74HC4051-MS

{
  "schema_version": 1,
  "type": "component",
  "slug": "74hc4051-ms",
  "title": "74HC4051-MS",
  "brief": "MSKSEMI Analog Switches, Multiplexers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "74hc4051-ms",
    "factory-2.0.0",
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  "component": {
    "mpn": "74HC4051-MS",
    "manufacturer": "MSKSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603066761155653632",
    "parts": {
      "symbol": "74hc4051-ms.kicad_sym",
      "footprint": "74hc4051-ms.kicad_mod",
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      "model_3d_plain": "74hc4051-ms-etched.glb",
      "model_3d_step": "74hc4051-ms-etched.step",
      "model_3d_step_plain": "74hc4051-ms.step",
      "lbr": "74hc4051-ms.lbr"
    },
    "distributor_links": {
      "lcsc": "C7473146"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:30:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "4",
        "type": "passive",
        "description": "Analog switch channel 4; the signal path is enabled when the binary address selects channel 4 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "2",
        "name": "6",
        "type": "passive",
        "description": "Analog switch channel 6; the signal path is enabled when the binary address selects channel 6 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "passive",
        "description": "Common analog OUT/IN terminal that connects to the one channel selected by A, B, C when INH is low; analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "4",
        "name": "7",
        "type": "passive",
        "description": "Analog switch channel 7; the signal path is enabled when the binary address selects channel 7 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "5",
        "name": "5",
        "type": "passive",
        "description": "Analog switch channel 5; the signal path is enabled when the binary address selects channel 5 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Enable control input; when INH is high (VDD) all channels are off, per the truth table."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply for the analog switches; recommended VDD-VEE range is 0 to 15 V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground; recommended DC supply voltage VDD-VSS is 3 to 15 V and absolute maximum is -0.5 to 18 V."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel select control input (most significant address bit); control input voltage range is 0 to VDD-VSS."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel select control input (middle address bit); control input voltage range is 0 to VDD-VSS."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel select control input (least significant address bit); control input voltage range is 0 to VDD-VSS."
      },
      {
        "number": "12",
        "name": "3",
        "type": "passive",
        "description": "Analog switch channel 3; the signal path is enabled when the binary address selects channel 3 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "13",
        "name": "0",
        "type": "passive",
        "description": "Analog switch channel 0; the signal path is enabled when the binary address selects channel 0 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "14",
        "name": "1",
        "type": "passive",
        "description": "Analog switch channel 1; the signal path is enabled when the binary address selects channel 1 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "15",
        "name": "2",
        "type": "passive",
        "description": "Analog switch channel 2; the signal path is enabled when the binary address selects channel 2 and INH is low, with analog voltage limited to 0 to VDD-VEE."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; recommended DC supply voltage VDD-VSS is 3 to 15 V and absolute maximum is 18 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: Channel and COM pins are typed as passive because the datasheet gives only analog I/O voltage limits; The pin table was extracted from a two-column text layout without the package drawing, so the number"
        ],
        "pages_sent": 7,
        "cost_usd": 0.0366,
        "at": "2026-10-20T18:28:30"
      },
      "datasheet": {
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        "pages": 7,
        "sha256": "609e394ab50673ca",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "MSKSEMI",
      "Package": "SOP-16",
      "Category": "Interface",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
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      "rows": [
        {
          "name": "DC supply voltage VDD-VSS (absolute maximum)",
          "symbol": "VDD-VSS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Analog supply voltage VDD-VEE (absolute maximum)",
          "symbol": "VDD-VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 18,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation (absolute maximum)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
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        },
        {
          "name": "Operating temperature (absolute maximum)",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Lead soldering temperature (absolute maximum)",
          "symbol": "TW",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10s",
          "source_page": 3,
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        {
          "name": "DC supply voltage VDD-VSS (recommended)",
          "symbol": "VDD-VSS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Analog supply voltage VDD-VEE (recommended)",
          "symbol": "VDD-VEE",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Control input voltage (recommended)",
          "symbol": "VIS",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "printed max is VDD-VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Analog input/output voltage (recommended)",
          "symbol": "VIN, VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "printed max is VDD-VEE",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (recommended)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage VIH, VDD=5V",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "VDD=5V; VIH=VDD through 1k; VEE=VSS, RL=1kΩ to VSS, IIS<2uA on all OFF Channels",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage VIH, VDD=10V",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "VDD=10V; VIH=VDD through 1k; VEE=VSS, RL=1kΩ to VSS, IIS<2uA on all OFF Channels",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage VIH, VDD=15V",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": null,
          "max": null,
          "conditions": "VDD=15V; VIH=VDD through 1k; VEE=VSS, RL=1kΩ to VSS, IIS<2uA on all OFF Channels",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage VIL, VDD=5V",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VDD=5V; VIL=VDD through 1k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage VIL, VDD=10V",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "VDD=10V; VIL=VDD through 1k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage VIL, VDD=15V",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VDD=15V; VIL=VDD through 1k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Channel OFF leakage current IOFF",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "nA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VDD=18V; 输入输出通道关闭,INH=VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current IIN",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": 0.01,
          "max": 0.1,
          "conditions": "VDD=18V; VIN=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current IDD, VDD=5V",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 5,
          "conditions": "VDD=5V; VIN=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current IDD, VDD=10V",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 10,
          "conditions": "VDD=10V; VIN=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current IDD, VDD=15V",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": 0.01,
          "max": 20,
          "conditions": "VDD=15V; VIN=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-resistance RON, VDD=5V (value printed as single number, typ assumed)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "VDD=5V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-resistance RON, VDD=10V (value printed as single number, typ assumed)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VDD=10V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-resistance RON, VDD=15V (value printed as single number, typ assumed)",
          "symbol": "RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 60,
          "max": null,
          "conditions": "VDD=15V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjacent channel on-resistance difference △RON, VDD=5V (typ assumed)",
          "symbol": "△RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VDD=5V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjacent channel on-resistance difference △RON, VDD=10V (typ assumed)",
          "symbol": "△RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VDD=10V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Adjacent channel on-resistance difference △RON, VDD=15V (typ assumed)",
          "symbol": "△RON",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VDD=15V; 0≤VIS≤VDD",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance CIN (typ assumed)",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 7.5,
          "max": null,
          "conditions": "VDD=5V; 任意输入端",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Channel input capacitance CIS (typ assumed)",
          "symbol": "CIS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VDD=5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output capacitance COS (typ assumed)",
          "symbol": "COS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 9,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "On-channel capacitance CIOS (typ assumed)",
          "symbol": "CIOS",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 0.2,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay signal input to output, VDD=5V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VDD=5V; VIS=VDD, RL=200k, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay signal input to output, VDD=10V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": null,
          "conditions": "VDD=10V; VIS=VDD, RL=200k, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay signal input to output, VDD=15V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 7,
          "max": null,
          "conditions": "VDD=15V; VIS=VDD, RL=200k, CL=50pF",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay address to signal OUT, VDD=5V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VDD=5V; CL=50pF, RL=10k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay address to signal OUT, VDD=10V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 80,
          "max": null,
          "conditions": "VDD=10V; CL=50pF, RL=10k",
          "source_page": 4,
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        },
        {
          "name": "Propagation delay address to signal OUT, VDD=15V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "VDD=15V; CL=50pF, RL=10k",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay inhibit to signal OUT, channel turning ON, VDD=5V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 100,
          "max": null,
          "conditions": "VDD=5V; CL=50pF, RL=1k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay inhibit to signal OUT, channel turning ON, VDD=10V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
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        },
        {
          "name": "Propagation delay inhibit to signal OUT, channel turning ON, VDD=15V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "max": null,
          "conditions": "VDD=15V; CL=50pF, RL=1k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay inhibit to signal OUT, channel turning OFF, VDD=5V (typ assumed)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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          "conditions": "VDD=5V; CL=50pF, RL=10k",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay inhibit to signal OUT, channel turning OFF, VDD=10V (typ assumed)",
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