<ARTICLE> 5 <MULTIPLIER> 1 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> MAR-31-1997 <PERIOD-START> APR-01-1996 <PERIOD-END> JUN-30-1996 <CASH> 16,375 <SECURITIES> 99,454 <RECEIVABLES> 18,819 <ALLOWANCES> 3,824 <INVENTORY> 2,023 <CURRENT-ASSETS> 140,416 <PP&E> 30,493 <DEPRECIATION> 9,405 <TOTAL-ASSETS> 163,765 <CURRENT-LIABILITIES> 22,215 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 37 <OTHER-SE> 141,476 <TOTAL-LIABILITY-AND-EQUITY> 163,765 <SALES> 35,010 <TOTAL-REVENUES> 35,010 <CGS> 5,434 <TOTAL-COSTS> 5,434 <OTHER-EXPENSES> 20,623 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 0 <INCOME-PRETAX> 10,319 <INCOME-TAX> 3,199 <INCOME-CONTINUING> 7,120 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 7,120 <EPS-PRIMARY> 0.18 <EPS-DILUTED> 0.18