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XL74LS139 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

XL74LS139 product

XL74LS139

Diodes - Rectifiers - Single

DecoderDemultiplexerTTL

The XL74LS139 is a dual 2-to-4 line decoder/demultiplexer using Schottky-clamped TTL technology, optimized for high-speed memory decoding.

Best for

  • Memory address decoding
  • Data demultiplexing

Avoid if

  • Low-voltage logic systems (e.g., 3.3V or lower)

Check before use

  • Propagation delay requirements

Key specifications

Supply Voltage
5 V
Logic Type
Schottky TTL

Compliance & Environment

RoHS
-
REACH
-
MSL
MSL3
ECCN
-
HTSUS
-

Application

Memory Systems

CAD Models

Download ECAD models for XL74LS139: 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

Real-time and catalog pricing from verified distributors

Alternative components

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

Design and risk insights

Questions & answers

It is a dual 2-line to 4-line decoder/demultiplexer IC designed for high-speed memory decoding and data routing.