<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 3-MOS 9-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-2000
<PERIOD-START> JUL-01-2000 JAN-01-2000
<PERIOD-END> SEP-30-2000 SEP-30-2000
<CASH> 71,994 71,994
<SECURITIES> 0 0
<RECEIVABLES> 10,776 10,776
<ALLOWANCES> 1,925 1,925
<INVENTORY> 6,091 6,091
<CURRENT-ASSETS> 88,391 88,391
<PP&E> 13,853 13,853
<DEPRECIATION> 5,738 5,738
<TOTAL-ASSETS> 97,729 97,729
<CURRENT-LIABILITIES> 14,971 14,971
<BONDS> 0 0
0 0
0 0
<COMMON> 20 20
<OTHER-SE> 133,820 133,820
<TOTAL-LIABILITY-AND-EQUITY> 97,729 97,729
<SALES> 14,864 41,139
<TOTAL-REVENUES> 14,864 41,139
<CGS> 5,846 16,564
<TOTAL-COSTS> 12,873 36,076
<OTHER-EXPENSES> (1,272) (2,695)
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 12 45
<INCOME-PRETAX> 3,251 7,713
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 3,251 7,713
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 3,251 7,713
<EPS-BASIC> 0.16 0.40
<EPS-DILUTED> 0.15 0.36
</TABLE>