Datasheet Details
- Part number
- HD74AC139
- Manufacturer
- Hitachi Semiconductor
- File Size
- 61.14 KB
- Datasheet
- HD74AC139_HitachiSemiconductor.pdf
- Description
- Dual 1-of-4 Decoder/Demultiplexer
HD74AC139 Description
HD74AC139/HD74ACT139 Dual 1-of-4 Decoder/Demultiplexer .
The HD74AC139/HD74ACT139 is a high-speed, dual 1-of-4 decoder/demultiplexer.
HD74AC139 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
HD74AC139/HD74ACT139
Pin Arrangement
Ea 1 A0a 2 A1a 3 O0a 4 O1a 5 O2a 6 O3a 7 G
HD74AC139 Applications
* replacing multiple gate functions as shown in Figure a, and thereby reducing the number of packages required in a logic network. Truth Table
Inputs E H L L L L H : L : X : A0 X L H L H High Voltage Level Low Voltage Level Immaterial A1 X L L H H Outputs O0 H L H H H O1 H H L H H O2 H H H L H O3 H
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