<TABLE> <S> <C>
<ARTICLE> 5
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> APR-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 152,933
<SECURITIES> 47,608
<RECEIVABLES> 47,406
<ALLOWANCES> 704
<INVENTORY> 46,132
<CURRENT-ASSETS> 306,329
<PP&E> 72,810
<DEPRECIATION> 33,693
<TOTAL-ASSETS> 367,051
<CURRENT-LIABILITIES> 72,985
<BONDS> 0
0
0
<COMMON> 146,925
<OTHER-SE> 139,489
<TOTAL-LIABILITY-AND-EQUITY> 358,399
<SALES> 79,587
<TOTAL-REVENUES> 79,587
<CGS> 49,296
<TOTAL-COSTS> 49,296
<OTHER-EXPENSES> 24,125
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> (2,870)
<INCOME-PRETAX> 9,036
<INCOME-TAX> 2,127
<INCOME-CONTINUING> 6,909
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 8,491
<EPS-BASIC> 0.20
<EPS-DILUTED> 0.18
</TABLE>