MC14066BDR2G

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  "type": "component",
  "slug": "mc14066bdr2g",
  "title": "MC14066BDR2G",
  "brief": "onsemi Analog Switches, Multiplexers, SOP-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
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    "mc14066bdr2g"
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  "component": {
    "mpn": "MC14066BDR2G",
    "manufacturer": "onsemi",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc14066b-d.pdf",
    "parts": {
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      "footprint": "mc14066bdr2g.kicad_mod",
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      "model_3d_plain": "mc14066bdr2g.glb",
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      "lbr": "mc14066bdr2g.lbr"
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    "pins": [
      {
        "number": "1",
        "name": "IN1",
        "type": "bidirectional",
        "description": "Switch 1 analog/digital I/O terminal (bilateral). Paired with OUT1 (pin 2) through the switch element. Signal range VSS <= Vin <= VDD; recommended peak-to-peak swing up to VDD."
      },
      {
        "number": "2",
        "name": "OUT1",
        "type": "bidirectional",
        "description": "Switch 1 analog/digital I/O terminal (bilateral). Paired with IN1 (pin 1) through the switch element. Signal range VSS <= Vout <= VDD."
      },
      {
        "number": "3",
        "name": "OUT2",
        "type": "bidirectional",
        "description": "Switch 2 analog/digital I/O terminal (bilateral). Paired with IN2 (pin 4) through the switch element. Signal range VSS <= Vout <= VDD."
      },
      {
        "number": "4",
        "name": "IN2",
        "type": "bidirectional",
        "description": "Switch 2 analog/digital I/O terminal (bilateral). Paired with OUT2 (pin 3) through the switch element. Signal range VSS <= Vin <= VDD."
      },
      {
        "number": "5",
        "name": "CONTROL2",
        "type": "input",
        "description": "Digital control input for switch 2. Logic 0 (VSS) opens the switch (OFF); logic 1 (VDD) closes the switch (ON). Triple-diode protected input with typical input capacitance 5 pF and leakage <= +/-0.1 uA."
      },
      {
        "number": "6",
        "name": "CONTROL3",
        "type": "input",
        "description": "Digital control input for switch 3. Logic 0 (VSS) opens the switch (OFF); logic 1 (VDD) closes the switch (ON). Triple-diode protected input."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference. Sets the lower bound of the signal and logic voltage ranges. Typically tied to 0 V for single-supply operation or to a negative rail for split-supply analog switching."
      },
      {
        "number": "8",
        "name": "IN3",
        "type": "bidirectional",
        "description": "Switch 3 analog/digital I/O terminal (bilateral). Paired with OUT3 (pin 9) through the switch element. Signal range VSS <= Vin <= VDD."
      },
      {
        "number": "9",
        "name": "OUT3",
        "type": "bidirectional",
        "description": "Switch 3 analog/digital I/O terminal (bilateral). Paired with IN3 (pin 8) through the switch element. Signal range VSS <= Vout <= VDD."
      },
      {
        "number": "10",
        "name": "OUT4",
        "type": "bidirectional",
        "description": "Switch 4 analog/digital I/O terminal (bilateral). Paired with IN4 (pin 11) through the switch element. Signal range VSS <= Vout <= VDD."
      },
      {
        "number": "11",
        "name": "IN4",
        "type": "bidirectional",
        "description": "Switch 4 analog/digital I/O terminal (bilateral). Paired with OUT4 (pin 10) through the switch element. Signal range VSS <= Vin <= VDD."
      },
      {
        "number": "12",
        "name": "CONTROL4",
        "type": "input",
        "description": "Digital control input for switch 4. Logic 0 (VSS) opens the switch (OFF); logic 1 (VDD) closes the switch (ON). Triple-diode protected input."
      },
      {
        "number": "13",
        "name": "CONTROL1",
        "type": "input",
        "description": "Digital control input for switch 1. Logic 0 (VSS) opens the switch (OFF); logic 1 (VDD) closes the switch (ON). Triple-diode protected input."
      },
      {
        "number": "14",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Absolute maximum 18 V; operating range 3.0 to 18 Vdc referenced to VSS. Sets the upper bound of both the logic high threshold and the switch signal range."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc14066b-d.pdf",
        "pages": 11,
        "sha256": "20e7638a2f02da1e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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    "logic": {
      "family_id": "CD4066",
      "logic_family": "CD4000",
      "function_code": "4066",
      "function_class": "AnalogSwitch",
      "function_name": "Quad Bilateral Switch",
      "manufacturer": "Onsemi (Motorola legacy)",
      "is_specialty": false
    },
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        "units": "mm",
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        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
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        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOP-14",
      "Category": "Interface",
      "Pins": "14"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
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  "discovery_pitch": "MC14066BDR2G (onsemi) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "files": [
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  "variants": [
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      "kind": "packaging"
    },
    {
      "mpn": "MC14066BDR2GDG",
      "kind": "packaging"
    },
    {
      "mpn": "MC14066BDR2GF",
      "kind": "packaging"
    },
    {
      "mpn": "MC14066BDR2GDT",
      "kind": "packaging"
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    {
      "mpn": "MC14066BDR2GDTR2",
      "kind": "packaging"
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  ],
  "updated_at": "2026-09-28T18:42:39.337Z"
}