SN54HC138J AI Analysis:
Datasheet, Specs, Alternatives & ECAD

AI summary

SN54HC138J product

SN54HC138J

Signal Switches

3-to-8 decoderdemultiplexeractive-low outputsCDIP-16military temperature range

SN54HC138J is a ceramic 3-to-8 decoder/demultiplexer for 2 V to 6 V logic systems. When enabled, it drives exactly one selected output low.

Best for

  • 3-to-8 active-low decoding
  • Demultiplexing control signals
  • Wide-temperature logic designs

Avoid if

  • A high-active decoded output is required without inversion
  • A surface-mount package is required
  • RoHS-compliant package material is mandatory

Check before use

  • G1 must be high and G2A/G2B low to enable outputs
  • Confirm output load current and voltage levels
  • Place a bypass capacitor close to VCC

Key specifications

Logic function
3-to-8 decoder / demultiplexer
Supply range
2 V to 6 V
Output polarity
Active low
Temperature range
-55 C to 125 C
Package
16-pin CDIP (J)

Compliance & Environment

RoHS
Non-RoHS & Green
REACH
-
MSL
N/A for package type
ECCN
-
HTSUS
-

Application

Memory address decodingData routing and demultiplexingLED matrix column scanning

CAD Models

Download ECAD models for SN54HC138J: KiCad symbol & footprint, Altium footprint, PCB footprint, and 3D model.

EDA Symbol
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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
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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

SN54HC138J is a 3-to-8 line CMOS decoder and demultiplexer in a 16-pin ceramic dual-in-line package. A, B, and C select one output; the selected Y output is low when G1 is high and G2A and G2B are low.