<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 92,035
<SECURITIES> 5,906
<RECEIVABLES> 3,327
<ALLOWANCES> (212)
<INVENTORY> 1,959
<CURRENT-ASSETS> 103,530
<PP&E> 4,984
<DEPRECIATION> (2,370)
<TOTAL-ASSETS> 107,841
<CURRENT-LIABILITIES> 7,114
<BONDS> 0
0
0
<COMMON> 125,831
<OTHER-SE> (25,110)
<TOTAL-LIABILITY-AND-EQUITY> 107,841
<SALES> 19,187
<TOTAL-REVENUES> 19,187
<CGS> 11,906
<TOTAL-COSTS> 11,906
<OTHER-EXPENSES> 13,044
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 38
<INCOME-PRETAX> (4,570)
<INCOME-TAX> 0
<INCOME-CONTINUING> (4,570)
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> (4,570)
<EPS-BASIC> (1.14)
<EPS-DILUTED> (1.14)
</TABLE>