<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 186,685
<SECURITIES> 24,724
<RECEIVABLES> 61,677
<ALLOWANCES> 1,726
<INVENTORY> 36,147
<CURRENT-ASSETS> 329,276
<PP&E> 32,416
<DEPRECIATION> 16,509
<TOTAL-ASSETS> 395,999
<CURRENT-LIABILITIES> 63,547
<BONDS> 0
0
0
<COMMON> 38
<OTHER-SE> 332,414
<TOTAL-LIABILITY-AND-EQUITY> 395,999
<SALES> 231,272
<TOTAL-REVENUES> 231,272
<CGS> 103,012
<TOTAL-COSTS> 103,012
<OTHER-EXPENSES> 71,883<F1>
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 55,338
<INCOME-TAX> 18,262
<INCOME-CONTINUING> 37,076
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 37,076
<EPS-BASIC> 0.52
<EPS-DILUTED> 0.48
<FN>
<F1>Includes Litigation reserve release of $1.8 million and $3.9 million of
interest income.
</FN>
</TABLE>