CONSENT OF DELOITTE & TOUCHE LLP, INDEPENDENT AUDITORS

         We consent to the  incorporation  by reference  in this Post  Effective
Amendment No. 2 to the Registration Statement No. 333-40508 of PMC-Sierra,  Inc.
on Form S-8 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.
appearing in the Current Report on Form 8-K/A1 of PMC-Sierra,  Inc. dated August
4, 2000.



/s/DELOITTE & TOUCHE LLP

San Jose, California
October 31, 2000