CD74HC4066PWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd74hc4066pwr",
  "title": "CD74HC4066PWR",
  "brief": "Texas Instruments Analog Switches, Multiplexers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "CD74HC4066PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc4066.pdf",
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      "model_3d_plain": "cd74hc4066pwr.glb",
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    "distributor_links": {
      "lcsc": "C111285"
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    "pins": [
      {
        "number": "1",
        "name": "1Y",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 1, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "2",
        "name": "1Z",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 1, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "3",
        "name": "2Z",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 2, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "4",
        "name": "2Y",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 2, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "5",
        "name": "2E",
        "type": "input",
        "description": "Control input for Switch 2, high level turns switch ON, low level turns switch OFF"
      },
      {
        "number": "6",
        "name": "3E",
        "type": "input",
        "description": "Control input for Switch 3, high level turns switch ON, low level turns switch OFF"
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0V reference potential for device operation"
      },
      {
        "number": "8",
        "name": "3Y",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 3, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "9",
        "name": "3Z",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 3, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "10",
        "name": "4Z",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 4, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "11",
        "name": "4Y",
        "type": "bidirectional",
        "description": "Analog switch input/output for Switch 4, conducts bidirectional signals when switch is ON"
      },
      {
        "number": "12",
        "name": "4E",
        "type": "input",
        "description": "Control input for Switch 4, high level turns switch ON, low level turns switch OFF"
      },
      {
        "number": "13",
        "name": "1E",
        "type": "input",
        "description": "Control input for Switch 1, high level turns switch ON, low level turns switch OFF"
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply pin, 2V to 10V operating range for CD74HC4066"
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 25,
        "cost_usd": 0.2295,
        "at": "2026-09-23T08:34:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd74hc4066.pdf",
        "pages": 25,
        "sha256": "1b48baacb6c14b35",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Interface",
      "Pins": "14"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_pitch": "CD74HC4066PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  "visibility": {
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  "updated_at": "2026-09-24T18:55:45.117Z"
}