to
a dynamic and changing  industry,  the Company expects to see future variations,
when viewed from a quarterly  results  perspective,  around its long term growth
rate similar to the variations it has experienced in the past two years.

<PAGE>

Gross Profit
- ------------
                                                  Third                  Third
                                                 Quarter                Quarter
                                                  1997      Change       1996
                                                  ----      ------       ----

Gross profit ($000,000)
   Networking products                           $19.9        70%       $11.7
   Percentage of networking  net revenues          83%                   73%

User interface products                           $1.9       (10%)       $2.1
   Percentage of user interface  net revenues      49%                   11%

Total gross profit                               $21.8        58%       $13.8
   Percentage of net revenues                      78%                   40%

Total gross profit  increased as a result of  increased  sales of the  Company's
networking  products  at lower  production  costs  than in the prior  year.  The
decrease in user interface  gross profit was related to a substantial  reduction
in revenues,  partially offset by an improvement in gross margin. User interface
gross  profit  in the  third  quarter  of 1996  was  reduced  by a $4.7  million
inventory  charge  related to the  Company's  decision to exit the modem chipset
business.

Gross profit in absolute dollars and as percentage of net revenues  increased as
the mix of higher margin networking  products increased as a percentage of total
net  revenues,  and as the costs of wafers were  reduced over the same quarter a
year ago.

In the longer term,  the Company may  experience  declining  gross  profits as a
percentage of net revenues if anticipated decreases in average selling prices of
existing  networking  products  are not  offset by  commensurate  reductions  in
production costs, or by an offsetting increase in gross profit contribution from
new higher gross margin networking products.

Operating Expenses and Charges ($000,000)
- -----------------------------------------
                                               Third                  Third
                                              Quarter                Quarter
                                               1997      Change       1996
                                               ----      ------       ----

Research and development                        $5.1      (27%)       $7.1
Percentage of net revenues                       18%                   20%

Marketing, general & administrative             $5.7      (23%)       $7.4
Percentage of net revenues                       21%                   21%

Research  and  development  expenses  decreased  primarily  due to  decreases in
research and development personnel in user interface products as a result of the
third quarter 1996  restructuring  of the Company's  non-networking  operations,
offset partially by significant  increases in research and development  spending
and personnel in the Company's  networking  product lines.  All of third quarter
research and development  spending relates to networking  products.  The Company
expects research and development spending on its networking products to increase
in absolute dollars.

<PAGE>

Marketing,  general and  administrative  expenses also declined primarily due to
the  reduction in expenses and personnel  resulting  from the third quarter 1996
restructuring.  The Company's marketing,  general and administrative expense now
relates to the Company's networking business.

Acquisition and Restructuring Charges
- -------------------------------------

No  acquisition or  restructuring  charges were incurred in the third quarter of
1997. The comparable  period of 1996 included a write-off of $7.8 million for in
process  research and  development  related to the  acquisition  of the ethernet
switching  assets,  intellectual  property  and certain  other  assets from Bit,
Incorporated.  In the third quarter of 1996 the Company recorded a $64.7 million
charge to operating  expenses relating to its decision to exit the modem chipset
business and restructure its other non-networking  products. The Company expects
to record  any  required  adjustment  to the  charges  taken to  accomplish  the
restructuring  in the fourth  quarter  of 1997.  Significant  items  still to be
completed in the  restructuring  relate to the disposal of the  remaining  fixed
assets not required for the  Company's  networking  products  business,  and the
disposal of the San Jose,  California  leased  facility  previously used for its
non-networking and headquarters operations. The Company believes that the charge
taken  in  the  third   quarter  of  1996  will  be  adequate  to  complete  the
restructuring.

Interest Income (Expense), Net
- ------------------------------

Net  interest  income  increased  to $331,000 in the third  quarter of 1997 from
$33,000 in the comparable period last year primarily due to higher cash balances
available to invest and earn interest.

Provision for Income Taxes
- --------------------------

The provision for income taxes consists primarily of estimated taxes on Canadian
and other foreign operations.


First Nine Months of 1997 and 1996

Net Revenues
- ------------
                                          First                      First
                                       Nine Months                Nine Months
                                          1997        Change         1996
                                          ----        ------         ----

Net revenues ($000,000)
   Networking products                    $60.8         22%          $49.7
   User interface - other                 $28.8        (43%)         $50.7
   User interface - modem                  $5.9        (89%)         $51.7
                                           ----        -----         -----
   Total net revenues                     $95.5        (37%)        $152.1

<PAGE>

The decrease in the  Company's  total net revenues was due to a decline in sales
of user interface products, primarily modem chipset products and graphics chips,
in connection  with the Company's  decision to exit the modem chipset  business,
restructure its non-networking business and to focus on its networking business.
Partially  offsetting  these  sales  reductions  was  growth  in the sale of the
Company's networking-related products.

Gross Profit
- ------------
                                                 First                  First
                                              Nine Months            Nine Months
                                                 1997       Change       1996
                                                 ----       ------       ----

Gross profit ($000,000)
   Networking products                           $48.8        33%        $36.7
   Percentage of networking  net revenues          80%                     74%

   User interface products                       $21.1       (40%)       $35.0
   Percentage of user interface net revenues       61%                     34%

Total gross profit                               $69.9        (3%)       $71.7
   Percentage of net revenues                      73%                     47%

Total gross profit  decreased as a result of lower  revenue  during this period.
Gross  profit as a  percentage  of net  revenues  increased as the mix of higher
gross  margin  networking  products  increased  as a  percentage  of  total  net
revenues,  and as the costs of wafers  were  reduced in the first nine months of
1997  compared  to the same  period in the prior  year.  Gross  profits  on user
interface products, which includes the gross profits for modem sales, as well as
the gross profits on sales from other non-networking  products, were higher than
historical  levels due to the sales and cost of sales of modem  inventories.  In
establishing  its  reserve  for the  write  down of its modem  inventories,  the
Company took into account both the costs of completion and disposal in revaluing
the inventory to the lower of cost or market.  The higher amount of gross profit
recognized  during the first half of 1997 and  included in the first nine months
of 1997 results  represents the amount necessary to cover the relatively  higher
period expenses incurred relating to the disposal effort. There was no operating
profit recognized from the sale of modem products.

Operating Expenses and Charges ($000,000)
- -----------------------------------------
                                            First                    First
                                         Nine Months              Nine Months
                                            1997        Change       1996
                                            ----        ------       ----

Research and development                   $16.5         (29%)      $23.4
Percentage of net revenues                   17%                      15%

Marketing, general & administrative        $18.7         (25%)      $24.9
Percentage of net revenues                   20%                      16%

<PAGE>

Research  and  development  expenses  decreased  primarily  due to  decreases in
research and development personnel in user interface products as a result of the
third quarter 1996  restructuring  of the Company's  non-networking  operations,
offset partially by significant  increases in research and development  spending
and personnel in the Company's networking product lines.

Marketing,  general and  administrative  expenses also declined primarily due to
the  reduction in expenses and personnel  resulting  from the third quarter 1996
restructuring,  offset  partially  by  increases  in  expenses  related  to  the
Company's networking product lines.

Acquisition and Restructuring Charges
- -------------------------------------

No acquisition or  restructuring  charges were incurred in the first nine months
of 1997. The comparable  period of 1996 included a write-off of $7.8 million for
in process  research and development  related to the acquisition of the ethernet
switching  assets,  intellectual  property  and certain  other  assets from Bit,
Incorporated.  In the third quarter of 1996 the Company recorded a $64.7 million
charge to operating  expenses relating to its decision to exit the modem chipset
business and restructure its other non-networking  products. The Company expects
to record  any  required  adjustment  to the  charges  taken to  accomplish  the
restructuring  in the fourth  quarter  of 1997.  Significant  items  still to be
completed in the  restructuring  relate to the disposal of the  remaining  fixed
assets not required for the  Company's  networking  products  business,  and the
disposal of the San Jose,  California  leased  facility  previously used for its
non-networking and headquarters operations. The Company believes that the charge
taken  in  the  third   quarter  of  1996  will  be  adequate  to  complete  the
restructuring.

Interest Income (Expense), Net ($000,000)
- -----------------------------------------
                                           First                      First
                                        Nine Months                Nine Months
                                           1997        Change         1996
                                           ----        ------         ----

Interest income (expense), net             $0.5         (8%)          $0.5
Percentage of net revenues                 0.5%                       0.3%

Net  interest  income is  comprised  primarily  of interest  income and interest
expense. Net interest income declined from $529,000 in the third quarter of 1996
to $488,000 in the third quarter of 1997.

Provision for Income Taxes
- --------------------------

The provision for income taxes consists primarily of estimated taxes on Canadian
and other foreign  operations.  U.S. taxes in the first nine months of 1997 were
reduced  by the  utilization  of the  current  portion of net  operating  losses
associated with the third quarter 1996  restructure  charge.  The actual results
will be dependent upon the revenue and profits of the various legal entities and
product lines.

<PAGE>

Liquidity and Capital Resources
- -------------------------------

The Company's cash and cash  equivalents  and short term  investments  increased
from $42.1  million on December 31, 1996 to $67.1 million on September 30, 1997.
The increase was  primarily  attributable  to net income of $24.7 million in the
first nine months of 1997. Sources of cash from operating  activities other than
net income were a $6.6 million decrease in inventories, $6.3 million of non-cash
depreciation,   and  $3.6  million  decrease  in  accounts   receivable.   Other
non-operating sources of cash included $5.6 million of proceeds from issuance of
common stock  (principally under the Company's stock option and purchase plans),
$1.1 million from sale/leaseback  transactions and $2.5 million from the sale of
excess  non-networking  fixed assets. Uses of cash for operations included $10.6
million of cash used for restructuring costs. The Company also used $3.0 million
in cash to invest in another  company,  $4.8  million in cash for  purchases  of
fixed assets for use in its networking  operations,  and $5.7 million in cash to
pay capital lease obligations, notes payable, and long term debt.

As of September 30, 1997, the Company's  principal sources of liquidity included
cash and cash  equivalents  and short  term  investments  of  approximately  $67
million,  and approximately $10 million available under its bank line of credit.
The  current  line of credit  agreement  expires in November  1997.  The Company
believes that existing cash and cash equivalents,  short-term  investments,  and
anticipated  funds from operations will satisfy the Company's  projected working
capital  requirements,  anticipated  capital  expenditures  and debt  repayments
through fiscal 1997.

The Company has wafer supply  agreements  with two  independent  foundries  that
together supply substantially all of the Company's products and include deposits
made to  secure  access  to wafer  fabrication  capacity.  One of  those  supply
agreements  was  amended  in the  fourth  quarter  of 1996  while  the other was
rewritten  in the  fourth  quarter of 1996 and  amended in the third  quarter of
1997.  At September  30, 1997,  the Company had $27.1  million in deposits  with
those  foundries and was in  compliance  with its foundry  agreements.  Although
there are no minimum unit volume  requirements,  the Company is obligated  under
one of the foundry agreements to purchase in future periods a minimum percentage
of its total annual  wafer  requirements,  provided  that the foundry is able to
continue  to  offer  competitive  technology,  pricing,  quality  and  delivery.
Non-compliance  with the terms of the agreements may be cause for termination of
the  agreement  by either  party.  The Company  purchased  $2.3 million from its
foundry  suppliers  during the third  quarter of 1997  compared to $4.8  million
under agreements in existence in the third quarter of 1996. Those amounts may or
may not be  indicative  of any  future  period  since  wafers  are sold based on
current market pricing and the Company's volume  requirements change in relation
to sales of its products.

In each year, the Company is able to receive a portion of the deposits  provided
to the foundries based on the annual  purchases from those foundries as compared
to the target  levels in the  agreements.  If the Company does not receive these
deposits  back during the course of the  agreements,  then the deposits  will be
returned to the Company at the termination of the agreements.

<PAGE>

The  Company's  future  capital   requirements  will  depend  on  many  factors,
including,  among others,  product development and acquisitions of complementary
businesses,  products or technologies. To the extent that existing resources and
the funds  generated by future  earnings are  insufficient to fund the Company's
operations,  the Company may need to raise  additional  funds through  public or
private debt or equity  financing.  If additional  funds are raised  through the
issuance of equity securities,  the percentage ownership of current shareholders
will be reduced and such  equity  securities  may have  rights,  preferences  or
privileges  senior to those of the holders of the  Company's  Common  Stock.  No
assurance can be given that  additional  financing will be available or that, if
available,  it can be  obtained  on  terms  favorable  to the  Company  and  its
shareholders.  If adequate funds are not available,  the Company may be required
to delay, limit or eliminate some or all of its proposed operations.




<PAGE>
                          Part II - OTHER INFORMATION

Item 6.       EXHIBITS AND REPORTS ON FORM 8-K

              (a)  Exhibits -

                    11   Calculation of earnings per share

              (b)  Reports on Form 8-K -

                         A  Current  Report  on Form 8-K was filed on August 8,
                         1997 to  disclose  the  Company's  name  change and the
                         change  of  its  legal  domicile  from   California  to
                         Delaware.


<PAGE>



SIGNATURES

Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned thereunto duly authorized.

                                   PMC-SIERRA, INC.
                                   (Registrant)


Date:  November 12, 1997           /s/ Robert L. Bailey
       -----------------           ---------------------------------------------
                                   Robert L. Bailey
                                   Chief Executive Officer and President

Date:  November 12, 1997           /s/ John Sullivan
       -----------------           ---------------------------------------------
                                   John Sullivan
                                   Vice President, Finance
                                   Chief Financial Officer (Principal Accounting
                                   Officer)




<TABLE>
                        CALCULATION OF EARNINGS PER SHARE
                  (In thousands, except for per share amounts)
                                   (unaudited)
<CAPTION>

                                                               Three Months      Three Months
                                                                   Ended            Ended
                                                                 Sept. 30,        Sept. 30,
                                                                   1997              1996



<S>                                                          <C>               <C>
Net income (loss)                                             $        7,291   ($        73,294)
                                                             ================  =================

Weighted average common shares outstanding                            31,146             29,782

Common stock equivalents                                               2,042                  -
                                                             ----------------  -----------------

Shares used in calculation of net income per share                    33,188             29,782
                                                             ================  =================

Net income (loss) per share                                   $         0.22   ($          2.46)
                                                             ================  =================

</TABLE>



<TABLE> <S> <C>


<ARTICLE>                     5
<MULTIPLIER>                  1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>               DEC-31-1997
<PERIOD-START>                  JUL-01-1997
<PERIOD-END>                    SEP-30-1997
<CASH>                           22,358
<SECURITIES>                     44,702
<RECEIVABLES>                    10,270
<ALLOWANCES>                          0
<INVENTORY>                       2,670
<CURRENT-ASSETS>                 83,578
<PP&E>                           37,067
<DEPRECIATION>                  (19,792)
<TOTAL-ASSETS>                  147,457
<CURRENT-LIABILITIES>            36,279
<BONDS>                               0
                 0
                           0
<COMMON>                        142,539
<OTHER-SE>                      (62,174)
<TOTAL-LIABILITY-AND-EQUITY>    147,457
<SALES>                          27,815
<TOTAL-REVENUES>                 27,815
<CGS>                             6,058
<TOTAL-COSTS>                     6,058
<OTHER-EXPENSES>                 10,871
<LOSS-PROVISION>                      0
<INTEREST-EXPENSE>                 (331)
<INCOME-PRETAX>                  11,217
<INCOME-TAX>                      3,926
<INCOME-CONTINUING>               7,291
<DISCONTINUED>                        0
<EXTRAORDINARY>                       0
<CHANGES>                             0
<NET-INCOME>                      7,291
<EPS-PRIMARY>                      0.23
<EPS-DILUTED>                      0.22
        



</TABLE>

                          Amendment to Option Agreement


         This Amendment,  made to Option Agreement between Sierra  Semiconductor
Corporation and PMC-Sierra,  Inc., and Taiwan  Semiconductor  Manufacturing Co.,
Ltd., dated November 6, 1996 (the "Option  Agreement"),  is effective as of July
21, 1997 (the "Effective Date") by and between Sierra Semiconductor  Corporation
("Sierra"),  a  company  organized  under  the  laws  of  California,  with  its
registered  address at 2222 Qume Drive, San Jose, CA 95131 and PMC-Sierra,  Inc.
("PMC-Sierra"),  a  company  organized  under the laws of  California,  with its
registered  address at 105-8555  Baxter  Place,  Burnaby,  B.C.,  Canada V5A 4V7
(collectively   referred   to  as   "Customers"),   and   Taiwan   Semiconductor
Manufacturing  Co., Ltd., a company  organized under the laws of the R.O.C, with
its registered address at No. 121, Park Ave. 3,  Science-Based  Industrial Park,
Hsinchu, Taiwan, R.O.C ("TSMC").

         In consideration of mutual covenants and conditions, both parties agree
to amend the Option Agreement as follows:

I.       Defined terms used herein but not defined herein shall have the meaning
         set forth in the Option Agreement.

II.      Amend Sections 2(f) and 7(a) as follows:

         2(f)  "Wafer"  used in this  Agreement  shall  mean 6"  physical  wafer
         without reference to technology and geometry.  The conversion rate from
         6" wafer to 8" wafer shall be 1.78.

         7(a) The term of this Agreement shall commence from the Effective Date,
         and expire upon the total consumption of the Option Fee.

III.      Delete Section 6.

IV.       Add a New Section as Section 18

         "Customers shall use their best efforts to increase their annual orders
         to TSMC by  commitment to have 1997 and 1998 new tape outs made by TSMC
         until *[REDACTED] of the Customers' total annual wafer requirement from
         outside  source is made by TSMC.  Customers  shall achieve the forgoing
         goal no later than *[REDACTED].

         Customers   shall  notify  TSMC  of   Customers'   annual  total  wafer
         requirements  from  outside  sources  for  the  subsequent  year  every
         November,  and shall  notify TSMC of any changes  therefrom  during the
         applicable  year.  TSMC has the right to conduct  audits on  Customers'
         annual total wafer  requirement  with a thirty (30) days written notice
         to Customers."

* The  confidential  portion has been so omitted and filed  separately  with the
Commission

<PAGE>

V.        Amend "Wafer Equivalent" in this Agreement to "Wafer".

VI.       Delete Original Exhibit A.

Taiwan Semiconductor                           Sierra Semiconductor Corporation
Manufacturing Co., Ltd.


BY:    /s/ Morris Chang                 BY:    /s/ James V. Diller
       ----------------                        -------------------
       Morris Chang                            James V. Diller
       Chairman                                CEO



                                               PMC-Sierra, Inc.


                                        BY:    /s/ James V. Diller
                                               -------------------
                                               James V. Diller
                                               CEO





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