As filed with the Securities and Exchange Commission on November 21, 1997
                                                Registration No. 333-
- --------------------------------------------------------------------------------
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                          -----------------------------
                                    FORM S-8
                             REGISTRATION STATEMENT
                                      Under
                           The Securities Act of 1933
                    ----------------------------------------
                        MICROCHIP TECHNOLOGY INCORPORATED
             (Exact Name of Registrant as Specified in Its Charter)
                        ---------------------------------
        Delaware                                                   86-062904
(State of Incorporation)                    (I.R.S. Employer Identification No.)

                   2355 W. Chandler Blvd., Chandler, AZ 85224
          (Address of Principal Executive Offices, Including Zip Code)
                        ---------------------------------
                        MICROCHIP TECHNOLOGY INCORPORATED
                             1993 Stock Option Plan
                          Employee Stock Purchase Plan
                             International Employee
                              Stock Purchase Plan
                           (Full Titles of the Plans)
                        ---------------------------------
                                  Steve Sanghi
                      President and Chief Executive Officer
                        MICROCHIP TECHNOLOGY INCORPORATED
               2355 W. Chandler Boulevard, Chandler, Arizona 85224
                                  (602)786-7200
          (Telephone Number, Including Area Code, of Agent for Service)
                       ----------------------------------
This Registration  Statement shall become effective immediately upon filing with
the Securities and Exchange Commission,  and sales of the registered  securities
begin as soon as reasonably practicable after such effective date.

                         CALCULATION OF REGISTRATION FEE


========================================================================================================================
                                                                                      Proposed
                                                               Proposed Maximum        Maximum
                                              Amount to be    Offering Price Per      Aggregate             Amount of
Title of Securities to be Registered           Registered           Share           Offering Price      Registration Fee
                                                                                                       
Common Stock, $.001 par value
per share:

1993 Stock Option Plan                        2,000,000(1)          $36.0625(2)       $72,125,000(2)          $21,853.88

Employee Stock Purchase Plan                    300,000(1)          $30.6531(2)       $ 9,195,930(2)          $ 2,786.37

International Employee Stock
Purchase Plan                                    10,000(1)          $36.0625(2)       $   360,625(2)          $   109.27
Total                                         2,310,000(1)                            $81,681,555(2)          $24,749.52
========================================================================================================================

1.       This  Registration  Statement shall also cover any additional shares of
         Common Stock which become issuable under the 1993 Stock Option Plan and
         the Employee Stock Purchase Plan and the  International  Employee Stock
         Purchase   Plan  by  reason  of  any  stock   dividend,   stock  split,
         recapitalization  or any other similar  transaction  without receipt of
         consideration which results in an increase in the number of outstanding
         shares of Common Stock of Microchip Technology Incorporated.

2.       Calculated  solely for purposes of this  offering  under Rule 457(h) of
         the  Securities  Act of 1933,  as amended,  on the basis of 100% of the
         average of the high and low  prices  reported  on the  Nasdaq  National
         Market System on November 20, 1997 (the "Market Price") as to 2,010,000
         shares and 85% of the Market Price as to 300,000 shares.

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

                                     PART II

               Information Required in the Registration Statement

                  Microchip  Technology  Incorporated (the "Registrant")  hereby
incorporates by reference into this Registration Statement,  pursuant to General
Instruction "E" to Form S-8, the contents of the Registration  Statement on Form
S-8 (No. 33-59686) filed with the Securities and Exchange Commission (the "SEC")
on March 17,  1993,  the  contents of  Registration  Statement  on Form S-8 (No.
33-80072)  filed with the SEC on June 10,  1994,  the  contents of  Registration
Statement on Form S-8 (No.  33-81690)  filed with the SEC on July 18, 1994,  the
contents of the Registration Statement on Form S-8 (No. 33-83196) filed with the
SEC on August 24, 1994, and the contents of  Registration  Statement on Form S-8
(No. 333-872) filed with the SEC on January 23, 1996.

Item 3.           Incorporation of Documents By Reference
                  ---------------------------------------

                  There  are   hereby   incorporated   by   reference   in  this
Registration  Statement the following documents and information heretofore filed
by the Registrant with the SEC:

                  (1) The Registrant's Annual Report on Form 10-K for the fiscal
year ended March 31, 1997.

                  (2) The  Registrant's  Quarterly  Report  on Form 10-Q for the
quarters ended September 30, 1997 and June 30, 1997.

                  (3)  The  description  of  the  Registrant's  Preferred  Share
Purchase Rights contained in the Registrant's Registration Statement on Form 8-A
filed on February 14, 1995.

                  (4) The description of the Registrant's Common Stock contained
in the  Registrant's  Registration  Statement  on Form 8-A filed on  February 5,
1993.

                  All  documents  filed by the  Registrant  pursuant to Sections
13(a),  13(c),  14 and  15(d)  of the  1934  Act on or  after  the  date of this
Registration  Statement  and prior to the filing of a  post-effective  amendment
which indicates that all securities  offered have been sold or which deregisters
all  securities  then  remaining  unsold shall be deemed to be  incorporated  by
reference in this Registration  Statement and to be part hereof from the date of
filing of such documents.

Item 8.           Exhibits
                  --------


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

               
  5               Opinion and Consent of Mary Simmons-Mothershed, Esq.
  10              International Employee Stock Purchase Plan as Amended Through April 25, 1997
  10.1            Microchip  Technology  Incorporated  Employee  Stock  Purchase  Plan,  as amended  through April 25, 1997
                  [Incorporated  by Reference to Exhibit  10.13 to  Registrant's  Annual Report in Form 10-K for the Fiscal
                  Year Ended March 31, 1997]
  10.2            Form of Stock Purchase  Agreement for Employee Stock Purchase Plan  [Incorporated by Reference to 
                  Exhibit 10.2 to Registration Statement No. 333-872]
  10.3            Form of Enrollment  Form for Employee Stock Purchase Plan  [Incorporated  by Reference to Exhibit 10.3
                  to Registration Statement No. 333-872]
  10.4            Form of Change Form for  Employee  Stock  Purchase  Plan  [Incorporated  by  Reference to Exhibit 10.4 to
                  Registration Statement No. 333-872]
  10.5            Microchip Technology Incorporated 1993 Stock Option Plan, as amended through April 25, 1997
                  [Incorporated by Reference to Exhibit 10.11 to Registrant's Annual Report in Form 10-K for
                  the Fiscal Year Ended March 31, 1997]
  10.6            Form of Notice of Grant for 1993 Stock Option Agreement for 1993 Stock Option Plan, with Exhibit A 
                  thereto, Form of Stock Option Agreement; and Exhibit B thereto, Form of Stock Purchase Agreement
                  [Incorporated by Reference to Exhibit 10.6 to Registration Statement No. 333-872]
  23.1            Consent of Independent Auditors - KPMG Peat Marwick LLP
  23.2            Consent of Mary Simmons-Mothershed, Esq. is contained in Exhibit 5
  24              Power of Attorney.  Reference is made to page II-2 of this Registration Statement

                                      II-1

                                   SIGNATURES

Pursuant to the  requirements  of the  Securities  Act of 1933,  the  registrant
certifies  that it has  reasonable  grounds to believe  that it meets all of the
requirements  for  filing  on Form S-8 and has  duly  caused  this  registration
statement  to be  signed  on its  behalf  by  the  undersigned,  thereunto  duly
authorized, in the City of Chandler, State of Arizona, on November 20, 1997.

                                        MICROCHIP TECHNOLOGY INCORPORATED



                                        By  /s/ Steve Sanghi
                                           -------------------------------------
                                                  Steve Sanghi, President and
                                                  Chief Executive Officer

                                POWER OF ATTORNEY
                                -----------------

KNOW ALL MEN BY THESE PRESENTS:

         That the  undersigned  officers and  directors of Microchip  Technology
Incorporated,  a Delaware  corporation,  do hereby  constitute and appoint Steve
Sanghi   and   Mary   Simmons-Mothershed,   and  each  of   them,   the   lawful
attorneys-in-fact  and agents,  with full power and  authority to do any and all
acts and things and to execute any and all instruments  which said attorneys and
agents, and any one of them, determine may be necessary or advisable or required
to  enable  said  corporation  to comply  with the  Securities  Act of 1933,  as
amended,  and any rules or  regulations  or  requirements  of the Securities and
Exchange  Commission in connection  with this  Registration  Statement.  Without
limiting the generality of the foregoing power and authority, the powers granted
include the power and  authority to sign the names of the  undersigned  officers
and directors in the capacities indicated below to this Registration  Statement,
to  any  and  all  amendments,   both  pre-effective  and  post-effective,   and
supplements  to this  Registration  Statement and to any and all  instruments or
documents filed as part of or in conjunction with this Registration Statement or
to  amendments  or  supplements  thereof,  and  each of the  undersigned  hereby
ratifies and confirms all that said  attorneys  and agents,  or any one of them,
shall do or cause to be done by virtue  thereof.  This Power of Attorney  may be
signed in several counter parts.

         IN WITNESS WHEREOF,  each of the undersigned has executed this Power of
Attorney as of the date indicated.

         Pursuant  to the  requirements  of the  Securities  Act of  1933,  this
registration  statement  has  been  signed  by  the  following  persons  in  the
capacities and on the date indicated.


Signature                                            Title                                                Date
- ---------                                            -----                                                ----
                                                                                              
/s/ Steve Sanghi                    Chairman of the Board of Directors,                             November 20, 1997
- ---------------------               President and Chief Executive Officer
Steve Sanghi                        (Principal Executive Officer)        
                                    

                                      II-2


                                                                                              
/s/ C. Philip Chapman               Vice President, Chief Financial Officer and                     November 20, 1997
- ----------------------------        Secretary (Principal Accounting and        
C. Philip Chapman                           Financial Officer)                 
                                    

/s/ Albert J. Hugo-Martinez         Director                                                        November 20, 1997
- ----------------------------
Albert J. Hugo-Martinez

/s/ Jon H. Beedle                   Director                                                        November 20, 1997
- ----------------------------
Jon H. Beedle

/s/ L.B. Day                        Director                                                        November 20, 1997
- ----------------------------
L.B. Day

/s/ Matthew W. Chapman              Director                                                        November 20, 1997
- ----------------------------
Matthew W. Chapman

                                      II-3

                       SECURITIES AND EXCHANGE COMMISSION
                                Washington, D.C.
                                    EXHIBITS
                                       TO
                                    FORM S-8
                          UNDER SECURITIES ACT OF 1933
                        MICROCHIP TECHNOLOGY INCORPORATED

                                  EXHIBIT INDEX
                                  -------------


Exhibit
Number            Exhibit
- ------            -------

               
  5               Opinion and Consent of Mary Simmons-Mothershed, Esq.
  10              International Employee Stock Purchase Plan as Amended Through April 25, 1997
  10.1            Microchip Technology Incorporated Employee Stock Purchase Plan,
                  as amended through April 25, 1997 [Incorporated by Reference to Exhibit 10.13 to
                  Registrant's Annual Report in Form 10-K for the Fiscal Year Ended March 31, 1997]
  10.2            Form of Stock Purchase  Agreement for Employee Stock Purchase Plan  [Incorporated by 
                  Reference to Exhibit 10.2 to Registration Statement No. 333-872]
  10.3            Form of Enrollment Form for Employee Stock Purchase Plan [Incorporated by Reference
                  to 10.3 to Registration Statement No. 333-872]
  10.4            Form of Change Form for Employee Stock Purchase Plan [Incorporated by Reference to 
                  10.4 to Registration Statement No. 333-872]
  10.5            Microchip Technology Incorporated 1993 Stock Option Plan, as
                  amended through April 25, 1997 [Incorporated by Reference to Exhibit 10.11 to
                  Registrant's Annual Report in Form 10-K for the Fiscal Year Ended March 31, 1997]
  10.6            Form of Notice of Grant with Stock Option Agreement for 1993 Stock Option Plan, with
                  Exhibit A thereto, Form of Stock Option Agreement; and Exhibit B thereto,
                  Form of Stock Purchase Agreement [Incorporated by Reference to Exhibit 10.6 to
                  Registration Statement No. 333-872]
  23.1            Consent of Independent Auditors - KPMG Peat Marwick LLP
  23.2            Consent of Mary Simmons-Mothershed, Esq. is contained in Exhibit 5
  24              Power of Attorney. Reference is made to page II-2 of this Registration
                  Statement