SN74AHCT138DR AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN74AHCT138DR product

SN74AHCT138DR

Signal Switches

DecoderDemultiplexerLogic IC

The SN74AHCT138DR is a high-speed 3-to-8 line decoder/demultiplexer from Texas Instruments, optimized for memory decoding and data routing.

Best for

  • Memory address decoding
  • Data routing

Avoid if

  • Low-voltage logic systems (below 4.5V)

Check before use

  • Input transition rise/fall rates

Key specifications

Logic Function
Decoder/Demultiplexer
Supply Voltage
4.5V - 5.5V
Operating Temp
-40°C to 85°C

Compliance & Environment

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

Application

IndustrialGeneral Logic

CAD Models

Download ECAD models for SN74AHCT138DR: 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

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 high-performance CMOS 3-line to 8-line decoder/demultiplexer with TTL-compatible inputs, designed for high-speed memory decoding.