<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME STATEMENT FOR THE NINE-MONTH PERIOD ENDED SEPTEMBER 30, 1999, AND THE BALANCE SHEET AS OF SEPTEMBER 30, 1999, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1999 <PERIOD-START> JAN-01-1999 <PERIOD-END> SEP-30-1999 <CASH> 3,489 <SECURITIES> 13,516 <RECEIVABLES> 14,681 <ALLOWANCES> 265 <INVENTORY> 14,320 <CURRENT-ASSETS> 48,950 <PP&E> 25,252 <DEPRECIATION> 14,318 <TOTAL-ASSETS> 67,919 <CURRENT-LIABILITIES> 8,939 <BONDS> 251 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 75 <OTHER-SE> 57,237 <TOTAL-LIABILITY-AND-EQUITY> 67,919 <SALES> 32,504 <TOTAL-REVENUES> 39,279 <CGS> 11,666 <TOTAL-COSTS> 14,999 <OTHER-EXPENSES> 20,218 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 36 <INCOME-PRETAX> 4,516 <INCOME-TAX> 1,445 <INCOME-CONTINUING> 3,071 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 3,071 <EPS-BASIC> .41 <EPS-DILUTED> .39