<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE INCOME STATEMENT FOR THE SIX-MONTH PERIOD ENDED JUNE 30, 1997, AND THE BALANCE SHEET AS OF JUNE 30,1997, AND IS QUALIFIED IN ITS ENTIRETY BY REERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> JUN-30-1997 <CASH> 26,132 <SECURITIES> 0 <RECEIVABLES> 11,666 <ALLOWANCES> 530 <INVENTORY> 9,711 <CURRENT-ASSETS> 50,741 <PP&E> 17,535 <DEPRECIATION> 9,958 <TOTAL-ASSETS> 63,465 <CURRENT-LIABILITIES> 9,215 <BONDS> 215 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 75 <OTHER-SE> 53,165 <TOTAL-LIABILITY-AND-EQUITY> 63,465 <SALES> 18,834 <TOTAL-REVENUES> 24,306 <CGS> 6,563 <TOTAL-COSTS> 8,430 <OTHER-EXPENSES> 11,720 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 23 <INCOME-PRETAX> 4,650 <INCOME-TAX> 1,651 <INCOME-CONTINUING> 2,999 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,999 <EPS-PRIMARY> .40 <EPS-DILUTED> .40