<ARTICLE> 5 <LEGEND>THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME STATEMENT FOR THE NINE-MONTH PERIOD ENDED SEPTEMBER 30, 2000, AND THE BALANCE SHEET AS OF SEPTEMBER 30, 2000, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-2000 <PERIOD-START> JAN-01-2000 <PERIOD-END> SEP-30-2000 <CASH> 17,357 <SECURITIES> 17,471 <RECEIVABLES> 16,099 <ALLOWANCES> 102 <INVENTORY> 12,477 <CURRENT-ASSETS> 70,177 <PP&E> 27,063 <DEPRECIATION> 17,070 <TOTAL-ASSETS> 87,384 <CURRENT-LIABILITIES> 12,945 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 79 <OTHER-SE> 71,170 <TOTAL-LIABILITY-AND-EQUITY> 87,384 <SALES> 43,599 <TOTAL-REVENUES> 51,026 <CGS> 16,554 <TOTAL-COSTS> 19,800 <OTHER-EXPENSES> 23,813 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 19 <INCOME-PRETAX> 8,544 <INCOME-TAX> 2,734 <INCOME-CONTINUING> 5,810 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 5,810 <EPS-BASIC> 0.74 <EPS-DILUTED> 0.68