MC14051BDTR2G

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  "type": "component",
  "slug": "mc14051bdtr2g",
  "title": "MC14051BDTR2G",
  "brief": "onsemi Analog Switches, Multiplexers, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "mc14051bdtr2g"
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  "component": {
    "mpn": "MC14051BDTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc14051bdtr2-d.pdf",
    "parts": {
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      "footprint": "mc14051bdtr2g.kicad_mod",
      "model_3d": "mc14051bdtr2g-etched.glb",
      "model_3d_plain": "mc14051bdtr2g.glb",
      "model_3d_step": "mc14051bdtr2g-etched.step",
      "model_3d_step_plain": "mc14051bdtr2g.step",
      "lbr": "mc14051bdtr2g.lbr"
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    "distributor_links": {
      "lcsc": "C274656"
    },
    "pins": [
      {
        "number": "1",
        "name": "X4",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 4. Connected to common X (pin 3) when select code C=1, B=0, A=0 and INH=0. Signal range VEE to VDD."
      },
      {
        "number": "2",
        "name": "X6",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 6. Connected to common X (pin 3) when select code C=1, B=1, A=0 and INH=0. Signal range VEE to VDD."
      },
      {
        "number": "3",
        "name": "X",
        "type": "bidirectional",
        "description": "Common analog I/O for the 8:1 multiplexer/demultiplexer. Routed to one of X0..X7 by the ABC select code when INH=0; high-impedance when INH=1."
      },
      {
        "number": "4",
        "name": "X7",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 7. Connected to common X (pin 3) when select code C=1, B=1, A=1 and INH=0. Signal range VEE to VDD."
      },
      {
        "number": "5",
        "name": "X5",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 5. Connected to common X (pin 3) when select code C=1, B=0, A=1 and INH=0. Signal range VEE to VDD."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit (active-high). When INH=1, all eight channels are turned off (common X is high-impedance to all Xn). Referenced to VSS; VIL max 4.5 V and VIH min 5.5 V at VDD=10 V."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative analog supply rail. Sets the lower bound of the analog signal range on X and X0..X7. Must satisfy VEE ≤ VSS; VDD − VEE range 3.0 to 18 V."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Digital ground / logic reference for control inputs (INH, A, B, C). Typically tied to system ground; must be ≥ VEE."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Binary select input C (MSB of the 3-bit channel address). Combined with B and A selects which of X0..X7 connects to X. Referenced to VSS."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Binary select input B (middle bit of the 3-bit channel address). Referenced to VSS."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Binary select input A (LSB of the 3-bit channel address). Referenced to VSS."
      },
      {
        "number": "12",
        "name": "X3",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 3. Connected to common X (pin 3) when select code C=0, B=1, A=1 and INH=0."
      },
      {
        "number": "13",
        "name": "X0",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 0. Connected to common X (pin 3) when select code C=0, B=0, A=0 and INH=0."
      },
      {
        "number": "14",
        "name": "X1",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 1. Connected to common X (pin 3) when select code C=0, B=0, A=1 and INH=0."
      },
      {
        "number": "15",
        "name": "X2",
        "type": "bidirectional",
        "description": "Analog switch I/O channel 2. Connected to common X (pin 3) when select code C=0, B=1, A=0 and INH=0."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply rail for the digital control section and level converter. 3.0 to 18 V referenced to VSS; also sets the upper bound of the analog signal range on the switch pins."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc14051bdtr2-d.pdf",
        "pages": 11,
        "sha256": "b980ba9c7a734408",
        "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",
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    "pin1": {
      "pad": "1",
      "at": [
        -2.8625,
        -2.275
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "CD4051",
      "logic_family": "CD4000",
      "function_code": "4051",
      "function_class": "Multiplexer",
      "function_name": "8-Channel Analog Multiplexer/Demultiplexer",
      "manufacturer": "Onsemi (Motorola legacy)",
      "is_specialty": false
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSSOP-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "MC14051BDTR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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  "files": [
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    "mc14051bdtr2g.lbr",
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  "visibility": {
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  "variants": [
    {
      "mpn": "MC14051BDTR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14051BDTR2GDTG",
      "kind": "packaging"
    },
    {
      "mpn": "MC14051BDTR2GDR2G",
      "kind": "packaging"
    },
    {
      "mpn": "MC14051BDTR2GDG",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T18:42:23.757Z"
}