The MC74HC161A and HC163A are identical in pinout to the
LS161 and LS163. The device inputs are compatible with standard
CMOS outputs; with pullup resistors, they are compatible with
LSTTL outputs.
The HC161A and HC163A are programmable 4-bit binary counters
with asynchronous and synchronous reset, respectively.
MC74HC163A
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Presettable CountersHigh−Performance Silicon−Gate CMOS