<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> JUN-30-1998 <CASH> 69,253 <SECURITIES> 148,351 <RECEIVABLES> 42,914 <ALLOWANCES> 2,740 <INVENTORY> 48,951 <CURRENT-ASSETS> 318,757 <PP&E> 52,096 <DEPRECIATION> 25,162 <TOTAL-ASSETS> 354,716 <CURRENT-LIABILITIES> 28,645 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 2,518 <OTHER-SE> 323,553 <TOTAL-LIABILITY-AND-EQUITY> 354,716 <SALES> 125,585 <TOTAL-REVENUES> 125,585 <CGS> 0 <TOTAL-COSTS> 54,999 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 21,349 <INCOME-TAX> 7,296 <INCOME-CONTINUING> 14,053 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 14,053 <EPS-PRIMARY> 0.63<F1> <EPS-DILUTED> 0.63 <FN> <F1>The amount is reported as EPS BASIC, NOT PRIMARY. </FN>