<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S QUARTERLY REPORT ON FORM 10-Q 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> 51,809
<SECURITIES> 4,300
<RECEIVABLES> 22,740
<ALLOWANCES> 407
<INVENTORY> 13,880
<CURRENT-ASSETS> 97,210
<PP&E> 11,454
<DEPRECIATION> 3,912
<TOTAL-ASSETS> 121,739
<CURRENT-LIABILITIES> 21,249
<BONDS> 0
0
0
<COMMON> 50
<OTHER-SE> 98,741
<TOTAL-LIABILITY-AND-EQUITY> 121,739
<SALES> 82,361
<TOTAL-REVENUES> 82,361
<CGS> 23,604
<TOTAL-COSTS> 59,703
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 0
<INCOME-PRETAX> 23,290
<INCOME-TAX> 8,617
<INCOME-CONTINUING> 14,673
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 14,673
<EPS-BASIC> 0.32
<EPS-DILUTED> 0.30
</TABLE>