SN74HC4051DR

{
  "slug": "sn74hc4051dr",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic Analog Switches, Multiplexers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sn74hc4051dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "sn74hc4051dr.kicad_sym",
    "sn74hc4051dr.kicad_mod",
    "sn74hc4051dr.glb",
    "sn74hc4051dr.step",
    "sn74hc4051dr.lbr",
    "docs/hero.png",
    "docs/sn74hc4051dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc4051dr-hero.glb",
    "sn74hc4051dr-hero.overlay.json",
    "sn74hc4051dr-etched.glb"
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  "component": {
    "mpn": "SN74HC4051DR",
    "manufacturer": "lingxingic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757805387015688192",
    "parts": {
      "symbol": "sn74hc4051dr.kicad_sym",
      "footprint": "sn74hc4051dr.kicad_mod",
      "model_3d": "sn74hc4051dr-hero.glb",
      "model_3d_plain": "sn74hc4051dr-etched.glb",
      "model_3d_step": "sn74hc4051dr-etched.step",
      "model_3d_step_plain": "sn74hc4051dr.step",
      "lbr": "sn74hc4051dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22390081"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T02:08:17Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Y4",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y4, conducting to Z when E̅ is low and S2 S1 S0 = H L L, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "2",
        "name": "Y6",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y6, conducting to Z when E̅ is low and S2 S1 S0 = H H L, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "3",
        "name": "Z",
        "type": "bidirectional",
        "description": "Common analog input/output that connects to the selected Yn channel; its voltage must not exceed VCC or fall below VEE, and switch current is rated ±25 mA."
      },
      {
        "number": "4",
        "name": "Y7",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y7, conducting to Z when E̅ is low and S2 S1 S0 = H H H, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "5",
        "name": "Y5",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y5, conducting to Z when E̅ is low and S2 S1 S0 = H L H, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "6",
        "name": "E",
        "type": "input",
        "description": "Active-low enable input: when driven high, all analog switches are turned off (open)."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply pin for the analog switch section; recommended VCC-VEE is 3.0 V to 9.0 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) pin for the logic inputs and the VCC-GND supply range."
      },
      {
        "number": "9",
        "name": "S2",
        "type": "input",
        "description": "Binary channel-select input (most significant bit) for choosing Y0 to Y7; logic input levels are referenced to GND, with input voltage 0 V to VCC."
      },
      {
        "number": "10",
        "name": "S1",
        "type": "input",
        "description": "Binary channel-select input (middle bit) for choosing Y0 to Y7; logic input voltage must stay between 0 V and VCC."
      },
      {
        "number": "11",
        "name": "S0",
        "type": "input",
        "description": "Binary channel-select input (least significant bit) for choosing Y0 to Y7; logic input voltage must stay between 0 V and VCC."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y3, conducting to Z when E̅ is low and S2 S1 S0 = L H H, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "13",
        "name": "Y0",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y0, conducting to Z when E̅ is low and S2 S1 S0 = L L L, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y1, conducting to Z when E̅ is low and S2 S1 S0 = L L H, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "15",
        "name": "Y2",
        "type": "bidirectional",
        "description": "Independent analog input/output channel Y2, conducting to Z when E̅ is low and S2 S1 S0 = L H L, with analog voltage limited to the range between VEE and VCC."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin; recommended VCC-GND is 3.0 V to 9.0 V for the HC4051 (absolute maximum -0.5 V to +11 V)."
      }
    ],
    "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 datasheet gives a single pin table (p.9) shared by the DIP16, SOP16 and TSSOP16 variants, so the; The pin-2 function table lists the logic-input and supply ranges for both HC and HCT parts. The VCC-; Figure 8 (p.8) carries a footnote (1) saying one pin is not a power pin and should be tied to the su"
        ],
        "pages_sent": 32,
        "cost_usd": 0.1003,
        "at": "2026-10-18T02:06:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757805387015688192",
        "pages": 32,
        "sha256": "312a1ab8f02578c4",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc4051dr-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
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        "extents_mm": [
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        "zmin_mm": -0.0,
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        "sha256": "e1ded326397c6fd2ecc2579992964b66239e5a809f2e29d00c97c6840f0b330d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}