Mindspeed (MSPD) 10-Q 2008 Q3 Quarterly report

EXHIBIT 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of Mindspeed Technologies, Inc. (the “Company”) for the quarter ended June 27, 2008, as filed with the Securities and Exchange Commission (the “Report”), I, Bret W. Johnsen, Senior Vice President, Chief Financial Officer and Treasurer of the Company, hereby certify as of the date hereof, solely for purposes of Title 18, Chapter 63, Section 1350 of the United States Code, that to the best of my knowledge:

(1)the Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, and

(2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of the dates and for the periods indicated.

This Certification has not been, and shall not be deemed, “filed” with the Securities and Exchange Commission.

Dated: August 5, 2008	/s/ BRET W. JOHNSEN
	Bret W. Johnsen
	Senior Vice President, Chief Financial
	Officer and Treasurer