IDT74FCT640 IDT74FCT640ADB IDT74FCT640AEB IDT74FCT640ALB IDT74FCT640AP IDT74FCT640APB IDT74FCT640ASOB IDT74FCT640ATDB IDT74FCT640ATEB IDT74FCT640ATP IDT74FCT640ATPYB IDT74FCT640ATQB IDT74FCT640ATS0 IDT74FCT640ATSO IDT74FCT640CDB IDT74FCT640CEB IDT74FCT640CLB IDT74FCT640CPB IDT74FCT640CSOB IDT74FCT640CTEB IDT74FCT640CTP IDT74FCT640CTPYB IDT74FCT640D IDT74FCT640DTEB IDT74FCT640DTPYB IDT74FCT640DTQB IDT74FCT640DTSO IDT74FCT640DTSOB IDT74FCT640SO IDT74FCT640SOB IDT74FCT640SOIDT IDT74FCT640TDB IDT74FCT640TLB IDT74FCT640TPB IDT74FCT640TPY IDT74FCT640TPYB IDT74FCT640TQ IDT74FCT640TS0 IDT74FCT640TSO IDT74FCT640TSOB IDT74FCT645AD IDT74FCT645ADB IDT74FCT645ALB IDT74FCT645AP IDT74FCT645APB IDT74FCT645ASO IDT74FCT645ASOB IDT74FCT645AT IDT74FCT645ATD IDT74FCT645ATDB IDT74FCT645ATE IDT74FCT645ATEB IDT74FCT645ATL IDT74FCT645ATLB IDT74FCT645ATP IDT74FCT645ATPB IDT74FCT645ATPV IDT74FCT645ATPY IDT74FCT645ATPYB IDT74FCT645ATQ IDT74FCT645ATQB IDT74FCT645ATSO IDT74FCT645CDB IDT74FCT645CEB IDT74FCT645CLB IDT74FCT645CPB IDT74FCT645CSOB IDT74FCT645CT IDT74FCT645CTD IDT74FCT645CTDB IDT74FCT645CTE IDT74FCT645CTEB IDT74FCT645CTL IDT74FCT645CTLB IDT74FCT645CTP IDT74FCT645CTPYB IDT74FCT645D IDT74FCT645DT IDT74FCT645DTD IDT74FCT645DTDB IDT74FCT645DTE IDT74FCT645DTEB IDT74FCT645DTL IDT74FCT645DTLB IDT74FCT645DTP IDT74FCT645DTPB IDT74FCT645DTPY IDT74FCT645DTPYB IDT74FCT645DTQ IDT74FCT645DTQB IDT74FCT645DTSO IDT74FCT645DTSOB