<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               SEP-30-2000
<CASH>                                         186,685
<SECURITIES>                                    24,724
<RECEIVABLES>                                   61,677
<ALLOWANCES>                                     1,726
<INVENTORY>                                     36,147
<CURRENT-ASSETS>                               329,276
<PP&E>                                          32,416
<DEPRECIATION>                                  16,509
<TOTAL-ASSETS>                                 395,999
<CURRENT-LIABILITIES>                           63,547
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            38
<OTHER-SE>                                     332,414
<TOTAL-LIABILITY-AND-EQUITY>                   395,999
<SALES>                                        231,272
<TOTAL-REVENUES>                               231,272
<CGS>                                          103,012
<TOTAL-COSTS>                                  103,012
<OTHER-EXPENSES>                                71,883<F1>
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                 55,338
<INCOME-TAX>                                    18,262
<INCOME-CONTINUING>                             37,076
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    37,076
<EPS-BASIC>                                       0.52
<EPS-DILUTED>                                     0.48
<FN>
<F1>Includes Litigation reserve release of $1.8 million and $3.9 million of
interest income.
</FN>