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Contents

README

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CD74HC139M96

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

CD74HC139M96 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 1E input Enable input for decoder 1, active low.
2 1A0 input Select input A0 for decoder 1.
3 1A1 input Select input A1 for decoder 1.
4 1Y0 output Active low output Y0 for decoder 1.
5 1Y1 output Active low output Y1 for decoder 1.
6 1Y2 output Active low output Y2 for decoder 1.
7 1Y3 output Active low output Y3 for decoder 1.
8 GND power_in Ground connection.
9 2Y3 output Active low output Y3 for decoder 2.
10 2Y2 output Active low output Y2 for decoder 2.
11 2Y1 output Active low output Y1 for decoder 2.
12 2Y0 output Active low output Y0 for decoder 2.
13 2A1 input Select input A1 for decoder 2.
14 2A0 input Select input A0 for decoder 2.
15 2E input Enable input for decoder 2, active low.
16 VCC power_in Supply voltage: 2V to 6V for HC types, 4.5V to 5.5V for HCT types.

Key specifications

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

CAD (KiCad official)

  • Symbol: CD74HC139M96
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: cd74hc139m96-etched.step / cd74hc139m96-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cd74hc139m96.step / cd74hc139m96.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (14 pp, sha256 73fb34554a953f9b, retrieved 2026-09-26, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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