Product Overview

Product Overview
MC74AC138: 1-of-8 Decoder/Demultiplexer
For complete documentation, see the data sheet
Product Description
The MC74AC138/74ACT138 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
MC74AC138/74ACT138 devices or a 1-of-32 decoder using four MC74AC138/ 74ACT138 devices and one inverter.
Features
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•
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Demultiplexing Capability
Multiple Input Enable for Easy Expansion
Active LOW Mutually Exclusive Outputs
Outputs Source/Sink 24 mA
ACT138 Has TTL Compatible Inputs
These devices are available in Pb-free package(s). Specifications herein apply to both standard and Pb-free devices. Please see
our website at www.onsemi.com for specific Pb-free orderable part numbers, or contact your local ON Semiconductor sales office
or representative.
Part Electrical Specifications
Product
MC74AC138DG
Compliance
Status
Channels
VCC Min (V)
VCC Max (V)
tpd Max (ns)
IO Max (mA)
Package Type
Pb-free
Active
1
2
6
9.5
24
SOIC-16
Active
1
2
6
9.5
24
SOIC-16
Active
1
2
6
9.5
24
TSSOP-16
Halide free
MC74AC138DR2G
Pb-free
Halide free
MC74AC138DTR2G
Pb-free
Halide free
For more information please contact your local sales support at www.onsemi.com
Created on: 6/30/2016