<ARTICLE> 5 <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> MAR-31-1997 <PERIOD-START> APR-01-1996 <PERIOD-END> DEC-31-1996 <CASH> 3,944 <SECURITIES> 24,318 <RECEIVABLES> 10,571 <ALLOWANCES> 479 <INVENTORY> 1,533 <CURRENT-ASSETS> 43,350 <PP&E> 3,797 <DEPRECIATION> 1,448 <TOTAL-ASSETS> 45,699 <CURRENT-LIABILITIES> 10,852 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 32,661 <OTHER-SE> 2,186 <TOTAL-LIABILITY-AND-EQUITY> 45,699 <SALES> 27,897 <TOTAL-REVENUES> 27,897 <CGS> 5,287 <TOTAL-COSTS> 5,287 <OTHER-EXPENSES> 19,902 <LOSS-PROVISION> 45 <INTEREST-EXPENSE> (791) <INCOME-PRETAX> 3,499 <INCOME-TAX> 1,397 <INCOME-CONTINUING> 2,102 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 2,102 <EPS-PRIMARY> 0.16 <EPS-DILUTED> 0.16