Exhibit 23.1
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            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
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We  hereby  consent  to the  incorporation  by  reference  in  the  Registration
Statements  on Form S-3 (No. 333 - 81067) and Form S-8 (No. 2 - 78324,  No. 33 -
69224,  No. 33 - 83400,  No. 333 - 09271,  No. 333 - 64043, No. 333 - 84237, No.
333 - 47794,  No. 333 - 66138,  and No.  333-108842)  of  Standard  Microsystems
Corporation  of our report  dated May 16,  2005,  relating  to the  consolidated
financial statements,  financial statement schedule, and management's assessment
of the effectiveness of internal control over financial reporting, which appears
in this Form 10-K.



/s/    PricewaterhouseCoopers LLP

New York, New York
May 16, 2005