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Contents

README

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SN74LV139ADR

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

SN74LV139ADR 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 1G input Channel 1 output enable input (active low); all outputs high when high
2 1A0 input Channel 1 address select A0 input
3 1A1 input Channel 1 address select A1 input
4 1Y0 output Channel 1 output 0 (active low); selected when A1=L, A0=L, G=L
5 1Y1 output Channel 1 output 1 (active low); selected when A1=L, A0=H, G=L
6 1Y2 output Channel 1 output 2 (active low); selected when A1=H, A0=L, G=L
7 1Y3 output Channel 1 output 3 (active low); selected when A1=H, A0=H, G=L
8 GND power_in Ground
9 2Y3 output Channel 2 output 3 (active low); selected when A1=H, A0=H, G=L
10 2Y2 output Channel 2 output 2 (active low); selected when A1=H, A0=L, G=L
11 2Y1 output Channel 2 output 1 (active low); selected when A1=L, A0=H, G=L
12 2Y0 output Channel 2 output 0 (active low); selected when A1=L, A0=L, G=L
13 2A1 input Channel 2 address select A1 input
14 2A0 input Channel 2 address select A0 input
15 2G input Channel 2 output enable input (active low); all outputs high when high
16 VCC power_in Positive supply, 2V to 5.5V rated

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LV139ADR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: sn74lv139adr-etched.step / sn74lv139adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv139adr.step / sn74lv139adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 4e7478ad3a2a22e0, retrieved 2026-09-26, tier: manufacturer)
  • 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