<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S CONDENSED BALANCE SHEETS (UNAUDITED) AS OF SEPTEMBER 30, 2000 AND
---------
CONDENSED STATEMENT OF OPERATIONS (UNAUDITED) FOR THE THREE MONTHS ENDED
SEPTEMBER 30, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JUL-01-2000
<PERIOD-END> SEP-30-2000
<CASH> 36,793
<SECURITIES> 1,198
<RECEIVABLES> 5,663
<ALLOWANCES> 292
<INVENTORY> 5,474
<CURRENT-ASSETS> 49,700
<PP&E> 3,468
<DEPRECIATION> 1,678
<TOTAL-ASSETS> 52,712
<CURRENT-LIABILITIES> 6,498
<BONDS> 21
51
0
<COMMON> 33
<OTHER-SE> 46,109
<TOTAL-LIABILITY-AND-EQUITY> 52,712
<SALES> 11,149
<TOTAL-REVENUES> 11,149
<CGS> 4,410
<TOTAL-COSTS> 4,410
<OTHER-EXPENSES> 4,909
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 224
<INCOME-PRETAX> 2,054
<INCOME-TAX> (44)
<INCOME-CONTINUING> 2,098
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 2,098
<EPS-BASIC> 0.08
<EPS-DILUTED> 0.06
</TABLE>