0001285081-07-000061 3 1 20070910 20070912 20070912 Onken Kristen M 0001412139 3 34 000-29823 071114183 512-416-8500 400 W CESAR CHAVEZ AUSTIN TX 78701 SILICON LABORATORIES INC 0001038074 3674 742793174 DE 1231 400 W CESAR CHAVEZ AUSTIN TX 78701 5124168500 400 W CESAR CHAVEZ AUSTIN TX 78701 3 1 primary_doc.xml PRIMARY DOCUMENT