Attached files

file filename
10-K - 10-K - SEMTECH CORPsmtc-01252015.htm
EX-21.1 - SUBSIDIARIES OF THE COMPANY - SEMTECH CORPsmtc-01252015xex211.htm
EX-31.2 - SECTION 302 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER - SEMTECH CORPsmtc-01252015xex312.htm
EX-32.1 - SECTION 906 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER - SEMTECH CORPsmtc-01252015xex321.htm
EXCEL - IDEA: XBRL DOCUMENT - SEMTECH CORPFinancial_Report.xls
EX-31.1 - SECTION 302 CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER - SEMTECH CORPsmtc-01252015xex311.htm
EX-32.2 - SECTION 906 CERTIFICATION OF THE CHIEF FINANCIAL OFFICER - SEMTECH CORPsmtc-01252015xex322.htm

Exhibit 23.1


CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the following Registration Statements:


Registration Statement (Form S-8 No. 333-80319) pertaining to the Long-Term Stock Incentive Plan of Semtech Corporation;

Registration Statement (Form S-8 No. 333-50448) pertaining to the Non-Director and Non-Executive Officer Long-Term Stock Incentive Plan of Semtech Corporation;

Registration Statement (Form S-8 No. 333-60396) pertaining to the Non-Director and Non-Executive Officer Long-Term Stock Incentive Plan of Semtech Corporation with respect to the registration of 4,000,000 shares of the Semtech Corporation's common stock (3,048,342 of which shares were subsequently deregistered pursuant to Post-Effective Amendment No. 1 to Form S-8 filed August 11, 2008);

Registration Statement (Form S-8 No. 333-60396) pertaining to Semtech Corporation's Non-Qualified Stock Option Grants made to certain executive officers;

Registration Statement (Form S-8 No. 333-118804) pertaining to the Long-Term Stock Incentive Plan of Semtech Corporation with respect to the registration of 4,902,200 shares of the Semtech Corporation's common stock (645,195 of which shares were subsequently deregistered pursuant to Post-Effective Amendment No. 1 to Form S-8 filed August 11, 2008);

Registration Statement (Form S-8 No. 333-152939) pertaining to the 2008 Long-Term Equity Incentive Plan of Semtech Corporation;

Registration Statement (Form S-8 No. 333-163780) pertaining to the 2009 Long-Term Equity Inducement Plan of Semtech Corporation, the 2000 SMI Assumed Plan of Semtech Corporation, and the 2007 SMI Assumed Plan of Semtech Corporation; and

Registration Statement (Form S-8 No. 333-192703) pertaining to the 2013 Long-Term Equity Incentive Plan of Semtech Corporation.


of our reports dated March 30, 2015, with respect to the consolidated financial statements and financial statement schedule of Semtech Corporation and the effectiveness of internal control over financial reporting of Semtech Corporation included in this Annual Report (Form 10-K) of Semtech Corporation for the year ended January 25, 2015.


/s/ Ernst & Young LLP


Los Angeles, California

March 30, 2015