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HD74AC138

Part Number	HD74AC138
Manufacturer	Hitachi Semiconductor
Description	1-of-8 Decoder/Demultiplexer
Published	Mar 23, 2005
Detailed Description	HD74AC138/HD74ACT138 1-of-8 Decoder/Demultiplexer Description The HD74AC138/HD74ACT138 is a high-speed 1-of-8 decoder/d...
Datasheet	HD74AC138 PDF File

Overview

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 HD74AC138/HD74ACT138 Pin Arrangement A0 1 A1 2 A2 3 E1 4 E2 5 E3 6 O7 7 GND 8 (Top view)...

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