<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 three
     months  period  ended March 31, 2000 and is  qualified  in its  entirety by
     reference to such financial statements and the notes thereto.
</LEGEND>

                             
<PERIOD-TYPE>                                         3-MOS
<FISCAL-YEAR-END>                                     DEC-31-2000
<PERIOD-START>                                        JAN-01-2000
<PERIOD-END>                                          MAR-31-2000
<CASH>                                                      138,644
<SECURITIES>                                                355,161
<RECEIVABLES>                                                95,227
<ALLOWANCES>                                                  1,422
<INVENTORY>                                                  12,723
<CURRENT-ASSETS>                                            629,837
<PP&E>                                                      104,416
<DEPRECIATION>                                               54,076
<TOTAL-ASSETS>                                              696,841
<CURRENT-LIABILITIES>                                       103,395
<BONDS>                                                       3,467
<PREFERRED-MANDATORY>                                             0
<PREFERRED>                                                       0
<COMMON>                                                        561
<OTHER-SE>                                                  589,418
<TOTAL-LIABILITY-AND-EQUITY>                                696,841
<SALES>                                                     151,515
<TOTAL-REVENUES>                                            151,515
<CGS>                                                        77,903
<TOTAL-COSTS>                                                77,903
<OTHER-EXPENSES>                                             41,168
<LOSS-PROVISION>                                                  0
<INTEREST-EXPENSE>                                                0
<INCOME-PRETAX>                                              37,945
<INCOME-TAX>                                                 12,522
<INCOME-CONTINUING>                                          25,423
<DISCONTINUED>                                                    0
<EXTRAORDINARY>                                                   0
<CHANGES>                                                         0
<NET-INCOME>                                                 25,423
<EPS-BASIC>                                                    0.45
<EPS-DILUTED>                                                  0.44