<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> SEP-30-1997 <PERIOD-START> OCT-01-1996 <PERIOD-END> DEC-31-1996 <CASH> 108,214 <SECURITIES> 64,883 <RECEIVABLES> 18,149 <ALLOWANCES> 900 <INVENTORY> 10,125 <CURRENT-ASSETS> 204,509 <PP&E> 44,313 <DEPRECIATION> 23,997 <TOTAL-ASSETS> 227,355 <CURRENT-LIABILITIES> 12,329 <BONDS> 271 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 254,066 <OTHER-SE> (39,311) <TOTAL-LIABILITY-AND-EQUITY> 227,355 <SALES> 21,832 <TOTAL-REVENUES> 21,832 <CGS> 9,858 <TOTAL-COSTS> 16,270 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 98 <INCOME-PRETAX> 6,670 <INCOME-TAX> 667 <INCOME-CONTINUING> 6,003 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 6,003 <EPS-PRIMARY> 0.25 <EPS-DILUTED> 0.25