74LVC1G66CT05ARCQ

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  "type": "component",
  "slug": "74lvc1g66ct05arcq",
  "title": "74LVC1G66CT05ARCQ",
  "brief": "GR Analog Switches, Multiplexers, SC-70-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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  "component": {
    "mpn": "74LVC1G66CT05ARCQ",
    "manufacturer": "GR",
    "package": "SC-70-5",
    "pin_count": 5,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/041e52849ef915d8f45bdc8d3a1a9d2a.pdf",
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      "footprint": "74lvc1g66ct05arcq.kicad_mod",
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      "model_3d_plain": "74lvc1g66ct05arcq.glb",
      "model_3d_step": "74lvc1g66ct05arcq-etched.step",
      "model_3d_step_plain": "74lvc1g66ct05arcq.step",
      "lbr": "74lvc1g66ct05arcq.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "bidirectional",
        "description": "Bidirectional analog switch I/O terminal A. Connects to switch terminal B when control input C is high. Signal voltage range 0 V to VCC (up to 5.5 V peak)."
      },
      {
        "number": "2",
        "name": "B",
        "type": "bidirectional",
        "description": "Bidirectional analog switch I/O terminal B. Connects to switch terminal A when control input C is high. Signal voltage range 0 V to VCC (up to 5.5 V peak)."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "4",
        "name": "C",
        "type": "input",
        "description": "Digital control input for the analog switch. Low = switch OFF (A disconnected from B); High = switch ON. VIH = VCC × 0.65-0.7 depending on VCC range; VIL = VCC × 0.3-0.35."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage input, 1.65 V to 5.5 V operating range (absolute max 6.5 V). Bypass with a local decoupling capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/041e52849ef915d8f45bdc8d3a1a9d2a.pdf",
        "pages": 12,
        "sha256": "fca52bfef5407645",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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    "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
    },
    "models_3d": [
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        "file": "74lvc1g66ct05arcq.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvc1g66ct05arcq-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8e6f2e5019e4aa2ea83386e133c0b9c060f3e651de37d9a1cedb227b3170c7d6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GR",
      "Package": "SC-70-5",
      "Category": "Interface",
      "Pins": "5"
    }
  },
  "variants": [
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      "mpn": "74LVC1G66CT05ARCQLT05ARCQ",
      "kind": "packaging"
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    {
      "mpn": "74LVC1G66CT05ARCQ",
      "kind": "packaging"
    },
    {
      "mpn": "74LVC1G66CT05ARCQDT05ARDQ",
      "kind": "packaging"
    },
    {
      "mpn": "74LVC1G66CT05ARCQBD06AREQ",
      "kind": "packaging"
    },
    {
      "mpn": "74LVC1G66CT05ARCQCD06AREQ",
      "kind": "packaging"
    },
    {
      "mpn": "74LVC1G66CT05ARCQAG05ARCQ",
      "kind": "packaging"
    }
  ],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "74LVC1G66CT05ARCQ (GR) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "files": [
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  "visibility": {
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  },
  "updated_at": "2026-09-24T15:13:42.673Z"
}