74HC4066D

{
  "slug": "74hc4066d",
  "version": "0.2.2",
  "type": "component",
  "description": "Nexperia Analog Switches, Multiplexers, SOIC-14. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "74hc4066d"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc4066d.kicad_sym",
    "74hc4066d.kicad_mod",
    "74hc4066d.glb",
    "74hc4066d.step",
    "74hc4066d-etched.step",
    "74hc4066d.lbr",
    "docs/hero.png",
    "docs/74hc4066d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "74hc4066d-etched.glb",
    "74hc4066d-hero.glb",
    "74hc4066d-hero.overlay.json"
  ],
  "visibility": "public",
  "component": {
    "mpn": "74HC4066D",
    "manufacturer": "Nexperia",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC4066D.pdf",
    "parts": {
      "symbol": "74hc4066d.kicad_sym",
      "footprint": "74hc4066d.kicad_mod",
      "model_3d": "74hc4066d-hero.glb",
      "model_3d_plain": "74hc4066d.glb",
      "model_3d_step": "74hc4066d-etched.step",
      "model_3d_step_plain": "74hc4066d.step",
      "lbr": "74hc4066d.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "1Y",
        "type": "bidirectional",
        "description": "Analog switch 1 independent input or output terminal. Bidirectional analog I/O connected to 1Z through the analog switch when enable 1E is HIGH. Switch current limit ±25 mA."
      },
      {
        "number": "2",
        "name": "1Z",
        "type": "bidirectional",
        "description": "Analog switch 1 independent input or output terminal. Bidirectional analog I/O connected to 1Y through the analog switch when enable 1E is HIGH."
      },
      {
        "number": "3",
        "name": "2Z",
        "type": "bidirectional",
        "description": "Analog switch 2 independent input or output terminal. Bidirectional analog I/O connected to 2Y when 2E is HIGH."
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "bidirectional",
        "description": "Analog switch 2 independent input or output terminal. Bidirectional analog I/O connected to 2Z when 2E is HIGH."
      },
      {
        "number": "5",
        "name": "2E",
        "type": "input",
        "description": "Enable input for switch 2 (active HIGH). H = switch ON, L = switch OFF. VIH ≥ 3.15 V at VCC = 4.5 V (CMOS levels for 74HC)."
      },
      {
        "number": "6",
        "name": "3E",
        "type": "input",
        "description": "Enable input for switch 3 (active HIGH). H = switch ON, L = switch OFF."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V). Maximum ground current ±50 mA."
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "bidirectional",
        "description": "Analog switch 3 independent input or output terminal. Bidirectional analog I/O connected to 3Z when 3E is HIGH."
      },
      {
        "number": "9",
        "name": "3Z",
        "type": "bidirectional",
        "description": "Analog switch 3 independent input or output terminal. Bidirectional analog I/O connected to 3Y when 3E is HIGH."
      },
      {
        "number": "10",
        "name": "4Z",
        "type": "bidirectional",
        "description": "Analog switch 4 independent input or output terminal. Bidirectional analog I/O connected to 4Y when 4E is HIGH."
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "bidirectional",
        "description": "Analog switch 4 independent input or output terminal. Bidirectional analog I/O connected to 4Z when 4E is HIGH."
      },
      {
        "number": "12",
        "name": "4E",
        "type": "input",
        "description": "Enable input for switch 4 (active HIGH). H = switch ON, L = switch OFF."
      },
      {
        "number": "13",
        "name": "1E",
        "type": "input",
        "description": "Enable input for switch 1 (active HIGH). H = switch ON, L = switch OFF."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 2.0 V to 10.0 V for 74HC4066; absolute max +11.0 V. ICC max 50 mA."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC4066D.pdf",
        "pages": 21,
        "sha256": "3fca0cb9e46e306f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -3.81
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-14_3.9x8.7mm_P1.27mm@sha256:a885b619b22880c9",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74HC4066",
      "logic_family": "74HC",
      "function_code": "4066",
      "function_class": "AnalogSwitch",
      "function_name": "Quad Bilateral Switch",
      "manufacturer": null,
      "is_specialty": false
    },
    "models_3d": [
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        "file": "74hc4066d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          8.7,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc4066d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e2bfeff1decef1c0669a25db63390f202fea3279aebe27452b397a165e6f5c29",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "title": "74HC4066D",
  "brief": "Nexperia Analog Switches, Multiplexers, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOIC-14",
      "Category": "Interface",
      "Pins": "14"
    }
  },
  "discovery_triggers": [
    "74hc4066d"
  ],
  "discovery_pitch": "74HC4066D (Nexperia) component page with datasheet-verified CAD."
}