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Contents

README

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SN74LV4051ADR

Texas Instruments · Analog Switches, Multiplexers · SOIC-16

SN74LV4051ADR 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 Y4 bidirectional Input/Output channel 4 of the 8-channel multiplexer/demultiplexer
2 Y6 bidirectional Input/Output channel 6 of the 8-channel multiplexer/demultiplexer
3 COM bidirectional Common input/output terminal of the 8-channel multiplexer/demultiplexer
4 Y7 bidirectional Input/Output channel 7 of the 8-channel multiplexer/demultiplexer
5 Y5 bidirectional Input/Output channel 5 of the 8-channel multiplexer/demultiplexer
6 INH input Inhibit input; active high disables outputs, active low enables outputs
7 GND power_in Ground reference
8 GND power_in Ground reference
9 C input Address selector line C (bit 2) for channel selection
10 B input Address selector line B (bit 1) for channel selection
11 A input Address selector line A (bit 0) for channel selection
12 Y3 bidirectional Input/Output channel 3 of the 8-channel multiplexer/demultiplexer
13 Y0 bidirectional Input/Output channel 0 of the 8-channel multiplexer/demultiplexer
14 Y1 bidirectional Input/Output channel 1 of the 8-channel multiplexer/demultiplexer
15 Y2 bidirectional Input/Output channel 2 of the 8-channel multiplexer/demultiplexer
16 VCC power_in Power supply voltage, 1.65V to 5.5V recommended operating range

Key specifications

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

CAD (KiCad official)

  • Symbol: SN74LV4051ADR
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: sn74lv4051adr-etched.step / sn74lv4051adr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); sn74lv4051adr.step / sn74lv4051adr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (41 pp, sha256 2e2adcd3b48ee2ed, retrieved 2026-09-27, 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