<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THE FOLLOWING SCHEDULE CONTAINS SUMMARY RESTATED FINANCIAL INFORMATION
EXTRACTED FROM THE FORM 8K FOR THE YEAR ENDED DECEMBER 26, 1999 AND IS QUALIFIED
IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. THIS SCHEDULE HAS
BEEN RESTATED TO INCLUDE THE FINANCIAL POSITION AND RESULTS OF OPERATIONS OF
QUANTUM EFFECT DEVICES, INC. FOR THE YEAR ENDED DECEMBER 26, 1999.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 12-MOS
<FISCAL-YEAR-END> Dec-26-1999
<PERIOD-START> Dec-28-1998
<PERIOD-END> Dec-26-1999
<CASH> 93,534
<SECURITIES> 112,752
<RECEIVABLES> 43,753
<ALLOWANCES> (1,544)
<INVENTORY> 14,277
<CURRENT-ASSETS> 287,646
<PP&E> 102,269
<DEPRECIATION> (50,808)
<TOTAL-ASSETS> 380,697
<CURRENT-LIABILITIES> 101,635
<BONDS> 4,897
0
39,949
<COMMON> 230,287
<OTHER-SE> (12,160)
<TOTAL-LIABILITY-AND-EQUITY> 380,697
<SALES> 294,743
<TOTAL-REVENUES> 294,743
<CGS> 72,629
<TOTAL-COSTS> 72,629
<OTHER-EXPENSES> 141,021
<LOSS-PROVISION> 431
<INTEREST-EXPENSE> 1,526
<INCOME-PRETAX> 115,776
<INCOME-TAX> 41,337
<INCOME-CONTINUING> 74,439
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 74,439
<EPS-BASIC> 0.51
<EPS-DILUTED> 0.47
</TABLE>