ProjectsPricingInsights

74HC138 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

74HC138 product

74HC138

Programmers

DecoderDemultiplexerCMOS74HC

The 74HC138 is a versatile 3-to-8 line decoder/demultiplexer suitable for general digital logic, address decoding, and data distribution tasks.

Best for

  • Memory address decoding
  • Data demultiplexing
  • General logic control

Avoid if

  • Applications requiring extremely high-speed logic (sub-10ns)

Check before use

  • Enable pin logic levels
  • Output drive current limits

Key specifications

Supply Voltage
2V - 6V
Propagation Delay
20ns
Package
DIP16/SOP16

Compliance & Environment

RoHS
Yes
REACH
nan
MSL
nan
ECCN
nan
HTSUS
nan

Application

Industrial ControlGeneral Logic

Datasheet

3ccdc5e3370d38e8196a79ac35563409_2309150925_GR-74HC138_C18164491.pdf

800 KB

Datasheet AI

CAD Models

Download ECAD models for 74HC138: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
Schematic symbol for your EDA tool
Get Files
PCB Footprint
Land pattern for PCB layout
Get Files
3D Model
STEP file for mechanical design
Get Files
KiCad Library
Verified KiCad 8 symbol, footprint, and 3D model
Generate library

Login required · CAD models billed separately as an add-on

Where to Buy

Real-time and catalog pricing from verified distributors

Live prices updated on demand · Catalog (~) prices may differ

Alternative components

2
PartDetailsMatch
74HC138D,653Manufacturer

Discovered by FAE plan; pending evidence enrichment.

Review required

Design and risk insights

Questions & answers

It is a high-speed CMOS 8-bit decoder that converts a 3-bit binary input into one of eight active-low outputs.