<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FINANCIAL
STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30, 2000 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 88,070
<SECURITIES> 65,703
<RECEIVABLES> 54,749
<ALLOWANCES> 4,761
<INVENTORY> 9,221
<CURRENT-ASSETS> 216,419
<PP&E> 22,322
<DEPRECIATION> 7,721
<TOTAL-ASSETS> 302,211
<CURRENT-LIABILITIES> 55,439
<BONDS> 0
0
0
<COMMON> 51
<OTHER-SE> 242,963
<TOTAL-LIABILITY-AND-EQUITY> 302,211
<SALES> 141,009
<TOTAL-REVENUES> 141,009
<CGS> 64,180
<TOTAL-COSTS> 64,180
<OTHER-EXPENSES> 52,100
<LOSS-PROVISION> 280
<INTEREST-EXPENSE> 296
<INCOME-PRETAX> 28,382
<INCOME-TAX> 4,378
<INCOME-CONTINUING> 24,004
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 24,004
<EPS-BASIC> 0.48
<EPS-DILUTED> 0.41
</TABLE>