SN54AS169A counter equivalent, synchronous 4-bit up/down binary counter.
Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident.
SDAS125B − MARCH 1984 − REVISED DECEMBER 1994
SN54ALS169B, SN54AS169A . . . J PACKAGE SN74ALS169B, SN74AS169A . . . D OR N PACKAGE
(TOP VIEW)
U/D 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
These synchronou.
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