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SN74ALS193A Datasheet Synchronous 4-bit Up/down Binary Counter

Manufacturer: Texas Instruments

Overview: SN54ALS193A, SN74ALS193A SYNCHRONOUS 4ĆBIT UP/DOWN BINARY COUNTERS WITH DUAL CLOCK AND CLEAR SDAS211C − DECEMBER 1982 − REVISED JULY 1996 D Look-Ahead Circuitry Enhances Cascaded Counters D Fully Synchronous in Count.

General Description

The ’ALS193A are synchronous, reversible, 4-bit up/down binary counters.

Synchronous counting operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when instructed by the steering logic.

This mode of operation eliminates the output counting spikes normally associated with asynchronous (rippleclock) counters.

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