<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 Quickturn's Form 10-K/A for the period ending December 31, 1998, and is qualified in its entirety by reference to such financial statements. </LEGEND> <MULTIPLIER> 1,000 <PERIOD-TYPE> YEAR <FISCAL-YEAR-END> DEC-31-1998 <PERIOD-START> JAN-01-1998 <PERIOD-END> DEC-31-1998 <CASH> 26,552 <SECURITIES> 13,717 <RECEIVABLES> 29,745 <ALLOWANCES> 1,840 <INVENTORY> 9,904 <CURRENT-ASSETS> 86,804 <PP&E> 32,506 <DEPRECIATION> 20,973 <TOTAL-ASSETS> 134,628 <CURRENT-LIABILITIES> 44,273 <BONDS> 0 <PREFERRED-MANDATORY> 0 <PREFERRED> 0 <COMMON> 18 <OTHER-SE> 90,337 <TOTAL-LIABILITY-AND-EQUITY> 134,628 <SALES> 104,109 <TOTAL-REVENUES> 104,109 <CGS> 38,017 <TOTAL-COSTS> 38,017 <OTHER-EXPENSES> 81,791 <LOSS-PROVISION> 0 <INTEREST-EXPENSE> 132 <INCOME-PRETAX> (12,620) <INCOME-TAX> (5,762) <INCOME-CONTINUING> (6,858) <DISCONTINUED> 0 <EXTRAORDINARY> 0 <CHANGES> 0 <NET-INCOME> (6,858) <EPS-PRIMARY> (0.39) <EPS-DILUTED> (0.39)