<ARTICLE> 5 <PERIOD-TYPE> 6-MOS <FISCAL-YEAR-END> JUN-30-1999 <PERIOD-START> JUL-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 24,451,000 <SECURITIES> 71,905,000 <RECEIVABLES> 23,790,000 <ALLOWANCES> 0 <INVENTORY> 18,260,000 <CURRENT-ASSETS> 134,021,000 <PP&E> 12,215,000 <DEPRECIATION> 5,017,000 <TOTAL-ASSETS> 159,487,000 <CURRENT-LIABILITIES> 24,957,000 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 143,631,000 <OTHER-SE> (9,101,000) <TOTAL-LIABILITY-AND-EQUITY> 159,487,000 <SALES> 71,445,000 <TOTAL-REVENUES> 71,445,000 <CGS> 33,210,000 <TOTAL-COSTS> 33,210,000 <OTHER-EXPENSES> 29,196,000 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> (2,275,000) <INCOME-PRETAX> 11,314,000 <INCOME-TAX> 2,266,000 <INCOME-CONTINUING> 9,048,000 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 9,048,000 <EPS-PRIMARY> 0.87 <EPS-DILUTED> 0.80