<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONSOLIDATED BALANCE SHEET, CONSOLIDATED STATEMENT OF OPERATIONS AND
CONSOLIDATED STATEMENT OF CASH FLOWS INCLUDED IN THE COMPANY'S FORM 10-K
FOR THE PERIOD ENDING DECEMBER 31, 1997, AND IS QUALIFIED IN ITS ENTIRETY
BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   YEAR
<FISCAL-YEAR-END>                          DEC-31-1997
<PERIOD-START>                             JAN-01-1997
<PERIOD-END>                               DEC-31-1997
<CASH>                                          14,589
<SECURITIES>                                    18,219
<RECEIVABLES>                                   33,549
<ALLOWANCES>                                     1,840
<INVENTORY>                                     10,899
<CURRENT-ASSETS>                                88,437
<PP&E>                                          30,840
<DEPRECIATION>                                  19,722
<TOTAL-ASSETS>                                 129,192
<CURRENT-LIABILITIES>                           37,294
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                            18
<OTHER-SE>                                      91,880
<TOTAL-LIABILITY-AND-EQUITY>                   129,192
<SALES>                                        110,404
<TOTAL-REVENUES>                               110,404
<CGS>                                           32,880
<TOTAL-COSTS>                                   32,880
<OTHER-EXPENSES>                                90,990
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 272
<INCOME-PRETAX>                               (11,291)
<INCOME-TAX>                                   (5,945)
<INCOME-CONTINUING>                            (5,346)
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   (5,346)
<EPS-PRIMARY>                                   (0.31)
<EPS-DILUTED>                                   (0.31)