<ARTICLE> 5 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1997 <PERIOD-START> JAN-01-1997 <PERIOD-END> MAR-31-1997 <CASH> 33,782 <SECURITIES> 10,970 <RECEIVABLES> 12,794 <ALLOWANCES> (423) <INVENTORY> 6,173 <CURRENT-ASSETS> 68,696 <PP&E> 16,634 <DEPRECIATION> 4,664 <TOTAL-ASSETS> 91,487 <CURRENT-LIABILITIES> 8,033 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 8 <OTHER-SE> 80,154 <TOTAL-LIABILITY-AND-EQUITY> 91,487 <SALES> 20,783 <TOTAL-REVENUES> 20,783 <CGS> 9,892 <TOTAL-COSTS> 16,950 <OTHER-EXPENSES> (144) <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (70) <INCOME-PRETAX> 4,045 <INCOME-TAX> 1,613 <INCOME-CONTINUING> 2,432 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,432 <EPS-PRIMARY> 0.30 <EPS-DILUTED> 0.30