POWER OF ATTORNEY



 Know all by these presents, that the undersigned hereby constitutes and

appoints each of Gordon Parnell and Deborah L. Wussler, signing singly, the

undersigned's true and lawful attorney-in-fact to:



(1) execute for and on behalf of the undersigned, in the undersigned's

capacity as an officer and/or director of Microchip Technology Incorporated

(the "Company"), Forms 3, 4, and 5 in accordance with Section 16(a) of

the Securities Exchange Act of 1934 and the rules thereunder;



(2) do and perform any and all acts for and on behalf of the undersigned

which may be necessary or desirable to complete and execute any such

Form 3, 4, or 5, complete and execute any amendment or amendments

thereto, and timely file such form with the United States Securities and

Exchange Commission and any stock exchange or similar authority; and



(3) take any other action of any type whatsoever in connection with the

foregoing which, in the opinion of such attorney-in-fact, may be of benefit

to, in the best interest of, or legally required by, the undersigned, it being

understood that the documents executed by such attorney-in-fact on

behalf of the undersigned pursuant to this Power of Attorney shall be in

such form and shall contain such terms and conditions as such attorney-in-

fact may approve in such attorney-in-fact's discretion.



 The undersigned hereby grants to each such attorney-in-fact full power and

authority to do and perform any and every act and thing whatsoever requisite,

necessary, or proper to be done in the exercise of any of the rights and powers

herein granted, as fully to all intents and purposes as the undersigned might or

could do if personally present, with full power of substitution or revocation,

hereby ratifying and confirming all that such attorney-in-fact, or such

attorney-in-fact's substitute or substitutes, shall lawfully do or

cause to be done by virtue of this power of attorney and the rights and powers

herein granted.  The undersigned acknowledges that the foregoing attorneys-in-

fact, in serving in such capacity at the request of the undersigned, are not

assuming, nor is the Company assuming, any of the undersigned's responsibilities

to comply with Section 16 of the Securities Exchange Act of 1934.



 This Power of Attorney shall remain in full force and effect until the

undersigned is no longer required to file Forms 3, 4, and 5 with respect to the

undersigned's holdings of and transactions in securities issued by the Company,

unless earlier revoked by the undersigned in a signed writing delivered to the

foregoing attorneys-in-fact.



 IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to

be executed as of this 29th day of September, 2003.





/s/Steve Sanghi

Signature



Steve Sanghi

Print Name