74LVC1G66GW

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  "slug": "74lvc1g66gw",
  "title": "74LVC1G66GW",
  "brief": "Nexperia Analog Switches, Multiplexers, SOT-353. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.2",
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    "mpn": "74LVC1G66GW",
    "manufacturer": "Nexperia",
    "package": "SOT-353",
    "pin_count": 5,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74LVC1G66GW.pdf",
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    "pins": [
      {
        "number": "1",
        "name": "Y",
        "type": "bidirectional",
        "description": "Independent analog switch input or output terminal. Bidirectional analog signal path connected to Z when E is HIGH. Signal voltage must remain between 0 V and VCC."
      },
      {
        "number": "2",
        "name": "Z",
        "type": "bidirectional",
        "description": "Independent analog switch output or input terminal. Bidirectional analog signal path connected to Y when E is HIGH. Signal voltage must remain between 0 V and VCC."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "4",
        "name": "E",
        "type": "input",
        "description": "Digital enable input, active HIGH. When E = HIGH the analog switch is ON (Y-Z connected); when E = LOW the switch is OFF. Schmitt-trigger input, overvoltage tolerant to 5.5 V regardless of VCC."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 1.65 V to 5.5 V (absolute max 6.5 V). Sets the maximum switch signal voltage on Y/Z."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74LVC1G66GW.pdf",
        "pages": 23,
        "sha256": "3da663595b759c8f",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
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        "refuses_to_fabricate": true
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    "pin1": {
      "pad": "1",
      "at": [
        -0.8375,
        -0.65
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-353_SC-70-5@sha256:869e17094994ff78",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74LVC1G66",
      "logic_family": "74LVC",
      "function_code": "1G66",
      "function_class": "AnalogSwitch",
      "function_name": "1-gate variant of Bilateral Analog Switch (66)",
      "manufacturer": null,
      "is_specialty": false
    },
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          1.1
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-07",
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        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOT-353",
      "Category": "Interface",
      "Pins": "5"
    }
  },
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  "discovery_pitch": "74LVC1G66GW (Nexperia) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
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  "visibility": "public",
  "updated_at": "2026-09-24T15:13:50.644Z",
  "description": "Nexperia Analog Switches, Multiplexers, SOT-353. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "org": "adom"
}