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MC74AC138DR2G AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

MC74AC138DR2G product

MC74AC138DR2G

Signal Switches

DecoderDemultiplexerLogic IC

The MC74AC138 is a high-speed 1-of-8 decoder/demultiplexer designed for memory chip select address decoding and general logic applications.

Best for

  • Memory address decoding
  • Demultiplexing signals
  • Parallel expansion logic

Avoid if

  • Applications requiring high-voltage logic levels outside the 6V limit

Check before use

  • Enable input configuration
  • Propagation delay requirements

Key specifications

Logic Function
Decoder/Demultiplexer
Supply Voltage
2.0V - 6.0V
Operating Temp
-40°C to +85°C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

IndustrialGeneral Logic

CAD Models

Download ECAD models for MC74AC138DR2G: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
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PCB Footprint
Land pattern for PCB layout
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3D Model
STEP file for mechanical design
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KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
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Where to Buy

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Alternative components

Alternatives are being enriched. Analyze this part in PartGenie for the latest matches.

Design and risk insights

Questions & answers

It is a high-speed 1-of-8 decoder/demultiplexer that converts three binary inputs into one of eight active-LOW outputs.