<ARTICLE>                     5
<LEGEND>
This  schedule  contains  summary  financial   information  extracted  from  the
condensed  balance  sheet,  condensed  statement  of  operations  and  condensed
statement of cash flows  included in the  Company's  Form 10-Q for the six month
period ended June 30, 2000 and is qualified in its entirety by reference to such
financial statements and the notes thereto.
</LEGEND>

                             
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                              DEC-31-2000
<PERIOD-START>                                 JAN-01-2000
<PERIOD-END>                                   JUN-30-2000
<CASH>                                              80,517
<SECURITIES>                                       375,789
<RECEIVABLES>                                       97,883
<ALLOWANCES>                                         1,579
<INVENTORY>                                         13,391
<CURRENT-ASSETS>                                   601,356
<PP&E>                                             108,551
<DEPRECIATION>                                      57,679
<TOTAL-ASSETS>                                     668,566
<CURRENT-LIABILITIES>                               88,278
<BONDS>                                              3,308
<PREFERRED-MANDATORY>                                    0
<PREFERRED>                                              0
<COMMON>                                               565
<OTHER-SE>                                         576,415
<TOTAL-LIABILITY-AND-EQUITY>                       668,566
<SALES>                                            303,691
<TOTAL-REVENUES>                                   303,691
<CGS>                                              157,136
<TOTAL-COSTS>                                      157,136
<OTHER-EXPENSES>                                    85,659
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                       0
<INCOME-PRETAX>                                    72,024
<INCOME-TAX>                                        23,768
<INCOME-CONTINUING>                                 48,256
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                        48,256
<EPS-BASIC>                                           0.86
<EPS-DILUTED>                                         0.84