EXHIBIT 23.3

             CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS

         We consent  to the  incorporation  by  reference  in this  Registration
Statement  of  PMC-Sierra,  Inc. on Form S-3 of our report  dated March 10, 2000
(June 13, 2000 as to the second paragraph of Note 9) on the financial statements
of Malleable  Technologies,  Inc. as of December 31, 1999 and 1998,  and for the
years then ended and cumulative from July 31, 1997 (inception)  through December
31, 1999  appearing  in the Current  Report on Form 8-K/A1 of  PMC-Sierra,  Inc.
dated August 4, 2000 and to the  reference to us under the heading  "Experts" in
the Prospectus, which is part of this Registration Statement.

/s/DELOITTE & TOUCHE LLP


San Jose, California
December 5, 2000