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HD74HC191 - Synchronous Up/Down Decade/4-bit Binary Counter(Single Clock Line)

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Hitachi Semiconductor

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HD74HC191 Synchronous Up/Down Decade/4-bit Binary Counter(Single Clock Line) by Hitachi Semiconductor - Datasheet Preview — Datasheet preview – HD74HC191

Datasheet Details

Part number	HD74HC191
Manufacturer	Hitachi Semiconductor
File Size	75.27 KB
Description	Synchronous Up/Down Decade/4-bit Binary Counter(Single Clock Line)
Datasheet	HD74HC191 Datasheet
Additional preview pages of the HD74HC191 datasheet.

Product details

Description

The HD74HC190 and HD74HC191 are synchronous, reverside up/down counters.

Features

High Speed Operation: tpd (Clock to Q) = 22 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Pin Arrangement Inputs Data B 1 QB 2 QB QA G B A CK Ripple Clock 16 VCC 15 Data A Inputs 14 Clock 13 Ripple Clock 12 Max/Min 11 Load 10 Data C 9 Data D (Top view) Inputs Outputs QA 3 Enable G 4 Inputs.

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Other Datasheets by Hitachi Semiconductor

HD74HC190 - Synchronous Up/Down Decade/4-bit Binary Counter(Single Clock Line)
HD74HC192 - Synchronous Up/Down Decade/4-bit Binary Counter(Dual Clock Line)
HD74HC193 - Synchronous Up/Down Decade/4-bit Binary Counter(Dual Clock Line)
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HD74HC195 - 4-bit Parallel-Access Shift Register
HD74HC10 - Triple 3-input NAND Gates

Published: Mar 23, 2005 |