Description
® Integrated Device Technology, Inc.FAST CMOS UP/DOWN BINARY COUNTER IDT54/74FCT191 IDT54/74FCT191A .
The IDT54/74FCT191 and IDT54/74FCT191A are reversible modulo-16 binary counters, featuring synchronous counting and asynchronous presetting and are b.
Features
* IDT54/74FCT191 equivalent to FAST™ speed
* IDT54/74FCT191A 35% faster than FAST
* Equivalent to FAST output drive over full temperature
and voltage supply extremes
* IOL = 48mA (commercial), 32mA (military)
* CMOS power levels (1mW typ. static)
* CM