<DOCUMENT>
<TYPE>EX-21
<SEQUENCE>3
<FILENAME>a2101147zex-21.txt
<DESCRIPTION>EXHIBIT 21
<TEXT>
<Page>

                                                                      Exhibit 21

                           SUBSIDIARIES OF THE COMPANY

The following is a list of the registrant's subsidiaries:

                                                          Organized
                                                         Under Law Of
                                                      -------------------
Silicon Laboratories UK Ltd.                          United Kingdom
Silicon Laboratories Isolation, Inc.                  State of California
Silicon Laboratories K.K.                             Japan
Silicon Laboratories France, SARL                     France
Silicon Laboratories Asia Pacific, Limited            Hong Kong

</TEXT>
</DOCUMENT>