CD74AC161 counters equivalent, 4-bit synchronous binary counters.
without additional gating. Instrumental in accomplishing this function are ENP, ENT, and a ripple-carry output (RCO). Bo.
ordering information
CD54AC161 . . . F PACKAGE CD74AC161 . . . E OR M PACKAGE
(TOP VIEW)
CLR 1 CLK 2
A3 B4 C5 D6 ENP 7 GND 8
16 VCC 15 RCO
14 QA 13 QB 12 QC 11 QD 10 ENT
9 LOAD
The ’AC161 devices are 4-bit binary counters. These synchronous, pres.
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