<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 104,686 <SECURITIES> 72,148 <RECEIVABLES> 117,890 <ALLOWANCES> 0 <INVENTORY> 57,957 <CURRENT-ASSETS> 364,634 <PP&E> 27,943 <DEPRECIATION> 0 <TOTAL-ASSETS> 420,196 <CURRENT-LIABILITIES> 113,162 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 147,379 <OTHER-SE> 156,890 <TOTAL-LIABILITY-AND-EQUITY> 420,196 <SALES> 106,283 <TOTAL-REVENUES> 106,283 <CGS> 40,847 <TOTAL-COSTS> 40,847 <OTHER-EXPENSES> 34,067 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 32,662 <INCOME-TAX> 12,411 <INCOME-CONTINUING> 20,251 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 20,251 <EPS-PRIMARY> 0.64 <EPS-DILUTED> 0.64