74FCT821 High-Performance CMOS Bus Interface Registers

The INTEGRATED DEVICE TECHNOLOGY (IDT) IDT54/74FCT800 series is built using an advanced dual metal CMOS technology. The IDT54/74FCT820 series bus interface registers are designed to eliminate the extra packages required to buffer existing registers and provide extra data width for wider address/data paths or buses carrying parity. The IDT54/74FCT821 are buffered, 10-bit wide versions of the popular ‘374 function. The IDT54/74FCT823 and IDT54/74FCT824 are 9-bit wide buffered registers with Clock Enable (EN) and Clear (CLR) – ideal for parity bus interfacing in high-performance microprogrammed systems. The IDT54/74FCT825 are 8-bit buffered registers with all the ‘823 controls plus multiple enables (OE1, OE2, OE3) to allow multiuser control of the interface, e.g., CS, DMA and RD/WR. They are ideal for use as an output port requiring HIGH IOL/IOH.

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74FCT8218P	74FCT821AM	74FCT821AP	74FCT821ASC
74FCT821ASO	74FCT821ASPC	74FCT821BD	74FCT821BJ
74FCT821BP	74FCT821BPA	74FCT821BS0	74FCT821BSC
74FCT821BSO	74FCT821BSPC	74FCT821CP	74FCT821CSOP
74FCT821DW	74FCT821HATSO	74FCT821HCTQ	74FCT821SMD
74FCT821TP