BENCHMARQ MICROELECTRONICS INC
10-Q/A, 1996-11-21
SEMICONDUCTORS & RELATED DEVICES
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<PAGE>
 
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549
                                        

================================================================================
    
                                   FORM 10-Q/A
                               (Amendment No. 1)     

                                   (MARK ONE)
[X]  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE
                                  ACT OF 1934

                  FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1996

                                       OR

[_]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
                             EXCHANGE ACT OF 1934

         FOR THE TRANSITION PERIOD FROM _____________ TO ______________

                          COMMISSION FILE NO. 0-27232

                        BENCHMARQ MICROELECTRONICS, INC.

             (Exact name of registrant as specified in its charter)

         DELAWARE                                  74-2532442
(State or other jurisdiction of                 (I.R.S. Employer
incorporation or organization)                Identification No.)

   17919 WATERVIEW PARKWAY
        DALLAS, TEXAS                                 75252
(Address of principal executive offices)           (Zip code)
    
                                (972) 437-9195     
             (Registrant's telephone number, including area code)

                                NOT APPLICABLE
  (Former name, former address and former fiscal year, if changed since last
                                    report.)

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 shorter 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_______ 
        ----------
    
As of November 18, 1996, there were 6,698,506 shares of the registrant's common
stock outstanding.     
<PAGE>
 
PART II. OTHER INFORMATION


ITEM 6.  EXHIBITS AND REPORTS ON  FORM 8-K

(a)      Exhibits
         --------

         The exhibits filed as a part of this report are listed below.

             Exhibit No.       Description
             -----------       -------------------------------------------------

                 10.1          Option Agreement between Taiwan Semiconductor
                               Manufacturing Co., Ltd. and BENCHMARQ
                               Microelectronics Inc., dated as of May 31, 1996
                               (CONFIDENTIAL TREATMENT HAS BEEN REQUESTED BY THE
                               COMPANY FOR PORTIONS OF THIS AGREEMENT.)

                 10.2          Wafer Production Agreement between Taiwan
                               Semiconductor Co., Ltd. and BENCHMARQ
                               Microelectronics Inc. dated as of July 30, 1996
                               (CONFIDENTIAL TREATMENT HAS BEEN REQUESTED BY THE
                               COMPANY FOR PORTIONS OF THIS AGREEMENT.)

                 11            Statement Regarding Computation of Per Share
                               Earnings

                 27            Financial Data Schedule


(b)      Reports on Form 8-K
         -------------------

         No reports on Form 8-K were filed during the quarter ended June 30,
         1996.

                                       2
<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.



                                   BENCHMARQ MICROELECTRONICS, INC.


NOVEMBER 21, 1996                  /S/ DERRELL C. COKER
                                   ------------------------------------------
                                   DERRELL C. COKER
                                   PRESIDENT AND
                                   CHIEF EXECUTIVE OFFICER



NOVEMBER 21, 1996                  /S/ REGINALD B. MCHONE
                                   ------------------------------------------
                                   REGINALD B. MCHONE
                                   VICE PRESIDENT, FINANCE AND
                                   ADMINISTRATION, CHIEF FINANCIAL
                                   OFFICER AND SECRETARY (PRINCIPAL
                                   FINANCIAL AND ACCOUNTING OFFICER)

                                       3

<PAGE>
 
                                                                    EXHIBIT 10.1



                                OPTION AGREEMENT



                                    BETWEEN


                  TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.



                                      AND



                        BENCHMARQ MICROELECTRONICS, INC.



                                  MAY 31, 1996
<PAGE>
 
                               TABLE OF CONTENTS

<TABLE>
<S>                                                                          <C>
1. DEFINITIONS..............................................................  3

2. VOLUME COMMITMENT........................................................  4

3. WAFER PRICE..............................................................  5

4. OTHER PURCHASE TERMS AND CONDITIONS......................................  5

5. OBLIGATION TO PAY OPTION FEE FOR OPTION CAPACITY.........................  5

6. FAILURE TO PURCHASE THE OPTION CAPACITY;.................................  6

7. TERM AND TERMINATION.....................................................  7

8. BOARD APPROVAL...........................................................  8

9. LIMITATION OF LIABILITY..................................................  8

10. NOTICE..................................................................  8

11. ENTIRE AGREEMENT........................................................  9

12. GOVERNING LAW...........................................................  9

13. ARBITRATION.............................................................  9

14. ASSIGNMENT.............................................................. 12

15. CONFIDENTIALITY......................................................... 12

16. FORCE MAJEURE........................................................... 12

EXHIBIT A................................................................... 14

EXHIBIT B................................................................... 15

EXHIBIT C................................................................... 16

EXHIBIT D................................................................... 17

EXHIBIT E................................................................... 18
</TABLE>

                                       2
<PAGE>
 
                                OPTION AGREEMENT
                                ----------------




     THIS AGREEMENT is made and becomes effective as of May 31, 1996 (the
"Effective Date"), by Taiwan Semiconductor Manufacturing Co., Ltd. ("TSMC"), a
company organized under the laws of the Republic of China with its registered
address at No. 121, Park Ave. 3, Science-Based Industrial Park, Hsinchu, Taiwan,
and, Benchmarq Microelectronics, Inc. ("Customer"), a company organized under
the laws of Delaware, with its corporate headquarters at 17919 Waterview
Parkway, Dallas, Texas 75252.



RECITALS


     WHEREAS, TSMC currently supplies Customer with wafers and Customer wishes
to increase the volume of wafers to be purchased from TSMC;


     WHEREAS, in order to increase its output, TSMC XXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX;


     WHEREAS, as a condition to TSMC's acceleration of these facilities, TSMC
has asked that Customer make a capacity commitment and advance payment for the
right to buy additional capacity, and Customer is willing to do so:



AGREEMENT


     NOW, THEREFORE, in consideration of the mutual covenants and conditions
contained herein, the parties agree as follows:



1.   DEFINITIONS

     (a)  "Base Capacity" used in this Agreement shall mean the base amount of
          annual wafer capacity that is used to calculate the Customer's
          Committed Capacity, which amount is set forth in Exhibit B.

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       3
<PAGE>
 
     (b)  "Customer Committed Capacity" used in this Agreement shall mean the
          total capacity that Customer agrees to purchase from TSMC pursuant to
          this Agreement, and is set forth in Exhibit B.

     (c)  "Option Capacity" used in this Agreement shall mean the firm capacity
          commitment made by Customer pursuant to this Agreement, for which
          Capacity Customer agrees to pay the Option Fee as defined in this
          Section 1(d) below, and is set forth in Exhibit B.

     (d)  "Option Fee" used in this Agreement shall mean the deposit that
          Customer agrees to place with TSMC as the advance payment for the
          Option Capacity.

     (e)  "TSMC Committed Capacity" used in this Agreement shall mean the total
          capacity that TSMC agrees to provide to Customer pursuant to this
          Agreement, and is set forth in Exhibit B.

     (f)  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.


2.   VOLUME COMMITMENT

     (a)  Customer agrees to purchase from TSMC the Customer Committed Capacity,
          and subject to the payment of the Option Fee by Customer under Section
          5 below, TSMC agrees to provide to Customer the TSMC Committed
          Capacity, as set forth in Exhibit B.
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.

     (b)  Each month, Customer agrees to provide to TSMC a six-month rolling
          forecast of the number of wafers that Customer will purchase,
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXX. The
          forecast must be based on wafers out or deliveries 

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       4
<PAGE>
 
          expected to be made by TSMC.

     (c)  TSMC will use its reasonable effort to cause its fabs to be capable of
          producing wafers of more advanced specifications, as set forth in the
          TSMC Technology Road Map attached as Exhibit C.



3.      WAFER PRICE

     (a)  The wafer prices for the Customer Committed Capacity shall XXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXX for the same technology, the same fab and
          the same period of time. In the event that the wafer prices for the
          Customer Committed Capacity do not comply with the preceding sentence,
          TSMC will make proper price changes for the unfilled orders, upon
          Customer's notice in writing.

     (b)  The parties shall negotiate in good faith each year the wafer prices
          for the Customer Committed Capacity of the following year, XXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.


  4.    OTHER PURCHASE TERMS AND CONDITIONS

          The Customer/TSMC Wafer Production Agreement [to be completed within
          sixty (60) days of the effective date of this Agreement] will apply to
          all purchases of wafers by Customer from TSMC and delivery of all
          wafers from TSMC to the Customer, except that the provisions of this
          Agreement will supersede the above Agreement with respect to the
          subject matter hereof.

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       5
<PAGE>
 
5.      OBLIGATION TO PAY OPTION FEE FOR OPTION CAPACITY


     (a)  Customer agrees to pay to TSMC the Option Fee in the amount of
          XXXXXXXXXXXXXXXXXXXXXXXXXXX for the right to purchase the Option
          Capacity pursuant to this Agreement. The Option Fee is set forth in
          Exhibit D and shall be paid on the dates specified. Except that TSMC
          exercises its first right of refusal and accepts the Customer's offer
          pursuant to Section 6 below, the Option Fee for any calendar year,
          once paid, shall be non-refundable for any cause except the parties
          failure to mutually agree in writing to the Wafer Production Agreement
          within sixty (60) days of the effective date of this Agreement and
          TSMC's failure to deliver the requisite wafers pursuant to such Option
          Capacity and Section 4 of this Agreement (in such cases the applicable
          portion of the Option Fee which has been paid by the Customer will be
          promptly refunded by TSMC), and will be credited against the wafer
          prices for the Option Capacity provided by TSMC for that particular
          year under this Agreement.

     (b)  Customer further agrees to deliver to TSMC, within seven (7) days
          following the Effective Date, one (1) promissory note in an amount of
          the Option Fee due in 1997 as specified in Exhibit D and payable to
          TSMC or order, which promissory note is in the form of Exhibit E. The
          promissory note shall be returned by TSMC to Customer within seven (7)
          days upon receipt of the corresponding Option Fee by TSMC.


6.      FAILURE TO PURCHASE THE OPTION CAPACITY;
        FIRST RIGHT OF REFUSAL

     (a)  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       6
<PAGE>
 
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
          XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.

     (b)  Any of Customer's right or obligation set forth in Section 6(a) shall
          not affect its obligation to pay the Option Fee pursuant to Section 5
          above, except that if this Agreement is assigned to any third parties
          acceptable to TSMC pursuant to this Section 6(a) above, such third
          parties shall pay any unpaid portion of the Option Fee and abide by
          the terms and conditions of this Agreement.


7.      TERM AND TERMINATION

     (a)  The term of this Agreement shall commence from the Effective Date, and
          continue until December 31, 2000.

     (b)  TERMINATION BY TSMC FOR CUSTOMER'S FAILURE TO PAY THE OPTION FEE
          TSMC may terminate this Agreement if Customer fails to pay the Option
          Fee pursuant to Section 5 above, and does not cure or remedy such
          breach within thirty (30) days of receiving written notice of such
          breach.

     (c)  TERMINATION FOR OTHER BREACH OR FOR BANKRUPTCY
          Either party may terminate this Agreement if, (i) the other party
          breaches any material provisions of this Agreement (other than the
          breach of Section 5 above), and does not cure or remedy such breach
          within ninety (90) days of receiving written notice of such breach, or
          (ii) becomes the subject of a voluntary or involuntary petition in
          bankruptcy or any proceeding relating to insolvency, receivership or
          liquidation, if such petition or proceeding is not dismissed with
          prejudice within ninety (90) days after filing.

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       7
<PAGE>
 
     (d)  EFFECT OF TERMINATION
          Both parties shall remain liable to the other party for any
          outstanding and matured rights and obligations at the time of
          termination, including all outstanding payments of the Option Fee and
          for the wafers already ordered and/or shipped to Customer.

8.      BOARD APPROVAL

          Customer shall obtain the approval by its Board of Directors of this
          Agreement, and submit to TSMC, at the time of executing this
          Agreement, an authentic copy of it's board resolution authorizing the
          representative designated below to execute this Agreement.


9.      LIMITATION OF LIABILITY

          In no event shall either party be liable for any indirect, special,
          incidental or consequential damages (including loss of profits and
          loss of use) resulting from, arising out of or in connection with
          either party's performance or failure to perform under this Agreement,
          or resulting from, arising out of or in connection with either party's
          producing, supplying, and/or sale of the wafers to the Customer,
          whether due to a breach of contract, breach of warranty, tort, or
          negligence of either party, or otherwise.


10.  NOTICE

          All notices required or permitted to be sent by either party to the
          other party under this Agreement shall be sent by registered mail
          postage prepaid, or by personal delivery, or by fax. Any notice given
          by fax shall be followed by a confirmation copy within ten (10) days.
          Unless changed by written notice given by either party to the other,
          the addresses and fax numbers of the respective parties shall be as
          follows:

  To TSMC:

  TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
  No. 121, Park Avenue 3
  Science-Based Industrial Park
  Hsinchu, Taiwan
  Republic of China                 FAX: 886-35-781545

                                       8
<PAGE>
 
  To Customer:

  BENCHMARQ MICROELECTRONICS, INC.
  17919 Waterview Parkway
  Dallas, TX  75252            FAX:(214) 437-9198


11.  ENTIRE AGREEMENT

          This Agreement, including Exhibits A-E, constitutes the entire
          agreement between the parties with respect to the subject matter
          hereof, and supersedes and replaces all prior or contemporaneous
          understandings, agreements, dealings and negotiations, oral or
          written, regarding the subject matter hereof. No modification,
          alteration or amendment of this Agreement shall be effective unless in
          writing and signed by both parties. No waiver of any breach or failure
          by either party to enforce any provision of this Agreement shall be
          deemed a waiver of any other or subsequent breach, or a waiver of
          future enforcement of that or any other provision.


12.  GOVERNING LAW

          This Agreement will be governed by and interpreted in accordance with
          the laws of the California.


13.  ARBITRATION

     (a)  General.  Each party will make best efforts to resolve amicably any
          -------                                                            
          claims, controversies, or disputes under this Agreement. In the event
          that a resolution is not reached among the parties within thirty (30)
          days after written notice by any party of the dispute or claim, the
          dispute or claim shall be finally settled by binding arbitration in
          accordance with the provisions of this Section 13. The parties agree
          that all actions, claims, controversies or disputes of any kind (e.g.
          whether in contract or in tort, statutory or common law, legal or
          equitable or otherwise) ("Disputes") between them relating, directly
          or indirectly, to this Agreement are to be resolved by arbitration as
          provided in this Agreement. All arbitration will be 

                                       9
<PAGE>
 
          conducted pursuant to and in accordance with the following order of
          priority (i) the terms of this Agreement, (ii) the Commercial
          Arbitration Rules of the American Arbitration Association, and (iii)
          to the extend the foregoing are inapplicable, unenforceable or
          invalid, the laws of the State of California. The arbitrator(s) used
          will be selected from a list of persons familiar with disputes
          regarding the semiconductor manufacturing industry to be provided by
          the American Arbitration Association. Any hearing regarding
          arbitration will be held in the Greater Bay Area, California, or at
          another location mutually acceptable to both parties. The parties will
          use reasonable efforts to assure that the arbitrator(s) will use their
          best efforts to conduct the arbitration hearing as soon as
          practicable.

     (b)  Discovery.  Discovery will be conducted solely through depositions and
          ---------                                                             
          requests for documents and things but otherwise will be governed by
          the Federal Rules of Civil Procedure. The arbitrator(s) will resolve
          any discovery disputes by such prehearing conferences as may be
          needed. Both parties agree that the arbitrator(s) will have the power
          of subpoena process as provided by law. Disputes concerning the scope
          of depositions or document production, its reasonableness and
          enforcement of discovery requests will be subject to Agreement by the
          parties or will be resolved by the arbitrator(s). All discovery
          requests will be subject to the proprietary rights and rights of
          privilege and other protections granted by applicable law to the
          parties. The arbitrator(s) will adopt procedure to protect such
          rights. With respect to any Dispute, each party agrees that all
          discovery activities shall be expressly limited to matters directly
          relevant to the Dispute and the arbitrator(s) will be required to
          fully enforce this requirement.

     (c)  Enforcement. The decision of the arbitrator(s) will be final and
          -----------
          binding on all parties. Any judgment upon the award rendered by the
          arbitrator(s) may be entered in any court having jurisdiction thereof.
          The decision of the arbitrator(s) will be enforceable in any court of
          competent jurisdiction. Except for proceedings seeking equitable
          remedies, an arbitration proceeding commenced pursuant to this Section
          13 is a condition precedent to and is a complete defense to the
          commencement of any suit, action or proceeding in any federal or state
          court with respect to any Dispute. Either party may bring an action in
          court to compel arbitration. Any party who fails or refuses to submit
          to binding arbitration following demand by the other party shall bear
          all costs and expenses incurred by the opposing party in compelling
          arbitration.

                                       10
<PAGE>
 
     (d)  Powers and Qualifications: Awards: Modification or Vacation of Award.
          --------------------------------------------------------------------
          The arbitrator(s) are empowered to resolve Disputes by summary rulings
          substantially similar to summary judgments and motions to dismiss. The
          arbitrator(s) will resolve all Disputes in accordance with the
          substantive laws of the State of California. The arbitrator(s) may
          grant any remedy or relief deemed just and equitable and within the
          scope of this Agreement and may also grant such ancillary relief as is
          necessary to make effective any award. The arbitrator(s) will be
          required to make specific, written findings of fact and conclusions of
          law, and the parties will have the right to seek vacation or
          modification of an award only if (I) that award is based in whole, or
          in part, upon fraud or (ii) failure to follow the procedures set forth
          in this Section 13. For these purposes, the award and judgment entered
          by the federal or state district court shall be considered to be the
          same as the award and judgment of the arbitrator(s). To the extent
          permitted by applicable law, the arbitrator(s) will have the power to
          award recovery of all costs and fees (including attorneys' fees,
          administrative fees, and arbitrators' fees) to the prevailing party.

     (e)  Limitation on Award. The arbitrator(s) will be limited to interpreting
          -------------------
          the applicable provisions of this Agreement, and will not have the
          authority or power to alter, amend, modify, revoke or suspend any
          condition or provision of this Agreement, nor to create, draft or form
          a new agreement between the parties, nor to render an award which, by
          its terms, has the effect of altering or modifying any condition or
          provision of this Agreement.

     (f)  Provisional Remedies and Multiple Parties.  No provision of, nor the
          -----------------------------------------                           
          exercise of any rights under, this Agreement will limit the right of
          any party, during any Dispute, to resort to a court of applicable
          jurisdiction to seek such equitable remedies as may be available to
          such party, and any such action will not be deemed an election of
          remedies. Such rights will include, without limitation, rights and
          remedies relating to injunctive relief. Such rights may be exercised
          at any time except to the extent such action is contrary to an award
          or decision of the arbitrator(s). The institution and maintenance of
          an action for equitable relief will not constitute a waiver of the
          right of any party, to submit a Dispute to arbitration, nor render
          inapplicable the compulsory arbitration provisions of this Agreement.

     (g)  Choice of Arbitrator(s).  The arbitrator(s) will be chosen by mutual
          -----------------------                                             
          agreement of the parties. If they cannot agree within thirty (30) days
          upon a single arbitrator, each will, within fifteen (15) days

                                       11
<PAGE>
 
          thereafter, appoint an arbitrator and such arbitrators will appoint a
          third impartial arbitrator. If more than one arbitrator is appointed,
          the decision of a majority of such arbitrators will be binding.
          Subject to the provisions of Subsection 13(d), (i) each party will be
          responsible for the expenses and fees of the arbitrator appointed by
          it and one-half of the fees and expenses of the third arbitrator, (ii)
          if there is only one arbitrator appointed, each party will be
          responsible for one-half of the fees and expenses of such arbitrator
          and (iii) each party will bear its own attorney's and expert's fees.
          If either party fails to timely appoint an arbitrator, the decision of
          the arbitrator who is timely appointed will be binding.

14.  ASSIGNMENT

     This Agreement shall be binding on and inure to the benefit of each party
     and its successors, and except that Customer may assign this Agreement
     under Section 6 above, neither party shall assign any of its rights
     hereunder, nor delegate its obligations hereunder, to any third party,
     without the prior written consent of the other.


15.  CONFIDENTIALITY

     Neither party shall disclose the existence or contents of this Agreement
     except as required by Customer's assignment of this Agreement to any third
     parties pursuant to Section 6 above, in confidence to its advisers, as
     required by Securities and Exchange Commission regulations and related
     laws, as required by applicable law, or otherwise without the prior written
     consent of the other party and to enforce this Agreement.


16.  FORCE MAJEURE

     Neither party shall be responsible for delays or failure in performance
     resulting from acts beyond the reasonable control of such party. Such acts
     shall include but not limited to acts of God, war, riot, labor stoppages,
     governmental actions, fires, floods, and earthquakes.

                                       12
<PAGE>
 
     IN WITNESS WHEREOF, the parties, have executed this Agreement as of the
date first stated above.


TAIWAN SEMICONDUCTOR                         BENCHMARQ
MANUFACTURING CO., LTD.                      MICROELECTRONICS, INC.


BY:/s/ Don Brooks                            BY:/s/ Derrell Coker          
   ----------------------------                 -------------------------------
   Donald Brooks                                Derrell Coker
   President                                    President

                                       13
<PAGE>
 
                                   EXHIBIT A

                           EQUIVALENCY FACTOR TABLE

<TABLE>
<CAPTION>
- --------------------------------------------------------------------------------
                               XXXXXXX       XXXXXX      XXXXXXXXXX  XXXXXXXXXX
XXXXXXXXXXXXXXXXXX             XXXXXXXXXX    XXXXXXXXX   XXXXXXXX    XXXXXXXXX
                               XXXXXXXXX 
                               XXXXXXXXX 
- --------------------------------------------------------------------------------
<S>                            <C>             <C>        <C>         <C> 
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXX         XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXX         XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXX        XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXXXXX     XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXX         XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXX        XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXX           XX                         XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXX           XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXX           XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXX          XX              X          XX          XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXXXX      XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXXXXX     XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXXXX      XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXX           XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXX           XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
XXXXXXXXXXXXXXXXXXXXXXXXX      XX              X          XXXX        XXXX
- --------------------------------------------------------------------------------
</TABLE>

REMARKS:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX   

      XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
 
      XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

      XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

DATE OF ISSUE: XXXXXXXX

(X-"Portions of the subject exhibit have been ommitted and filed separately with
   the Commission pursuant to a request for Confidential Treatment.") 

                                       14
<PAGE>
 
                                   EXHIBIT B

                                BENCHMARQ/TSMC
                              COMMITTED CAPACITY

<TABLE>
<CAPTION>
                                                    UNIT: XXXXXXXXXXXXXXXXXXXXXX
   -----------------------------------------------------------------------------
                                   1996      1997      1998      1999      2000
                                   ----      ----      ----      ----      ----
   -----------------------------------------------------------------------------
   <S>                             <C>       <C>       <C>       <C>       <C> 
   -----------------------------------------------------------------------------
   XXXXXXXXXXXXX                   X         X         X         X         X
   XXXXXXXXXXXXX                 
   -----------------------------------------------------------------------------
                                 
   -----------------------------------------------------------------------------
   XXXXXXXXXXXXX                             XXX       XXX       XXX       XXX
   -----------------------------------------------------------------------------
                                 
   -----------------------------------------------------------------------------
   XXXXXXXXXXXXXXXXX                         XXXX      XXXX      XXXX      XXXX
   -----------------------------------------------------------------------------

   -----------------------------------------------------------------------------
   XXXXXXXXXXXXXXX                           X         X         X         X
   -----------------------------------------------------------------------------

   -----------------------------------------------------------------------------
   XXXXXXXXXXXX                              X         X         X         X
   XXXXXXXX                      
   -----------------------------------------------------------------------------

   -----------------------------------------------------------------------------
   XXXXXXXXXXXXXXXXXXXXXXX         X         XX        XX        XX        XX
   XXXXXXXXXXXXXXXX              
   XXXXXXXXXXXXXXXX              
   -----------------------------------------------------------------------------

   -----------------------------------------------------------------------------
   XXXXXXXXXXXXXXXXXXX                       XXXX      XXXX      XXXX      XXXX
   XXXXXXXXXXXX                  
   XXXXXXXXXXXXXXXXXXX 
   XXXXXXXXXXXXXXXX 
   -----------------------------------------------------------------------------
</TABLE> 

* XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.

Deposits Required:       $ 5.88M - XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

     Payment Schedule:                  $  2.5M - May 31, 1996
                                        $  3.38M - March 31, 1997

(X-"Portions of the subject exhibit have been ommitted and filed separately with
   the Commission pursuant to a request for Confidential Treatment.") 

                                       15
<PAGE>
 
                                   EXHIBIT C
                         TSMC CMOS TECHNOLOGY ROADMAP

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






















- --------------------------------------------------------------------------------
    
("Portions of the subject exhibit have been ommitted and filed separately with
      the Commission pursuant to a request for Confidential Treatment.")      

                                       16
<PAGE>
 
                                   EXHIBIT D
                                  OPTION FEE

<TABLE> 
<CAPTION> 
Years            Total Option           Option Fee            Due Date
                 Capacity (Unit:        (Unit:  US$)
                 Wafer Equivalent)

- -------------------------------------------------------------------------------
<S>              <C>                    <C>                   <C>    
1996-            XXX                    $   2.5M              May 31, 1996
2000                                    
                                        $   3.38M             March 31, 1997
</TABLE> 
                             
(X-"Portions of the subject exhibit have been ommitted and filed separately with
      the Commission pursuant to a request for Confidential Treatment.") 

                                       17
<PAGE>
 
                                   EXHIBIT E
                       STANDARD FORM OF PROMISSORY NOTE


Amount: US$______________                            Due Date:__________________


     The Undersigned, _____________________ (the "Maker"), unconditionally
promise to pay to Taiwan Semiconductor Manufacturing Co., Ltd. or its order the
sum of US Dollars _________________ ($___________), plus interest calculated
from the Due Date stated herein to the date of full payment at the rate of 10%
per annum on any unpaid portion of the principal amount stated herein, and said
payment will be made at ________________ (Place of Payment).

     This Note shall be governed in all respects by the laws of the State of
California.

     The Maker of this Note agrees to waive protests and notice of whatever
kind.


Issue Date: ________________

Issue Place: _______________

                                        Maker's Signature:______________________

                                        Maker's Address:  ______________________

                                                          ______________________

                                       18

<PAGE>
 
                                                                    EXHIBIT 10.2



                           WAFER PRODUCTION AGREEMENT
                              (FOR OPTIONEES ONLY)

                                    BETWEEN


                       TAIWAN SEMICONDUCTOR MANUFACTURING

                                 COMPANY, LTD.

                                      AND


                        BENCHMARQ MICROELECTRONICS, INC.



                                 JULY 30, 1996

                                       1
<PAGE>
 
                               TABLE OF CONTENTS 

<TABLE>
<S>                                                                           <C> 
1. DEFINITIONS..............................................................   3
2. PRODUCT DEVELOPMENT......................................................   4
3. SUPPLY...................................................................   5
4. ON-SITE INSPECTION AND VENDOR INFORMATION................................   6
5. DELIVERY.................................................................   7
6. ACCEPTANCE...............................................................   7
7. PRICE....................................................................   7
8. PROPRIETARY INFORMATION..................................................   8
9. WARRANTY.................................................................   9
10. INTELLECTUAL PROPERTY INDEMNITY.........................................  10
11. LIMITATION OF LIABILITY.................................................  11
12. EXPORT CONTROL..........................................................  11
13. TERM AND TERMINATION....................................................  12
14. FORCE MAJEURE...........................................................  12
15. NON-PUBLICITY...........................................................  12
16. ASSIGNMENT..............................................................  12
17. GOVERNING LAW AND ARBITRATION...........................................  13
18. NOTICE..................................................................  13
19. ENTIRE AGREEMENT........................................................  14
20. LIST OF EXHIBITS........................................................  16
</TABLE>

                                       2
<PAGE>
 
                          WAFER PRODUCTION AGREEMENT

     THIS AGREEMENT is entered into, effective July 30, 1996 (the "Effective
Date"), by and between Taiwan Semiconductor Manufacturing Co., Ltd., a company
duly incorporated under the laws of the Republic of China, having its principal
place of business at No. 121, Park Avenue III, Science Based Industrial Park,
Hsin-Chu, Taiwan, R.O.C. ("TSMC"), and Benchmarq Microelectronics, Inc. a
company duly incorporated under the laws of Delaware having its principal place
of business at 17919 Waterview Parkway, Dallas, Texas 75252 ("Customer").

RECITALS

Customer has designed and/or manufactures integrated circuits, and wishes to
have a manufacturing source for certain of such integrated circuits.

TSMC is in the business of manufacturing such integrated circuits, and wishes to
manufacture such integrated circuits for Customer.

Customer and TSMC have in place an Option Agreement dated May 31, 1996,
outlining quantity commitments for both parties.

AGREEMENT

     NOW, THEREFORE, in consideration of the mutual covenants and conditions
contained herein, the parties agree as follows:

1.   DEFINITIONS

(a)  "PROCESS" shall mean the process available at TSMC as set forth in Exhibit
     A, or such process or successor process as may be mutually acceptable.  The
     Process shall be used to manufacture the Products defined below.

(b)  "PRODUCTS" used in this Agreement shall mean those products designed by
     Customer and manufactured for Customer by TSMC under this Agreement,
     including wafers, devices and packaged devices, but does not include test
     wafers or risk start wafers as described in Section 2.  The Products shall
     meet the Parametric and Electrical Specifications set forth in Exhibit B,
     and the Products in device form, upon Customer's request, may be packaged
     and marked in accordance with the requirements set forth in Exhibit B-1.

                                       3
<PAGE>
 
(c)  "PROPRIETARY INFORMATION" shall mean mask data base data and also shall
     mean any other information that is controlled by a party and is identified
     as proprietary and confidential and that is disclosed by either party to
     the other under this Agreement. Written Proprietary Information shall be
     clearly marked or labeled "PROPRIETARY" or "CONFIDENTIAL" or other words of
     similar meaning. All oral disclosures of Proprietary Information shall be
     identified as such prior to disclosure except data disclosed orally prior
     to the date of this Agreement and confirmed, in writing, by the disclosing
     party within thirty (30) days of the later of (i) oral disclosure or (ii)
     the date hereof. In case of disagreement, the receiving party must make an
     objection thereto, in writing, within thirty (30) days of receipt.

2.  PRODUCT DEVELOPMENT

(a)  The parties shall agree upon the Process for the manufacture of the
     Products, and upon the specifications according to which Customer shall
     conduct acceptance of the Products (the "Quality and Reliability
     Specifications"). The Quality and Reliability Specifications are shall be
     reduced into writing and attached hereto as Exhibit C. TSMC shall furnish
     the design rule and parametric information for the agreed upon Process,
     which information shall be described in Exhibit A.

(b)  TSMC will make, or designate a mask vendor to make, the mask sets for the
     Products in accordance with the device database tapes provided by Customer,
     and in case that a mask vendor is used, TSMC will provide mask alignment
     and test structure databases to the mask vendor. TSMC shall be responsible
     for ensuring that the mask sets are manufactured in accordance with device
     database tapes provided by Customer and the mask alignment and test
     structure databases provided by TSMC. Customer shall bear all the costs and
     expenses of producing the mask sets necessary for the production of the
     Products under this Agreement. The mask sets, if not used for a specified
     period of time, will be handled as proprietary data and in accordance with
     TSMC idle mask policy then in effect.

(c)  TSMC will provide Customer with such amount of test wafers as Customer may
     require for qualification, at the purchase prices specified in Section 7.
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXX, following upon receipt of the test wafers, Customer shall
     inform TSMC in writing of whether or not such test wafers meet the Quality
     and Reliability Specifications, and if affirmative, full qualification will
     be deemed completed and TSMC will proceed to produce the Products pursuant
     to the purchase order or orders issued by Customer, if any, and accepted by
     TSMC under Section 3 below, if any. If no notification is received by TSMC
     during the time period specified in the preceding sentence, full
     qualification shall be deemed accomplished. In the event that the test
     wafers do not meet the Quality and Reliability Specifications, the parties
     will work together in good faith to achieve full qualification.

(X-  "Portions of the subject exhibit have been ommitted and filed separately
     with the Commission pursuant to a request for Confidential Treatment.")

                                       4

<PAGE>
 
(d)  Upon Customer's request, TSMC will provide additional test wafers or "risk
     starts" at the purchase prices specified in Section 7.


(e)  Prior to the completion of full qualification, Customer may, by giving at
     least seven (7) days notice to TSMC, terminate the production of any test
     wafers or risk starts specified in Subsections 2(c) and 2(d), and TSMC will
     do so following the completion of the process steps at which such test
     wafers or risk starts reside at the time of receiving such notice.  In such
     event, Customer shall pay TSMC for all the test wafers and/or risk starts
     so affected, and the prices for such test wafers and/or risk starts shall
     be the respective purchase prices specified in Section 7, equitably
     prorated based on the completed stage of production.

(f)  The parties may agree to add processes from which the Customer may purchase
     wafers. Whereas, the procedures included herein in Section 2 and
     Subsections (a), (b), (c), (d) and (e) will be followed.

3.  SUPPLY

(a)  Subject to the terms and conditions of this Agreement and the Option
     Agreement, TSMC agrees to manufacture and supply to Customer the test
     wafers and Products during the term of this Agreement. TSMC shall use
     its best efforts to deliver Products in quantities and timing consistent
     with the Customers purchase orders.

(b)  TSMC agrees to use reasonable efforts to meet all the quantity requirements
     of Customer for the Products in excess of the binding quantity commitments
     of TSMC to Customer as described in the Option Agreement dated May 31,
     1996.

(c)  Customer shall place purchase orders or other release documents ("Purchase
     Orders") for such quantities of the Products as and when it requires.
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXX. Such Purchase Orders constitute
     firm purchase obligations on the part of Customer and shall only be final
     subject to acceptance by TSMC. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX. The terms
     of the Purchase Orders must be consistent with and limited to the terms and
     conditions of this Agreement.


(X - "Portions of the subject exhibit have been ommitted and filed separately
     with the Commission pursuant to a request for Confidential Treatment.")

                                       5
<PAGE>
 
(d)  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXX.
     
     

(e)  It is anticipated that from time to time there may be instances where an
     accelerated lead and cycle time is required to serve the needs of Customer,
     and in such instances, TSMC shall, upon mutually agreed upon terms and
     conditions, use reasonable efforts to accelerate the schedule of production
     for the Products and/or increase the volume of the Products manufactured
     for Customer in order to meet such needs.

(f)  If Customer notifies TSMC in writing that modifications to the Quality and
     Reliability Specifications are required, including modifications to mask
     tooling, process or testing, TSMC shall use its best effort to make such
     modifications within a reasonable period of time after Customer
     notification, provided that any adjustments in price, production, delivery
     schedule, and any other terms and conditions of this Agreement shall meet
     with TSMC's approval prior to the making of such modifications.  It is
     understood that all costs to be incurred as a result of making such
     modifications (including retooling cost) shall be agreed upon in advance of
     the modifcations and shall be borne by Customer.

(g)  Customer may, at any time, add or substitute similar Product types using
     the Processes agreed upon by the parties under Section 2, and TSMC shall
     use reasonable efforts to produce such similar Product types as requested.
     All the costs incurred as a result of such adding or substituting similar
     Product types shall be borne by Customer.  The prices for such similar
     Product types shall be negotiated by the parties.

4.  ON-SITE INSPECTION AND VENDOR INFORMATION

(a)  At a frequency of no more than once a year, Customer may send its
     representatives to inspect TSMC's production facilities involved in the
     manufacture of the Products during normal working hours, by giving a
     reasonable prior written notice to TSMC.

(b)  Upon Customer's written request, TSMC will provide Customer with process
     control information as set forth in Exhibit A-1, XXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     
(X-  "Portions of the subject exhibit have been ommitted and filed separately
     with the Commission pursuant to a request for Confidential Treatment.")

                                       6
<PAGE>
 
5.  DELIVERY

(a)  Unless otherwise agreed to between the parties, TSMC shall deliver the
     Products to Customer in accordance with the terms and conditions of the
     INCOTERMS 1990 - EXW (Ex Works TSMC's Hsin-Chu Factory) the outline of
     which is set forth in Exhibit E.  Title to the Products and risk of loss
     shall pass to Customer upon delivery.  TSMC shall package the Products for
     secure shipment according to good manufacturing practices with
     consideration of the method of shipment chosen.  The date of the receipt
     issued by the carrier shall be conclusive proof of the date and fact of
     shipment of Products.

(b)  Partial shipments are allowed, so long as full shipment of the appropriate
     quantities are made by the delivery dates specified in the respective
     Purchase Orders.  Such partial shipments may be invoiced individually or in
     combination with all the other partial shipments made under the same
     Purchase Order.

(c)  Any delivery or shipment made within fifteen (15) days before or after the
     delivery date(s) specified in the Purchase Orders shall constitute timely
     delivery or shipment.

6.  ACCEPTANCE

(a)  Customer shall accept all conforming tenders of the Products delivered
     under this Agreement, and shall notify TSMC in writing,
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX, as to
     either acceptance or rejection thereof.  If no notification indicating
     rejection is received by TSMC within the above time period, then such
     Products shall be deemed accepted.

(b)  Customer may inspect the Products and carry out testing, prior to
     acceptance thereof, at its own facilities.  The inspection and testing
     shall be performed pursuant to the methods set forth in Exhibit D.

7.  PRICE

(a)  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXX. The Product Prices are in U.S. currency and net of any and all taxes
     and duties, including but not limited to customs duties, sales tax, value
     added tax, use tax, and excise tax. Customer shall pay all applicable U.S.

(X-  "Portions of the subject exhibit have been ommitted and filed separately
     with the Commission pursuant to a request for Confidential Treatment.")

                                       7
<PAGE>
 
     taxes (including one or more of the above taxes, but excluding all taxes
     based on TSMC's income) in addition to the Product Prices quoted in Exhibit
     F.

(b)  Unless otherwise agreed upon by the parties, payment terms shall be net due
     thirty (30) days after the date of TSMC's invoice. Any payment made under
     this Agreement shall be in U.S. dollars subject, to the extent applicable,
     to the conditions of Subsection 5(a) of the Option Agreement dated May
     31, 1996.

(c)  The Product Prices quoted are based upon the New Taiwan Dollar/U.S. Dollar
     exchange rate in effect at the time of execution of this Agreement, and
     will be subject to, at the time of shipment, an adjustment due to changes
     in the exchange rate between New Taiwan Dollars and U.S. Dollars XXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXX.
     
8.  PROPRIETARY INFORMATION

(a)  Both parties agree to maintain Proprietary Information of the other party
     in strict confidence, not to make use thereof other than for the
     performance of this Agreement, to release it only to employees who have a
     reasonable need to know the same and who have agreed to comparable
     restrictions on use and disclosure, and not to release or disclose it to
     any third parties without the prior written consent of the disclosing
     party. The obligations set forth in this Subsection shall not apply to any
     information that: (i) is now or hereafter in the public domain or otherwise
     becomes available to the public other than by breach of this Agreement by
     the receiving party; (ii) is rightfully in the receiving party's possession
     prior to receipt from the disclosing party; (iii) is rightfully received by
     the receiving party from a third party; (iv) is independently developed by
     the receiving party; and (v) is authorized by the disclosing party to be
     released or disclosed. The obligations of non-disclosure set forth in this
     Subsection shall not apply to information that is required to be disclosed
     in accordance with applicable law.

(b)  All Proprietary Information of the disclosing party and any copies thereof
     shall remain the property of the disclosing party, and no license or other
     right is granted or implied hereby.  The receiving party shall, upon the
     disclosing party's request, return the original and all copies of tangible
     Proprietary Information of the disclosing party.  Any mask sets generated
     by TSMC from Customer's database tapes shall be the property of Customer,
     and will be returned to Customer upon request.  TSMC shall have any and all
     the rights to and interests in any modifications or improvements of the
     Process during the course of performance of this Agreement.

(c)  The obligation under this Section shall survive the termination or
     expiration of this Agreement, and shall be effective for a period of five
     (5) years from the date of disclosure.

(X-  "Portions of the subject exhibit have been ommitted and filed separately
     with the Commission pursuant to a request for Confidential Treatment.")

                                       8
<PAGE>
 
9.   WARRANTY

 (a) TSMC warrants that the Products delivered hereunder shall meet the Quality
     and Reliability Specifications as set forth in Exhibit C-1 and shall be
     free from defects in material and workmanship under normal use for a period
     of one (1) year from the date of shipment. If, during the one (1) year
     period: (i) TSMC is notified promptly in writing upon discovery of any
     defect in the Products, including a detailed description of the alleged
     defect; (ii) such Products are returned to TSMC, F.O.B. TSMC Hsin-Chu
     (INCOTERMS 1990) as set forth in Exhibit E; and (iii) TSMC's examination of
     such Products reveals that such Products are indeed defective and not
     caused by accident, abuse, misuse, neglect, improper installation, device
     packaging or shipping packageing, repair or alteration by someone other
     than TSMC, or improper testing or use contrary to any instructions given by
     TSMC, then TSMC shall, at its option, either repair, if applicable,
     replace, or credit Customer for such defective Products
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX XXXXXXXXXX. TSMC shall return any Products
     repaired or replaced under this warranty to Customer transportation
     prepaid, and shall reimburse Customer for the transportation charges paid
     by Customer for returning such defective Products to TSMC. The performance
     of this warranty shall not act to extend the one (1) year warranty period
     for any Products repaired or replaced beyond that period applicable to such
     Products as originally delivered.

 (b) The foregoing constitutes TSMC's exclusive liability, and Customer
     exclusive remedy for any breach of warranty under this Agreement, including
     any non-conformity of the Products with the Quality and Reliability
     Specifications, and any defects in material or workmanship of the Products.
     The warranty set forth in this Section 9 is the only warranty that applies
     to the Products manufactured by TSMC hereunder.  No warranty claims may be
     made to TSMC for the Products, except by Customer in accordance with the
     terms of this Agreement.

     THE FOREGOING WARRANTY SHALL BE EXCLUSIVE AND IN LIEU OF ANY AND ALL OTHER
     WARRANTIES:  EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO,
     THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ALL
     OF WHICH ARE HEREBY EXPRESSLY DISCLAIMED.

 (c) Notwithstanding the provisions of Subsection 9(a) above, prior to any
     return of allegedly defective Products by Customer pursuant to Subsection
     9(a) Customer shall first afford TSMC the opportunity upon TSMC's request,
     to inspect the allegedly defective Products at Customer's facilities,
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX. If TSMC thereby determines that the
     allegedly defective Products are defective or non-conforming with the
     Quality and Reliability 

(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       9
<PAGE>
 
     Specifications, or that such alleged defects are caused by defects in
     material or workmanship of TSMC, then Customer shall be entitled to repair,
     replacement or credit under this Subsection.

10.  INTELLECTUAL PROPERTY INDEMNITY

 (a) Subject to Subsection 10(b) below, TSMC shall, at its expense and at
     Customer request, defend any claim or suit brought against Customer, solely
     to the extent that it is based solely on a Process provided by TSMC
     pursuant to this Agreement that infringes any patent, copyright, trade
     secret or other proprietary rights of a third party within a list of
     claims, and TSMC shall indemnify and hold Customer harmless from and
     against any costs, damages and fees reasonably incurred by Customer,
     including but not limited to, attorney's fees that are attributable to such
     claim or suit related to that Process, provided that: (i) Customer gives
     TSMC reasonably prompt notice in writing of any such claim or suit, and
     permits TSMC, through counsel of its choice and reasonably acceptable to
     Customer, to answer the charge of infringement and defend such claim or
     suit; (ii) Customer provides TSMC information, assistance and authority, at
     TSMC's expense, to enable TSMC to defend such suit or claim; and (iii) TSMC
     shall not be responsible for any settlement made by Customer without TSMC
     written permission.

 (b) TSMC shall have no liability under this Agreement for any claim or suit
     where infringement arises solely out of TSMC's compliance with or
     implementation of any of Customer's instructions, specifications, designs
     or requirements (including those relating to the Process) hereunder, and
     Customer shall defend such claim or suit and indemnify and hold TSMC
     harmless from and against any costs, damages and fees reasonably incurred
     by TSMC in connection with such claim or suit, including but not limited
     to, attorneys' fees that are attributable to such claims or suit, provided
     that:  (i) TSMC gives Customer reasonably prompt notice in writing of any
     such claim or suit, and permits Customer, through counsel of its choice and
     reasonably acceptable to TSMC, to answer the charge of infringement and
     defend such claims or suit;  (ii) TSMC provides Customer information,
     assistance and authority at Customer's expense, to enable Customer to
     defend such claim or suit; and  (iii) Customer shall not be responsible for
     any settlement made by TSMC without Customer's written permission.

                                       10
<PAGE>
 
 (c) If the court or a settlement enjoins the use of the Process by TSMC or, if,
     in TSMC's opinion, the Process or Products are likely to become the subject
     of a claim of infringement, TSMC shall, at its option, modify such Process
     so that it becomes non-infringing, substitute a substantially equivalent
     non-infringing process, obtain the right to continue using the Process
     under this Agreement, or subject to Subsection 5(a) of the Option Agreement
     dated May 31, 1996, decline to furnish or to continue to furnish the
     Products under this Agreement. XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
     XX.

 (d) The foregoing states the entire liability and exclusive remedies of TSMC
     and Customer for infringement by the Products, the Process and the
     production of the Products furnished hereunder.

11.  LIMITATION OF LIABILITY

     In no event shall either party be liable for any punitive, exemplary,
     indirect, special, incidental or consequential damages (including loss of
     profits and loss of use) resulting from, arising out of or in connection
     with such party's performance or failure to perform under this Agreement,
     or resulting, from, arising out of or in connection with TSMC producing,
     supplying, and/or sale of the Products or any part thereof, whether due to
     a breach of contract, breach of warranty, tort, or negligence of either
     party, or otherwise. The foregoing limitation on liability will not be
     applicable to claims asserted by third parties which fall within the scope
     of Section 10 of this Agreement.

12.  EXPORT CONTROL

     TSMC and Customer are subject to national export control regulations of the
     Republic of China and the Export Administration Regulations of the United
     States of America. TSMC and Customer will take all appropriate measures not
     to violate these regulations and will indemnify the other party against and
     hold keep the other party fully harmless from all damages arising out of or
     in connection with any violation. Within reason and upon TSMC's request,
     Customer shall execute any and all documents provided by TSMC to facilitate
     the shipment of the Products in compliance with the export control
     regulations.

(X - "Portions of the subject exhibit have been ommitted and filed separately
      with the Commission pursuant to a request for Confidential Treatment.")

                                       11
<PAGE>
 
13.  TERM AND TERMINATION

 (a) The term of this Agreement shall commence from the Effective Date, and
     continue until December 31, 2000.

 (b) This Agreement may be terminated by either party if the other party:  (i)
     breaches any material provision of this Agreement and does not cure or
     remedy such breach within sixty (60) days of notice of breach;  (ii)
     becomes the subject of a voluntary or involuntary petition in bankruptcy or
     any proceeding relating to insolvency, receivership, liquidation, or
     composition for the benefit of creditors if such petition or proceeding is
     not dismissed with prejudice within ninety (90) days after filing.  If
     Customer is the breaching party under this provision, then TSMC shall be
     entitled to stop or suspend the production of the Products upon giving
     notice to Customer, and to the payment of the Product Prices for all
     finished Products and work-in-process (partially finished Products) which
     are identifiable to this Agreement, without prejudice to damages that
     may be claimed by TSMC under applicable law. 

 (c) In addition to Section 8 above, the provisions under Sections 9, 10, 12 and
     15 shall survive the termination or expiration of this Agreement.

14.  FORCE MAJEURE

     Neither party shall be held liable for any delay or failure to perform
     under this Agreement if such delay or failure iscaused by unforeseen
     circumstances due to causes beyond its control, including, but not limited
     to:  acts of God, war, riot, embargoes, labor stoppages, acts of civil and
     military authorities, fire, floods, earthquakes or accidents.

15.  NON-PUBLICITY

     Except to the extent required by applicable law, neither publicity nor
     information regarding the existence or contents of this Agreement shall be
     given or released by either party without the prior written consent of the
     other party.

                                       12
<PAGE>
 
16.  ASSIGNMENT

     Neither party shall delegate any obligations under this Agreement nor
     assign this Agreement or any interest or rights hereunder without the prior
     written consent of the other, except that TSMC shall be free to choose the
     mask vendor to make mask sets, and/or to subcontract the packaging of the
     Products.

17.  GOVERNING LAW AND ARBITRATION

 (a) This Agreement shall be governed by and interpreted in accordance with the
     laws of the State of California.

 (b) Each party will make best efforts to resolve amicably any disputes or
     claims under this Agreement among the parties.  In the event that a
     resolution is not reached among the parties within thirty (30) days after
     written notice by any party of the dispute or claim, the dispute or claim
     shall be finally settled pursuant to the arbitration procedure in Section
     13 of the Option Agreement between the two parties.

18.  NOTICE

     All notices required or permitted to be sent by either party to the other
     party under this Agreement shall be sent by registered mail postage
     prepaid, or by personal delivery, or by fax.  Any notice given by fax shall
     be followed by a confirmation copy within ten (10) days.  Unless changed by
     written notice given by either party to the other, the addresses and fax
     numbers of the respective parties shall be as follows:

          To TSMC:

          Taiwan Semiconductor Manufacturing Company, Ltd.
          No. 121, Park Avenue 3
          Science Based Industrial Park
          Hsin-Chu, Taiwan
          Republic of China              FAX:  886-35-781545

          To Customer:

          Benchmarq Micrelectronics, Inc.
          17919 Waterview Parkway
          Dallas, TX 75252               FAX:  (214) 437-9198

                                       13
<PAGE>
 
19.  ENTIRE AGREEMENT

     In case of any conflict between this Agreement and the Option Agreement
     dated May 31, 1996, the Option Agreement shall govern. This Agreement and
     attached Exhibits and the Option Agreement dated May 31, 1996, constitute
     the entire agreement between the parties with respect to the subject matter
     hereof and supersedes and replaces all prior or contemporaneous
     understandings, agreements, dealings, and negotiations, oral or written,
     regarding the subject matter. Any terms and conditions listed in the
     Purchase Orders placed by Customer under this Agreement, except quantities
     ordered, shipment dates and delivery dates shall not constitute part of
     this Agreement, nor affect or revise the terms and conditions of this
     Agreement, even in cases such Purchase Orders are signed and returned by
     TSMC, unless both parties expressly agree in writing to include any such
     terms or conditions in the Agreement. No modification, alteration or
     amendment of this Agreement shall be effective unless in writing and signed
     by both parties. No waiver of any breach or failure by either party to
     enforce any provision of this Agreement shall be deemed a waiver of any
     other or subsequent breach or a waiver of future enforcement of that or any
     other provision.


          IN WITNESS WHEREOF the parties hereto have caused this Agreement to be
     duly executed in duplicate on their behalf by their duly authorized
     officers and representatives on the date given above.



     Taiwan Semiconductor
     Manufacturing Company, Ltd.


     /s/ Don Brooks  
     -------------------------------------
     Signature

     _____________________________________
     Don Brooks

     _____________________________________
     President

                                       14
<PAGE>
 
          IN WITNESS WHEREOF the parties hereto have caused this Agreement to be
     duly executed in duplicate on their behalf by their duly authorized
     officers and representatives on the date given above.



     Benchmarq Microelectronics, Inc.


     /s/ Derrell Coker                   
     -------------------------------------
     Signature

     _____________________________________
     Derrell Coker

     _____________________________________
     President

                                       15
<PAGE>
 
20.  LIST OF EXHIBITS



EXHIBIT        A    PROCESS DESIGN RULE & PARAMETRIC
                    INFORMATION

               A-1  PROCESS CONTROL INFORMATION

               B    PARAMETRIC AND ELECTRICAL SPECIFICATIONS

               B-1  PACKAGE SPECIFICATION

               C    QUALIFICATION PLAN

               C-1  QUALITY AND RELIABILITY SPECIFICATIONS

               D    INSPECTION AND ACCEPTANCE TESTING
                    METHODS

               E    INCOTERMS

               F    PRICE QUOTE

                                       16
<PAGE>
 
                                  EXHIBIT A-1
                          PROCESS CONTROL INFORMATION



               1.  XXXXXXXXXXXXXXXXX

               2.  XXXXXXXX

               3.  XXXXXXXXXXXX

               4.  XXXXXXXXXXXXXXXXXXXXXXXXXX

               5.  XXXXXXXXXXXXXXXXXXXXXXXXXXXX

               6.  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

               7.  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

               8.  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

               9.  XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX


(X - "Portions of subject exhibit have ommitted and filed separately with the 
      Commission pursuant to a request for Confidential Treatment.")

                                       17
<PAGE>
 
                                   EXHIBIT B
                     PARAMETRIC & ELECTRICAL SPECIFICATIONS

("Portions of subject exhibit have ommitted and filed separately with the 
     Commission pursuant to a request for Confidential Treatment.")

                                       18
<PAGE>
 
                                  EXHIBIT B-1
                             PACKAGE SPECIFICATION

("Portions of subject exhibit have ommitted and filed separately with the 
     Commission pursuant to a request for Confidential Treatment.")

                                       19
<PAGE>
 
                                   EXHIBIT C
                              QUALIFICATION PLAN


1.   Wafers/process must pass all TSMC's documented electrical test parameters
     and physical dimension specifications.

2.   Wafers/process must pass TSMC electromigration, oxide pinhole, hot
     electron, VT stability, metal integrity and metal step coverage tests.

3.   Wafers/process must meet TSMC's documented design rule and device modeling
     specifications.

4.   Wafers and packaged unties will be submitted by Benchmarq for industry
     standard environmental and reliability testing (such as High-Temperature
     Operating Life, Temperature Cycling, THB, Autoclave, etc.). TSMC will be
     notified of any wafer level problems that are detected and will implement
     any necessary corrective action.

5.   TSMC must provide periodic reliability and Statistical Process Control data
     to Benchmarq on a regular basis.

6.   Notices of any major changes to process or materials must be submitted to
     Benchmarq in writing for their approval prior to the change being
     implemented.

                                       20
<PAGE>
 
                                  EXHIBIT C-1
                    QUALITY AND RELIABILITY SPECIFICATIONS


SPECIFICATION NAME                        SPECIFICATION NUMBER
- ------------------                        --------------------

XXXXXXXXXXXXXXXXXXXXXXXXXXXX              XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXX                                 XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXX                        XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXX                     XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXX                                XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXX                  XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXX                    XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXX                        XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXXXXXXX                XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXX                                 XXXXXXXXXXXX

XXXXXXXXXXXXXXXXXXXXXXXXXXXX
XXXXXXXXX                                 XXXXXXXXXXXX

(X- "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                       21

<PAGE>
 
                                   EXHIBIT D
                   INSPECTION AND ACCEPTANCE TESTING METHODS



The following specifications describe the requirements and the minimum
conformance standard for TSMC manufactured products.  The specifications listed
below apply to all products manufactured by TSMC.


1.   TSMC Document XXXXXXXXXXXX Outgoing QA
     Procedure

2.   TSMC PCM data

3.   TSMC functional test data (if applicable)


The above specifications identify the electrical criteria, minimum yield
criteria, visual criteria, and structural and mechanical standards that all TSMC
manufactured Products are required to meet.

(X-  "Portions of the subject exhibit have been ommitted and filed separately 
      with the Commission pursuant to a request for Confidential Treatment.")

                                       22
<PAGE>
 
                                   EXHIBIT E
                                   INCOTERMS



Outline of Incoterms 1990


<TABLE> 
<CAPTION> 
Chapter                                           Contents
- -------                                           -------- 
<S>                                               <C> 
EXW ............................................. Ex Works     

FCA ............................................. Free Carrier

FAS ............................................. Free Alongside Ship       

FOB ............................................. Free On Board  

CAR ............................................. Cost and Freight

CIF ............................................. Cost, Insurance and Freight

CPT ............................................. Carriage Paid To

CIP ............................................. Carriage and Insurance Paid To

DAF ............................................. Delivered at Frontier

DES ............................................. Delivered Es Ship

DEQ ............................................. Delivered Ex Quay (Duty Paid)

DDU ............................................. Delivered Duty Unpaid

DDP ............................................. Delivered Duty Paid
</TABLE> 

                                       23
<PAGE>
 
July 25, 1996                      EXHIBIT F
                                   QUOTE

XXXXXXXXXXXXXXXXX
Benchmarq Microelectronics
Fax No. 214/437-9198


XXXXXXXXXXXXXXXX,

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.
XXXXXXXXXXXXXXXXXXXXXXX.

<TABLE>
<CAPTION>
1. Price Quotation:

   ------------------------------------------------------
   <S>                        <C>                        
   XXXXXXXXXX                 XXXXXXXXXXXXXX             
   ------------------------------------------------------
                       XXXXXXXXXXX     XXXXXXXXXXXXX     
                      XXXX     XXXX   XXXX       XXXX    
                                                         
   XXXXXXXX           $XXX     $XXX   $XXX       $XXX    
                                                         
   XXXXXXXX           $XXX     $XXX   $XXX       $XXX    
                                                         
   XXXXXXXX           $XXX     $XXX   $XXX       $XXX    
                                                         
   XXXXXXXX           $XXX     $XXX   $XXX       $XXX    
   XXXXXXXX           $XXX     $XXX   $XXX       $XXX    
   ------------------------------------------------------ 
</TABLE>

XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.

If you have any questions, please feel free to contactXXXXXXXXXXXXXXXXXXXXXXXXX.





Sincerely,



XXXXXXXXXX
XXXXXXXXXXXXXX,
North American Business
TSMC, USA

XXXXXXXXX

CC:  XXXXXXXXXXXXXXX     XXXXXXXXXXXXXXXX    XXXXXXXXXXXXXX
     XXXXXXXXXXXXX       XXXXXXXXXXXX      XXXXXXXXXXXXXX
     
(X - "Portions of the subject exhibit have been ommitted and filed separately 
     with the Commission pursuant to a request for Confidential Treatment.")

                                      24



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