<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-Q FOR THE PERIOD ENDED SEPTEMBER 30, 1998, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> 9-MOS <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> SEP-30-1998 <CASH> 25,182 <SECURITIES> 12,610 <RECEIVABLES> 19,326 <ALLOWANCES> 1,840 <INVENTORY> 6,932 <CURRENT-ASSETS> 74,907 <PP&E> 33,756 <DEPRECIATION> 20,918 <TOTAL-ASSETS> 118,070 <CURRENT-LIABILITIES> 33,214 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 18 <OTHER-SE> 84,838 <TOTAL-LIABILITY-AND-EQUITY> 118,070 <SALES> 73,089 <TOTAL-REVENUES> 73,089 <CGS> 29,049 <TOTAL-COSTS> 29,049 <OTHER-EXPENSES> 59,900 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 130 <INCOME-PRETAX> (13,639) <INCOME-TAX> (5,592) <INCOME-CONTINUING> (8,047) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (8,047) <EPS-PRIMARY> ($0.45) <EPS-DILUTED> ($0.45)