<ARTICLE> 5 <RESTATED> <MULTIPLIER> 1,000 <PERIOD-TYPE> 3-MOS <FISCAL-YEAR-END> DEC-31-1996 <PERIOD-START> JAN-01-1996 <PERIOD-END> MAR-31-1996 <CASH> 9,488 <SECURITIES> 36,658 <RECEIVABLES> 11,544 <ALLOWANCES> (515) <INVENTORY> 411 <CURRENT-ASSETS> 62,524 <PP&E> 8,408 <DEPRECIATION> (3,473) <TOTAL-ASSETS> 71,855 <CURRENT-LIABILITIES> 18,585 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 23 <OTHER-SE> 52,831 <TOTAL-LIABILITY-AND-EQUITY> 71,855 <SALES> 13,877 <TOTAL-REVENUES> 13,877 <CGS> 6,772 <TOTAL-COSTS> 6,772 <OTHER-EXPENSES> 6,754 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 126 <INCOME-PRETAX> 803 <INCOME-TAX> 544 <INCOME-CONTINUING> 259 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 259 <EPS-PRIMARY> 0.01 <EPS-DILUTED> 0.01