74HC191 Synchronous Binary Up/Down Counters

National Semiconductor

Description

MM54HC190 MM74HC190 MM54HC191 MM74HC191 January 1988 MM54HC190 MM74HC190 Synchronous Decade Up Down Counters with Mode Control MM54HC191 MM74HC191.
These high speed synchronous counters utilize advanced silicon-gate CMOS technology They possess the high noise immunity and low power consumption of.

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Datasheet Specifications

Part number: 74HC191
Manufacturer: National Semiconductor
File Size: 182.21 KB
Datasheet: 74HC191-NationalSemiconductor.pdf
Description: Synchronous Binary Up/Down Counters

Features

* Y Level changes on Enable or Down Up can be made regardless of the level of the clock input Y Wide power supply range 2
* 6V Y Low quiescent supply current 80 mA maximum (74HC Series) Y Low input current 1 mA maximum Connection Diagram Dual-In-Line Package Load H H L H Enable G L L X H

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74HC191 Synchronous Binary Down Counters National Semiconductor

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