MM74HCT191 Datasheet PDF - National Semiconductor Synchronous Binary Up/Down Counters Specs

MM74HCT191 - Synchronous Binary Up/Down Counters

This page provides the datasheet information for the MM74HCT191, a member of the MM74HCT190 Synchronous Binary Up/Down Counters family.

Datasheet Summary

Description

These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power consumption of CMOS technology along with the speeds of low power Schottky TTL These circuits are synchronous reversible up down counters The MM54HCT191 MM74HCT191 a

Features

Y Y Y Y Level changes on Enable or Down Up can be made regardless of the level of the clock Low quiescent supply current 80 mA maximum (74HCT Series) Low input current 1 mA maximum TTL compatible inputs Connection Diagram Dual-In-Line Package Truth Table Load H H L H Enable G L L X H Down Up L H X X Clock Function Count Up Count Down Load No Change u u X X Order Number MM54HCT190 191 or MM74HCT190 191 TL F 5744.
1 C1995 National Semiconductor Corporation TL F 5744 RRD-B30M105.

Datasheet Details

Part number	MM74HCT191
Manufacturer	National Semiconductor
File Size	179.17 KB
Description	Synchronous Binary Up/Down Counters
Datasheet	MM74HCT191 Datasheet
Additional preview pages of the MM74HCT191 datasheet.

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Full PDF Text Transcription

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MM54HCT190 MM74HCT190 Synchronous Decade Up Down Counters with Mode Control MM54HCT191 MM74HCT191 Synchronous Binary Up Down Counters with Mode Control January 1988 MM54HCT190 MM74HCT190 Synchronous Decade Up Down Counters with Mode Control MM54HCT191 MM74HCT191 Synchronous Binary Up Down Counters with Mode Control General Description These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power consumption of CMOS technology along with the speeds of low power Schottky TTL These circuits are synchronous reversible up down counters The MM54HCT191 MM74HCT191 are 4-bit binary counters and the MM54HCT190 MM74HCT190 are BCD counters Synchronous operation is provided by having all flip-flops clocked simultaneously so that

Published: Dec 19, 2013 |