MC74HC4051ADR2G

{
  "slug": "mc74hc4051adr2g",
  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Analog Switches, Multiplexers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "mc74hc4051adr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "mc74hc4051adr2g.kicad_mod",
    "mc74hc4051adr2g.glb",
    "mc74hc4051adr2g.step",
    "mc74hc4051adr2g.lbr",
    "docs/hero.png",
    "docs/mc74hc4051adr2g-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
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    "mc74hc4051adr2g-hero.overlay.json"
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  "component": {
    "mpn": "MC74HC4051ADR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172799857119232",
    "parts": {
      "symbol": "mc74hc4051adr2g.kicad_sym",
      "footprint": "mc74hc4051adr2g.kicad_mod",
      "model_3d": "mc74hc4051adr2g-hero.glb",
      "model_3d_plain": "mc74hc4051adr2g.glb",
      "model_3d_step": "mc74hc4051adr2g-etched.step",
      "model_3d_step_plain": "mc74hc4051adr2g.step",
      "lbr": "mc74hc4051adr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C16870",
      "digikey": "MC74HC4051ADR2GOSTR-ND",
      "mouser": "863-MC74HC4051ADR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:37:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC74HC4051ADR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MC74HC4051ADR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "X4",
        "type": "passive",
        "description": "Analog input/output channel 4 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "2",
        "name": "X6",
        "type": "passive",
        "description": "Analog input/output channel 6 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "3",
        "name": "X",
        "type": "passive",
        "description": "Common analog output/input that is connected to the selected channel through the analog switch, and is disconnected when Enable is HIGH."
      },
      {
        "number": "4",
        "name": "X7",
        "type": "passive",
        "description": "Analog input/output channel 7 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "5",
        "name": "X5",
        "type": "passive",
        "description": "Analog input/output channel 5 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "6",
        "name": "Enable",
        "type": "input",
        "description": "Active-HIGH disable input: when HIGH all analog switches are turned off, and it should be held at VCC or GND logic levels."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "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."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference (0 V) for the Channel-Select and Enable inputs, with VCC − GND of 2.0 to 6.0 V."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel-select input C, a binary address bit that must be held at VCC or GND logic levels."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel-select input B, a binary address bit that must be held at VCC or GND logic levels."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel-select input A, a binary address bit that must be held at VCC or GND logic levels."
      },
      {
        "number": "12",
        "name": "X3",
        "type": "passive",
        "description": "Analog input/output channel 3 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "13",
        "name": "X0",
        "type": "passive",
        "description": "Analog input/output channel 0 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "14",
        "name": "X1",
        "type": "passive",
        "description": "Analog input/output channel 1 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "15",
        "name": "X2",
        "type": "passive",
        "description": "Analog input/output channel 2 of the multiplexer, with the analog signal limited to the range VEE to VCC."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "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."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin assignments come from the text-extracted top-view figure for MC74HC4051A on page 2. They wer; The datasheet covers the MC74HC4051A, HC4052A and HC4053A together. The pinout above is the HC4051A,"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1112,
        "at": "2026-10-09T18:36:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586172799857119232",
        "pages": 17,
        "sha256": "d0f894466a6e2292",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
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        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "sha256": "20ef1ec4e01fb3483240cbf0df41ea91e6ce93d349fc9e3d4711eb4a8cff579c",
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}