<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM 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> 52,414
<SECURITIES> 0
<RECEIVABLES> 23,012
<ALLOWANCES> (1,850)
<INVENTORY> 15,023
<CURRENT-ASSETS> 92,806
<PP&E> 27,546
<DEPRECIATION> (14,890)
<TOTAL-ASSETS> 125,122
<CURRENT-LIABILITIES> 20,853
<BONDS> 0
0
0
<COMMON> 0
<OTHER-SE> 104,269
<TOTAL-LIABILITY-AND-EQUITY> 125,122
<SALES> 93,939
<TOTAL-REVENUES> 93,939
<CGS> 55,910
<TOTAL-COSTS> 55,910
<OTHER-EXPENSES> 34,235
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> (2,384)
<INCOME-PRETAX> 6,178
<INCOME-TAX> 2,468
<INCOME-CONTINUING> 3,710
<DISCONTINUED> 0
<EXTRAORDINARY> (1,520)
<CHANGES> 0
<NET-INCOME> 5,230
<EPS-BASIC> 0.19
<EPS-DILUTED> 0.18
</TABLE>