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74HCT138D,653 AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

74HCT138D,653 product

74HCT138D,653

Programmers

DecoderDemultiplexerLogic IC

The 74HCT138 is a standard 3-to-8 line decoder/demultiplexer with TTL-compatible inputs, ideal for memory decoding and signal routing.

Best for

  • Memory chip select decoding
  • Demultiplexing

Avoid if

  • CMOS-only logic levels are required (use 74HC138 instead)

Check before use

  • Input logic levels and timing constraints

Key specifications

Supply Voltage
4.5 V to 5.5 V
Logic Type
TTL-compatible
Operating Temp
-40 °C to +125 °C

Compliance & Environment

RoHS
ROHS3 Compliant
REACH
REACH Unaffected
MSL
1 (Unlimited)
ECCN
EAR99
HTSUS
8542.39.0001

Application

IndustrialGeneral Logic

CAD Models

Download ECAD models for 74HCT138D,653: 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/demultiplexer with inverting outputs.