SN74LVC1G66DBVR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lvc1g66dbvr",
  "title": "SN74LVC1G66DBVR",
  "brief": "UMW Analog Switches / Multiplexers, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "sn74lvc1g66dbvr"
  ],
  "component": {
    "mpn": "SN74LVC1G66DBVR",
    "manufacturer": "UMW",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Comm/UART",
    "subcategory": "Analog Switches / Multiplexers",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091744_UMW-Youtai-Semiconductor-Co---Ltd--SN74LVC1G66DBVR_C5375974.pdf",
    "parts": {
      "symbol": "sn74lvc1g66dbvr.kicad_sym",
      "footprint": "sn74lvc1g66dbvr.kicad_mod",
      "model_3d": "sn74lvc1g66dbvr-etched.glb",
      "model_3d_plain": "sn74lvc1g66dbvr.glb",
      "model_3d_step": "sn74lvc1g66dbvr-etched.step",
      "model_3d_step_plain": "sn74lvc1g66dbvr.step",
      "lbr": "sn74lvc1g66dbvr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A",
        "type": "bidirectional",
        "description": "Bidirectional analog/digital switch terminal A. Connected to terminal B when control C is high. Signal amplitude up to 5.5 V(peak), VIO range 0 to VCC."
      },
      {
        "number": "2",
        "name": "B",
        "type": "bidirectional",
        "description": "Bidirectional analog/digital switch terminal B. Connected to terminal A when control C is high. Signal amplitude up to 5.5 V(peak), VIO range 0 to VCC."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. All voltages are referenced to this pin."
      },
      {
        "number": "4",
        "name": "C",
        "type": "input",
        "description": "Digital control input for the switch. L = switch OFF (A disconnected from B); H = switch ON. VIH threshold ~0.65×VCC to 0.7×VCC depending on VCC; input voltage range 0 to 5.5 V (accepts inputs above VCC)."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input. Recommended operating range 1.65 V to 5.5 V; absolute maximum 6.5 V. Bypass with a local 0.1 µF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2311091744_UMW-Youtai-Semiconductor-Co---Ltd--SN74LVC1G66DBVR_C5375974.pdf",
        "pages": 24,
        "sha256": "673f1c8c93aa0132",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "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": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "sn74lvc1g66dbvr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvc1g66dbvr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5b30907c359635a3f6bed2248592bad8c5b0800ec4424d8ab19b499720b73ea2",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "UMW",
      "Package": "SOT-23-5",
      "Category": "Comm/UART",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74lvc1g66dbvr"
  ],
  "discovery_pitch": "SN74LVC1G66DBVR (UMW) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74lvc1g66dbvr.kicad_sym",
    "sn74lvc1g66dbvr.kicad_mod",
    "sn74lvc1g66dbvr.glb",
    "sn74lvc1g66dbvr.step",
    "sn74lvc1g66dbvr-etched.step",
    "sn74lvc1g66dbvr.lbr",
    "docs/hero.png",
    "docs/sn74lvc1g66dbvr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74LVC1G66DBVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G66DBVRDCKR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G66DBVRDRLR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G66DBVRDRYR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G66DBVRDSFR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC1G66DBVRYZPR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:38:25.178Z"
}