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TM74HC138 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

TM74HC138 product

TM74HC138

Signal Switches

DecoderCMOSLogic IC

The TM74HC138 is a high-speed CMOS 3-to-8 line decoder designed for digital logic applications, offering pin-compatibility with standard LSTTL series devices.

Best for

  • Digital logic decoding
  • Memory address decoding
  • Data routing

Avoid if

  • Applications requiring high-voltage logic levels

Check before use

  • Enable pin configuration
  • ESD protection measures

Key specifications

Supply Voltage
3.0V - 5.0V
Logic Type
Decoder
Operating Temp
-40°C to +85°C

Compliance & Environment

RoHS
-
REACH
-
MSL
-
ECCN
-
HTSUS
-

Application

Consumer ElectronicsDigital Circuits

CAD Models

Download ECAD models for TM74HC138: 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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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 CMOS 3-to-8 line decoder that converts three binary address inputs into one of eight active-low outputs.