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Synchronous 4-bit counterDual-In-Line Package16 pinsDatasheet..

The ‘LS169B and ‘S169 are 4-bit binary counters. The 74LS169 features an internal carry look-ahead for cascading in high speed counting applications. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instru..

The 74LS193 is an UP/DOWN DIP-16 Binary Counter. Separate Count Up and Count Down Clocks are used and in either counting mode the circuits operate synchronously. The outputs change state synchronous with the LOW-to-HIGH transitions on the clock inputs. Separate Terminal Count Up and Terminal Count D..