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Contents

README

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CD74ACT138M96

Texas Instruments · Signal Switches, Multiplexers, Decoders · SOIC-16

CD74ACT138M96 from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A input Binary select input A for 3-to-8 decoder function.
2 B input Binary select input B for 3-to-8 decoder function.
3 C input Binary select input C for 3-to-8 decoder function.
4 G2A input Strobe input 2A, active low, for cascading and demultiplexing applications.
5 G2B input Strobe input 2B, active low, for cascading and demultiplexing applications.
6 G1 input Strobe input, active high, for cascading and demultiplexing applications.
7 Y7 output Active-low decoder output 7, selected when C=H, B=H, A=H and enable inputs satisfied.
8 GND power_in Ground connection.
9 Y6 output Active-low decoder output 6, selected when C=H, B=H, A=L and enable inputs satisfied.
10 Y5 output Active-low decoder output 5, selected when C=H, B=L, A=H and enable inputs satisfied.
11 Y4 output Active-low decoder output 4, selected when C=H, B=L, A=L and enable inputs satisfied.
12 Y3 output Active-low decoder output 3, selected when C=L, B=H, A=H and enable inputs satisfied.
13 Y2 output Active-low decoder output 2, selected when C=L, B=H, A=L and enable inputs satisfied.
14 Y1 output Active-low decoder output 1, selected when C=L, B=L, A=H and enable inputs satisfied.
15 Y0 output Active-low decoder output 0, selected when C=L, B=L, A=L and enable inputs satisfied.
16 VCC power_in Positive power supply, recommended operating range 4.5V to 5.5V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-16
Category Logic
Pins 16

CAD (KiCad official)

  • Symbol: CD74ACT138M96
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: cd74act138m96-etched.step / cd74act138m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74act138m96.step / cd74act138m96.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (29 pp, sha256 5552d170ce35cc65, retrieved 2026-10-03, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF