SN74LS161A counters equivalent, bcd decade counters / 4-bit binary counters.
The LS161A and LS163A count modulo 16 (binary).
The LS161A has an asynchronous Master Reset (Clear) input that override.
The LS161A/163A are 4-bit synchronous counters with a synchronous Parallel Enable (Load) feature. The counters consist of four edge-triggered D flip-flops with the appropriate data routing networks feeding the D inputs. All changes of the Q outputs (.
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