<ARTICLE> 5 <LEGEND> THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE CONSOLIDATED BALANCE SHEET AND THE CONSOLIDATED STATEMENT OF OPERATION 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-END> MAR-31-2000 <CASH> 32,537 <SECURITIES> 68,473 <RECEIVABLES> 27,959 <ALLOWANCES> 0 <INVENTORY> 9,336 <CURRENT-ASSETS> 144,370 <PP&E> 40,493 <DEPRECIATION> 20,493 <TOTAL-ASSETS> 172,333 <CURRENT-LIABILITIES> 18,056 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 543 <OTHER-SE> 149,099 <TOTAL-LIABILITY-AND-EQUITY> 172,333 <SALES> 12,507 <TOTAL-REVENUES> 17,400 <CGS> 2,336 <TOTAL-COSTS> 15,089 <OTHER-EXPENSES> 0 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 30 <INCOME-PRETAX> 2,281 <INCOME-TAX> 796 <INCOME-CONTINUING> 1,485 <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> 1,485 <EPS-BASIC> 0.03 <EPS-DILUTED> 0.03