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SN74ALS193A - Synchronous 4-Bit Up/Down Binary Counter

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.

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Full PDF Text Transcription

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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 Modes D Parallel Asynchronous Load for Modulo-N Count Lengths D Asynchronous Clear D Package Options Include Plastic Small-Outline (D) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs 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.
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