<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEETS AND CONSOLIDATED STATEMENTS OF INCOME FOUND ON PAGES
3 AND 4 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> 23,685
<SECURITIES> 22,355
<RECEIVABLES> 8,748
<ALLOWANCES> 1,069
<INVENTORY> 9,160
<CURRENT-ASSETS> 72,403
<PP&E> 14,854
<DEPRECIATION> 8,348
<TOTAL-ASSETS> 104,032
<CURRENT-LIABILITIES> 15,087
<BONDS> 0
0
0
<COMMON> 205
<OTHER-SE> 86,980
<TOTAL-LIABILITY-AND-EQUITY> 104,032
<SALES> 18,575
<TOTAL-REVENUES> 18,575
<CGS> 14,428
<TOTAL-COSTS> 14,428
<OTHER-EXPENSES> 34,782
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 1
<INCOME-PRETAX> 38,239
<INCOME-TAX> 5,952
<INCOME-CONTINUING> 32,287
<DISCONTINUED> (571)
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 31,716
<EPS-BASIC> 1.64
<EPS-DILUTED> 1.56
</TABLE>