54F193

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54F193 Features

• Guaranteed 4000V minimum ESD protection

54F193 Description

The 'F193 is an up/down modulo-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 synchronously with the LOW-to-HIGH transitions on the clock inputs. Separate Terminal Count Up and Terminal Count Down outputs are provided that are used as the clocks for subsequent stages without extra logic, thus simplifying multi-stage counter designs. Individual preset inputs allow the circuit to be used as a programmable counter. Both the Parallel Load (PL#) and the Master Reset (MR) inputs asynchronously override the clocks.

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