HD74HC139 Datasheet PDF - Hitachi Semiconductor Dual 2-to-4-line Decoders/Demultiplexers Specs

HD74HC139 - Dual 2-to-4-line Decoders/Demultiplexers

Datasheet Summary

Description

The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable input (1G or 2G).

Data on the slect inputs (1A and 1B or 2A and 2B) cause one of the four normally high outputs to go low.

Features

High Speed Operation: tpd (A, B to Y, 4 levels) = 14 ns typ (C L = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 V to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C) Function Table Inputs Enable G H L L L L Select B X L L H H A X L H L H Outputs Y0 H L H H H Y1 H H L H H Y2 H H H L H Y3 H H H H L HD74HC139 Pin Arrangement Enable 1G 1 1A 2 Select 1B 3 1Y0 4.

Datasheet Details

Part number	HD74HC139
Manufacturer	Hitachi Semiconductor
File Size	51.45 KB
Description	Dual 2-to-4-line Decoders/Demultiplexers
Datasheet	HD74HC139 Datasheet
Additional preview pages of the HD74HC139 datasheet.

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Full PDF Text Transcription

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HD74HC139 Dual 2-to-4-line Decoders/Demultiplexers Description The HD74HC139 contains two independent two-to-four-line decoders each with a single active low enable input (1G or 2G). Data on the slect inputs (1A and 1B or 2A and 2B) cause one of the four normally high outputs to go low.

Published: Mar 23, 2005 |