The SN54/74LS192 is an UP/DOWN BCD Decade (8421) Counter and the SN54/74LS193 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 synchronous with the LOW-to-HIGH transitions on the clock inputs.
- Low Power . . . 95 mW Typical Dissipation
- • High Speed . . . 40 MHz Typical Count Frequency
- • Synchronous Counting
- • Asynchronous Master Reset and Parallel Load
- • Individual Preset Inputs
- • Cascading Circuitry Internally Provided
- • Input Clamp Diodes Limit High Speed Termination Effects
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