Filed Pursuant to Rule 424(b)(3)

                                                      Registration No. 333-42308

PROSPECTUS SUPPLEMENT DATED OCTOBER 12, 2001

(To Prospectus filed on July 27, 2000)


                                PMC-SIERRA, INC.


                                   PROSPECTUS

                        1,214,934 Shares of Common Stock
                              ____________________

         This Prospectus Supplement together,  with the Prospectus listed above,
is to be used by certain holders of the above-referenced  securities or by their
transferees,  pledgees,  donees or their successors in connection with the offer
and sale of the above referenced securities.

         The table captioned "Selling Stockholders"  commencing on page 4 of the
Prospectus is hereby amended to reflect the following additions and changes.


                                                               Shares to be
                                                              Offered for the
                  Selling Stockholders                      Selling Stockholder
----------------------------------------------------       ---------------------
Ramineh Behbehanian (1)                                             3,381