Company:  SILICON LABORATORIES INC (SLAB)
Form Type:  4
Filing Date:  3/15/2012 
CIK:  0001038074 
Address:  400 W CESAR CHAVEZ 
City, State, Zip:  AUSTIN, Texas 78701 
Telephone:  (512) 416-8500 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$43.10  
Change: 
0.43 (1.01%)  
Trade Time: 
11:17 AM EST  
Market Cap: 
$1.83B
Description of Business
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  FORM 4
    NAME AND TITLE
    NON DERIVATIVE SECURITIES
    DERIVATIVE SECURITIES
    EXPLANATIONS AND REMARKS
    REPORTING OWNERS
    SIGNATURES