Exhibit 21.1

                                PMC-SIERRA, INC.
                              LIST OF SUBSIDIARIES

1.   PMC-Sierra Ltd., organized under the laws of British Columbia, doing
     business only under its official name or under PMC-Sierra, Inc.

2.   PMC-Sierra International Inc., organized under the laws of Barbados, doing
     business only under its official name or under PMC-Sierra, Inc.

3.   PMC-Sierra Europe Ltd., organized under the laws of the United Kingdom,
     doing business only under its official name or under PMC-Sierra, Inc.

4.   PMC-Sierra Ireland Limited, organized under the laws of the Ireland, doing
     business only under its official name or under PMC-Sierra, Inc.

5.   PMC-Sierra US, Inc., organized under the laws of Delaware, doing business
     only under its official name or under PMC-Sierra, Inc.

6.   PMC-Sierra, Inc. (Portland), organized under the laws of Delaware, doing
     business only under its official name or under PMC-Sierra, Inc.