<DOCUMENT>
<TYPE>EX-99.A.1.K
<SEQUENCE>9
<FILENAME>dex99a1k.txt
<DESCRIPTION>E-MAIL DATED NOVEMBER 1, 2001
<TEXT>
<PAGE>

                                                             Exhibit (a)(1)(K)

To AMCC Optionholder:

In response to a request made by the Securities and Exchange Commission, the
expiration of the Stock Option Exchange Program has been extended from 5:00 p.m.
Pacific Standard Time on November 27, 2001 to 12:00 midnight Pacific Standard
Time on November 27, 2001. All other terms of the Stock Option Exchange Program
remain the same. Please visit the AMCC intranet located at http://cww/Stock/ to
                                                           -----------------
access a supplement to the Offer to Exchange which reflects this change.

</TEXT>
</DOCUMENT>