HD74AC138 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74AC138

1-of-8 Decoder/Demultiplexer

Hitachi -> Renesas Electronics 

HD74AC138/HD74ACT138

1-of-8 Decoder/Demultiplexer

Description

The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally

suited for high-speed bipolar memory chip select address decoding. The multiple input enables allow

parallel expansion to a 1-of-24 decoder using just three HD74AC138/HD74ACT138 devices or a 1-of-32

decoder using four HD74AC138/HD74ACT138 devices and one inverter.

Features

• Demultiplexing Capability

• Multiple Input Enable for Easy Expansion

• Active LOW Mutually Exclusive Outputs

• Outputs Source/Sink 24 mA

• HD74ACT138 has TTL-Compatible Inputs

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