®
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.
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