Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO SECTION 906

OF THE SARBANES-OXLEY ACT OF 2002

I, Steve J. Geiser hereby certify, in accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, in my capacity as an officer of PMC-Sierra, Inc. (“PMC”), that, to my knowledge, this Quarterly Report of PMC on Form 10-Q for the period ended June 29, 2013, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that the information contained in such report fairly presents, in all material respects, the financial condition and results of operations of PMC.

Date:	August 7, 2013	By:	/s/ Steven J. Geiser
		Steven J. Geiser
		Vice President,
		Chief Financial Officer and
		Principal Accounting Officer