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74193 - Synchronous 4-Bit Binary Counter

Datasheet Summary

Description

The DM74LS193 circuit is a synchronous up/down 4-bit binary counter.

Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change together when so instructed by the steering logic.

Features

  • s Fully independent clear input s Synchronous operation s Cascading circuitry provided internally s Individual preset each flip-flop Ordering Code: Order Number DM74LS193M DM74LS193N Package Number M16A N16E Package.

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Datasheet Details

Part number 74193
Manufacturer Fairchild Semiconductor
File Size 74.03 KB
Description Synchronous 4-Bit Binary Counter
Datasheet download datasheet 74193 Datasheet
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Full PDF Text Transcription

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DM74LS193 Synchronous 4-Bit Binary Counter with Dual Clock September 1986 Revised March 2000 DM74LS193 Synchronous 4-Bit Binary Counter with Dual Clock General Description The DM74LS193 circuit is a synchronous up/down 4-bit binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously, so that the outputs change together when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous (rippleclock) counters. The outputs of the four master-slave flip-flops are triggered by a LOW-to-HIGH level transition of either count (clock) input. The direction of counting is determined by which count input is pulsed while the other count input is held HIGH.
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