Exhibit 16 ---------- January 11, 2006 Securities and Exchange Commission 100 F Street, N.E. Washington, DC 20549 Commissioners: We have read the statements made by Standard Microsystems Corporation Incentive Savings and Retirement Plan (copy attached), which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Standard Microsystems Corporation Incentive Savings and Retirement Plan dated November 15, 2005. We agree with the statements concerning our Firm in such Form 8-K. Very truly yours, /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP