<ARTICLE> 5
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               APR-01-2000
<CASH>                                         266,819
<SECURITIES>                                   183,398
<RECEIVABLES>                                  259,316
<ALLOWANCES>                                     3,991
<INVENTORY>                                    119,674
<CURRENT-ASSETS>                               867,629
<PP&E>                                         209,905
<DEPRECIATION>                                 102,356
<TOTAL-ASSETS>                               1,044,357
<CURRENT-LIABILITIES>                          165,265
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                       543,559
<OTHER-SE>                                     335,173
<TOTAL-LIABILITY-AND-EQUITY>                 1,044,357
<SALES>                                        274,071
<TOTAL-REVENUES>                               274,071
<CGS>                                          119,123
<TOTAL-COSTS>                                  119,123
<OTHER-EXPENSES>                                77,031
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 181
<INCOME-PRETAX>                                 83,403
<INCOME-TAX>                                    25,855
<INCOME-CONTINUING>                             57,548
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    57,548
<EPS-BASIC>                                       0.48
<EPS-DILUTED>                                     0.45