HD74AC139 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74AC139

Dual 1-of-4 Decoder/Demultiplexer

Hitachi -> Renesas Electronics 

HD74AC139/HD74ACT139

Dual 1-of-4 Decoder/Demultiplexer

Description

The HD74AC139/HD74ACT139 is a high-speed, dual 1-of-4 decoder/demultiplexer. The device has two

independent decoders, each accepting two inputs and providing four mutually-exclusive active-Low

outputs. Each decoder has an active-Low Enable input which can be used as a data input for a 4-output

demultiplexer. Each half of the HD74AC139/HD74ACT139 can be used as a function generator providing

all four minterms of two variables.

Features

• Multifunction Capability

• Two Completely Independent 1-of-4 Decoders

• Active Low Mutually Exclusive Outputs

• Outputs Source/Sink 24 mA

• HD74ACT139 has TTL-Compatible Inputs

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