<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET, CONSOLIDATED STATEMENT OF OPERATIONS AND CONSOLIDATED STATEMENT OF CASH FLOWS INCLUDED IN THE COMPANY'S FORM 10-K FOR THE PERIOD ENDING DECEMBER 31, 1996, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 12-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> DEC-31-1996 <CASH> 23,911 <SECURITIES> 10,314 <RECEIVABLES> 23,377 <ALLOWANCES> 1,840 <INVENTORY> 10,141 <CURRENT-ASSETS> 74,272 <PP&E> 32,856 <DEPRECIATION> 21,824 <TOTAL-ASSETS> 108,853 <CURRENT-LIABILITIES> 27,067 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 14 <OTHER-SE> 81,772 <TOTAL-LIABILITY-AND-EQUITY> 108,853 <SALES> 104,370 <TOTAL-REVENUES> 104,370 <CGS> 32,383 <TOTAL-COSTS> 32,383 <OTHER-EXPENSES> 55,718 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 420 <INCOME-PRETAX> 18,054 <INCOME-TAX> 5,415 <INCOME-CONTINUING> 12,639 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 12,639 <EPS-PRIMARY> 0.83 <EPS-DILUTED> 0.83