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DM74163 - Synchronous 4-Bit Counters

This page provides the datasheet information for the DM74163, a member of the DM74161 Synchronous 4-Bit Counters family.

Datasheet Summary

Description

These synchronous presettable counters feature an internal carry look-ahead for application in high-speed counting designs The 161 and 163 are 4-bit binary counters The carry output is decoded by means of a NOR gate thus preventing spikes during the normal counting mode of operation Synchronous oper

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Datasheet preview – DM74163

Datasheet Details

Part number DM74163
Manufacturer National Semiconductor
File Size 167.33 KB
Description Synchronous 4-Bit Counters
Datasheet download datasheet DM74163 Datasheet
Additional preview pages of the DM74163 datasheet.

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Full PDF Text Transcription

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DM54161 DM74161 DM74163 Synchronous 4-Bit Counters October 1992 DM54161 DM74161 DM74163 Synchronous 4-Bit Counters General Description These synchronous presettable counters feature an internal carry look-ahead for application in high-speed counting designs The 161 and 163 are 4-bit binary counters The carry output is decoded by means of a NOR gate thus preventing spikes during the normal counting mode of operation Synchronous operation is provided by having all flipflops clocked simultaneously so that the outputs change coincident with each other when so instructed by the countenable inputs and internal gating This mode of operation eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) counters A buffered clock input triggers the four flip
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