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{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74vhc4051dr2g",
  "title": "MC74VHC4051DR2G",
  "brief": "onsemi Signal Switches, Multiplexers, Decoders, SOIC-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": [
    "component",
    "logic",
    "mc74vhc4051dr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MC74VHC4051DR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74vhc4051-d.pdf",
    "parts": {
      "symbol": "mc74vhc4051dr2g.kicad_sym",
      "footprint": "mc74vhc4051dr2g.kicad_mod",
      "model_3d": "mc74vhc4051dr2g-hero.glb",
      "model_3d_plain": "mc74vhc4051dr2g-etched.glb",
      "model_3d_step": "mc74vhc4051dr2g-etched.step",
      "model_3d_step_plain": "mc74vhc4051dr2g.step",
      "lbr": "mc74vhc4051dr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C904185",
      "digikey": "MC74VHC4051DR2GOSTR-ND",
      "mouser": "863-MC74VHC4051DR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:49:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC74VHC4051DR2GOSTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "863-MC74VHC4051DR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "X4",
        "type": "passive",
        "description": "Analog input/output channel X4 of the VHC4051; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "2",
        "name": "X6",
        "type": "passive",
        "description": "Analog input/output channel X6; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "3",
        "name": "X",
        "type": "passive",
        "description": "Common analog output/input of the multiplexer, connected to one of channels X0 to X7 selected by A, B and C when Enable is LOW."
      },
      {
        "number": "4",
        "name": "X7",
        "type": "passive",
        "description": "Analog input/output channel X7; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "5",
        "name": "X5",
        "type": "passive",
        "description": "Analog input/output channel X5; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "6",
        "name": "Enable",
        "type": "input",
        "description": "Active-high enable; when HIGH all analog switches are turned off, and the input is CMOS-compatible with a pull-up resistor needed for LSTTL outputs."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply, 0 to −6 V relative to GND with VEE ≤ GND, giving a VCC − VEE range of 2 to 12 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Digital ground reference; VCC − GND must be 2 to 6 V and VEE − GND 0 to −6 V."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel-select input C (most significant select bit) that must be driven at VCC or GND logic levels."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel-select input B that must be driven at VCC or GND logic levels."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel-select input A (least significant select bit) that must be driven at VCC or GND logic levels."
      },
      {
        "number": "12",
        "name": "X3",
        "type": "passive",
        "description": "Analog input/output channel X3; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "13",
        "name": "X0",
        "type": "passive",
        "description": "Analog input/output channel X0; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "14",
        "name": "X1",
        "type": "passive",
        "description": "Analog input/output channel X1; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "15",
        "name": "X2",
        "type": "passive",
        "description": "Analog input/output channel X2; analog voltages may vary across the supply range from VEE to VCC, and unused channels may be left floating."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 2 to 6 V relative to GND for digital control and up to 12 V above VEE for the analog switches (VCC − VEE = 2 to 12 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 pinout is taken from the text-extracted top-view figure (Figure 2, page 3) and cross-checked aga; The SOIC-16 style tables on page 17 (Style 1-7) are for transistor/diode arrays and do not apply to ; Pin descriptions for Enable, A/B/C and supply pins combine the datasheet's stated limits (pages 1, 4"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1091,
        "at": "2026-10-18T05:48:19"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74vhc4051-d.pdf",
        "pages": 19,
        "sha256": "4ae2350b8cf5f4c4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mc74vhc4051dr2g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc74vhc4051dr2g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d45cb4a20ccf2f1f69637f0738c0fa2ab077e9a593c374295577e6a2fc963765",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4ae2350b8cf5f4c4cb526195d16395c3b843206b65b3128cb4e975c8a1871420",
      "rows": [
        {
          "name": "Positive DC Supply Voltage (referenced to GND)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 6,
          "conditions": "Referenced to GND",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Positive DC Supply Voltage (referenced to VEE)",
          "symbol": "VCC",
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          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 12,
          "conditions": "Referenced to VEE",
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        {
          "name": "Negative DC Supply Voltage, Output (referenced to GND)",
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          "typ": null,
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          "conditions": "Maximum printed as GND",
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          "name": "Static or Dynamic Voltage Across Switch",
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        },
        {
          "name": "Operating Temperature Range, All Package Types",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
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          "name": "Input Rise/Fall Time (Channel Select or Enable Inputs)",
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          "kind": "recommended_operating",
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          "name": "Input Rise/Fall Time (Channel Select or Enable Inputs)",
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          "kind": "recommended_operating",
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          "conditions": "VCC = 3.0 V",
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        {
          "name": "Input Rise/Fall Time (Channel Select or Enable Inputs)",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
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          "max": 500,
          "conditions": "VCC = 4.5 V",
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          "source": "datasheet"
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          "name": "Input Rise/Fall Time (Channel Select or Enable Inputs)",
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          "kind": "recommended_operating",
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          "typ": null,
          "max": 400,
          "conditions": "VCC = 6.0 V",
          "source_page": 4,
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        {
          "name": "Positive DC Supply Voltage (referenced to GND)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Referenced to GND",
          "source_page": 4,
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        {
          "name": "Positive DC Supply Voltage (referenced to VEE)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 14,
          "conditions": "Referenced to VEE",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Negative DC Supply Voltage (referenced to GND)",
          "symbol": "VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 5,
          "conditions": "Referenced to GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Current, Into or Out of Any Pin",
          "symbol": "I",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power Dissipation in Still Air, SOIC Package",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Still air",
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        {
          "name": "Storage Temperature Range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
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          "max": 150,
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        {
          "name": "Lead Temperature, 1 mm from Case for 10 Seconds",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
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          "conditions": "1 mm from case, 10 s",
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        {
          "name": "Minimum High-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIH",
          "kind": "electrical",
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          "min": 2.1,
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          "max": null,
          "conditions": "VCC = 3.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
          "typ": null,
          "max": null,
          "conditions": "VCC = 4.5 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 6.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC = 2.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "VCC = 3.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.35,
          "conditions": "VCC = 4.5 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage, Channel-Select or Enable Inputs",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "VCC = 6.0 V; Ron = Per Spec",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current, Channel-Select or Enable Inputs",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Vin = VCC or GND; VCC = 6.0 V; VEE = -6.0 V; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Quiescent Supply Current (per Package)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 6.0 V; VEE = GND; Channel Select, Enable and VIS = VCC or GND; VIO = 0 V; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Quiescent Supply Current (per Package)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "VCC = 6.0 V; VEE = -6.0 V; Channel Select, Enable and VIS = VCC or GND; VIO = 0 V; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Resistance",
          "symbol": "Ron",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 320,
          "conditions": "VCC = 3.0 V, VEE = 0.0 V; Vin = VIL or VIH; VIS = VCC to VEE; IS ≤ 2.0 mA; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Resistance",
          "symbol": "Ron",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 280,
          "conditions": "VCC = 4.5 V, VEE = 0.0 V; Vin = VIL or VIH; VIS = VCC to VEE; IS ≤ 2.0 mA; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Resistance",
          "symbol": "Ron",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 170,
          "conditions": "VCC = 4.5 V, VEE = -4.5 V; Vin = VIL or VIH; VIS = VCC to VEE; IS ≤ 2.0 mA; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Resistance",
          "symbol": "Ron",
          "kind": "electrical",
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          "min": null,
          "typ": null,
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          "conditions": "VCC = 6.0 V, VEE = -6.0 V; Vin = VIL or VIH; VIS = VCC to VEE; IS ≤ 2.0 mA; 125 °C column",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum ON Resistance (endpoints)",
          "symbol": "Ron",
          "kind": "electrical",
          "unit": "Ω",
          "min": null,
          "typ": null,
          "max": 230,
          "conditions": "VCC = 3.0 V, VEE = 0.0 V; Vin = VIL or VIH; VIS = VCC or VEE; IS ≤ 2.0 mA; 125 °C column",
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