<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED FINANCIAL STATEMENTS OF INTEGRATED DEVICE TECHNOLOGY,
INC. AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> APR-01-2001
<PERIOD-START> APR-03-2000
<PERIOD-END> OCT-01-2000
<CASH> 460,201
<SECURITIES> 385,413<F1>
<RECEIVABLES> 119,133<F2>
<ALLOWANCES> 0
<INVENTORY> 71,043
<CURRENT-ASSETS> 1,088,531
<PP&E> 266,070<F3>
<DEPRECIATION> 0
<TOTAL-ASSETS> 1,448,311
<CURRENT-LIABILITIES> 332,110
<BONDS> 0
0
0
<COMMON> 106
<OTHER-SE> 1,009,861
<TOTAL-LIABILITY-AND-EQUITY> 1,448,311
<SALES> 500,003
<TOTAL-REVENUES> 500,003
<CGS> 203,992
<TOTAL-COSTS> 203,992
<OTHER-EXPENSES> 62,756
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 2,147
<INCOME-PRETAX> 426,797
<INCOME-TAX> 73,316
<INCOME-CONTINUING> 353,481
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 353,481
<EPS-BASIC> 3.45
<EPS-DILUTED> 3.22
<FN>
<F1>EXCLUDES LONG-TERM INVESTMENTS
<F2>SHOWN NET OF ALLOWANCE
<F3>SHOWN NET OF DEPRECIATION
</FN>
</TABLE>