EXHIBIT 23.1
Published on May 28, 2008
Exhibit
23.1
CONSENT
OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We
consent to the incorporation by reference in the Registration Statements (Form
S-3 No. 333-149999 and Form S-8 Nos. 33-59686, 33-80072, 33-81690, 33-83196,
333-872, 333-40791, 333-67215, 333-93571, 333-51322, 333-53876, 333-73506,
333-96791, 333-99655, 333-101696, 333-103764, 333-109486, 333-119939, 333-140773
and 333-149460) of Microchip Technology Incorporated of our report dated May 23,
2008 with respect to the consolidated financial statements of Microchip
Technology Incorporated and our report dated May 23, 2008 with respect to the
effectiveness of internal control over financial reporting of Microchip
Technology Incorporated, included in this Annual Report (Form 10-K)
for the year ended March 31, 2008.
/s/
Ernst & Young LLP
Phoenix,
Arizona
May 27,
2008