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SN74LS138DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74LS138DR product

SN74LS138DR

Signal Switches

DecoderTTL5V Logic

The SN74LS138DR is a standard 3-to-8 line decoder/demultiplexer using Schottky TTL technology, ideal for high-speed memory address decoding.

Best for

  • Memory address decoding
  • Data routing

Avoid if

  • Low-voltage (3.3V or lower) logic systems

Check before use

  • Input voltage levels and timing requirements

Key specifications

Logic Family
LS-TTL
Supply Voltage
5V
Package
SOIC-16

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
-
MSL
Level-1-260C-UNLIM
ECCN
EAR99
HTSUS
8542.39.0000

Application

IndustrialGeneral Logic

Datasheet

AGSYS01347-1.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for SN74LS138DR: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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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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 3-line to 8-line decoder/demultiplexer that uses Schottky-clamped TTL logic to provide high-speed decoding for memory and data routing.