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MC74HC4051ADR2G

Public Made by Adom

by adom

onsemi Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MC74HC4051ADR2G

onsemi · Analog Switches, Multiplexers · SOIC-16

MC74HC4051ADR2G from onsemi, 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 X4 passive Analog input/output channel 4 of the multiplexer, with the analog signal limited to the range VEE to VCC.
2 X6 passive Analog input/output channel 6 of the multiplexer, with the analog signal limited to the range VEE to VCC.
3 X passive Common analog output/input that is connected to the selected channel through the analog switch, and is disconnected when Enable is HIGH.
4 X7 passive Analog input/output channel 7 of the multiplexer, with the analog signal limited to the range VEE to VCC.
5 X5 passive Analog input/output channel 5 of the multiplexer, with the analog signal limited to the range VEE to VCC.
6 Enable input Active-HIGH disable input: when HIGH all analog switches are turned off, and it should be held at VCC or GND logic levels.
7 VEE power_in Negative supply, from −6.0 V up to GND (VEE ≤ GND), which sets the analog swing with VCC − VEE of 2.0 to 12.0 V.
8 GND power_in Digital ground reference (0 V) for the Channel-Select and Enable inputs, with VCC − GND of 2.0 to 6.0 V.
9 C input Channel-select input C, a binary address bit that must be held at VCC or GND logic levels.
10 B input Channel-select input B, a binary address bit that must be held at VCC or GND logic levels.
11 A input Channel-select input A, a binary address bit that must be held at VCC or GND logic levels.
12 X3 passive Analog input/output channel 3 of the multiplexer, with the analog signal limited to the range VEE to VCC.
13 X0 passive Analog input/output channel 0 of the multiplexer, with the analog signal limited to the range VEE to VCC.
14 X1 passive Analog input/output channel 1 of the multiplexer, with the analog signal limited to the range VEE to VCC.
15 X2 passive Analog input/output channel 2 of the multiplexer, with the analog signal limited to the range VEE to VCC.
16 VCC power_in Positive supply, 2.0 to 6.0 V relative to GND for digital control and 2.0 to 12.0 V relative to VEE for the analog switches.

Key specifications

Parameter Value
Manufacturer onsemi
Package SOIC-16
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: MC74HC4051ADR2G
  • Footprint: Package_SO:SOIC-16_3.9x9.9mm_P1.27mm
  • 3D model: SOIC-16 (KiCad packages3D, STEP)
  • 3D model files: mc74hc4051adr2g-etched.step / mc74hc4051adr2g-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mc74hc4051adr2g.step / mc74hc4051adr2g.glb are the bare package body.

Provenance

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

  • Datasheet: onsemi datasheet (17 pp, sha256 d0f894466a6e2292, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (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