<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
consolidated balance sheet as of June 30, 2000 and the consolidated statement of
operations for the six-month period ended June 30, 2000 and is qualified in its
entirety by reference to such financial statements.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
<CASH> 151,377
<SECURITIES> 598,627
<RECEIVABLES> 60,119
<ALLOWANCES> 1,245
<INVENTORY> 19,029
<CURRENT-ASSETS> 867,521
<PP&E> 228,419
<DEPRECIATION> 87,646
<TOTAL-ASSETS> 1,114,072
<CURRENT-LIABILITIES> 151,499
<BONDS> 450,000
0
0
<COMMON> 845,940
<OTHER-SE> (334,203)
<TOTAL-LIABILITY-AND-EQUITY> 1,114,072
<SALES> 362,894
<TOTAL-REVENUES> 392,188
<CGS> 104,832
<TOTAL-COSTS> 334,967
<OTHER-EXPENSES> 0
<LOSS-PROVISION> 485
<INTEREST-EXPENSE> 6,873
<INCOME-PRETAX> 74,388
<INCOME-TAX> 714
<INCOME-CONTINUING> 73,674
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 73,674
<EPS-BASIC> 0.15
<EPS-DILUTED> 0.14
</TABLE>