<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE NINE MONTHS ENDED SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<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> 71,762
<SECURITIES> 92,820
<RECEIVABLES> 50,565
<ALLOWANCES> 720
<INVENTORY> 20,164
<CURRENT-ASSETS> 240,514
<PP&E> 29,191
<DEPRECIATION> 9,757
<TOTAL-ASSETS> 328,104
<CURRENT-LIABILITIES> 63,498
<BONDS> 0
0
0
<COMMON> 52
<OTHER-SE> 259,845
<TOTAL-LIABILITY-AND-EQUITY> 328,104
<SALES> 234,530
<TOTAL-REVENUES> 234,530
<CGS> 108,263
<TOTAL-COSTS> 108,263
<OTHER-EXPENSES> 82,626
<LOSS-PROVISION> 580
<INTEREST-EXPENSE> 445
<INCOME-PRETAX> 49,543
<INCOME-TAX> 13,464
<INCOME-CONTINUING> 36,079
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 36,079
<EPS-BASIC> 0.72
<EPS-DILUTED> 0.62
</TABLE>