<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM FORM 10-Q
AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JAN-01-2000
<PERIOD-END>                               MAR-31-2000
<CASH>                                          50,438
<SECURITIES>                                    12,519
<RECEIVABLES>                                   27,958
<ALLOWANCES>                                     1,204
<INVENTORY>                                      6,046
<CURRENT-ASSETS>                                96,897
<PP&E>                                          20,418
<DEPRECIATION>                                   6,664
<TOTAL-ASSETS>                                 121,067
<CURRENT-LIABILITIES>                           14,418
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                           363
<OTHER-SE>                                     106,286
<TOTAL-LIABILITY-AND-EQUITY>                   121,067
<SALES>                                         28,778
<TOTAL-REVENUES>                                29,759
<CGS>                                            5,306
<TOTAL-COSTS>                                   18,722
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                   0
<INCOME-PRETAX>                                  5,731
<INCOME-TAX>                                        90
<INCOME-CONTINUING>                              5,641
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     5,641
<EPS-BASIC>                                       0.16
<EPS-DILUTED>                                     0.14