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IDT54FCT821C

Integrated Device
Part Number IDT54FCT821C
Manufacturer Integrated Device
Description HIGH-PERFORMANCE CMOS BUS INTERFACE REGISTERS
Published Apr 27, 2005
Detailed Description ® HIGH-PERFORMANCE CMOS BUS INTERFACE REGISTERS DESCRIPTION: Integrated Device Technology, Inc. IDT54/74FCT821A/B/C I...
Datasheet PDF File IDT54FCT821C PDF File

IDT54FCT821C
IDT54FCT821C


Overview
® HIGH-PERFORMANCE CMOS BUS INTERFACE REGISTERS DESCRIPTION: Integrated Device Technology, Inc.
IDT54/74FCT821A/B/C IDT54/74FCT823A/B/C IDT54/74FCT824A/B/C IDT54/74FCT825A/B/C FEATURES: • Equivalent to AMD’s Am29821-25 bipolar registers in pinout/function, speed and output drive over full temperature and voltage supply extremes • IDT54/74FCT821A/823A/824A/825A equivalent to FAST™ speed • IDT54/74FCT821B/823B/824B/825B 25% faster than FAST • IDT54/74FCT821C/823C/824C/825C 40% faster than FAST • Buffered common Clock Enable (EN) and asynchronous Clear input (CLR) • IOL = 48mA (commercial) and 32mA (military) • Clamp diodes on all inputs for ringing suppression • CMOS power levels (1mW typ.
static) • TTL input and output compatibility • CMOS output level compatible • Substantially lower input current levels than AMD’s bipolar Am29800 series (5µA max.
) • Product available in Radiation Tolerant and Radiation Enhanced versions • Military product compliant to MIL-STD-883, Class B The 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.
All of the IDT54/74FCT800 high-performance interface family are designed for high-capacitance load drive capability, while providing low-capacitance bus loading at both inputs and outpu...



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