SN74LVC2G66DCUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lvc2g66dcur",
  "title": "SN74LVC2G66DCUR",
  "brief": "Texas Instruments Analog Switches, Multiplexers, VSSOP-8-0.5mm. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "interface",
    "sn74lvc2g66dcur"
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  "component": {
    "mpn": "SN74LVC2G66DCUR",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8-0.5mm",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvc2g66dcur.pdf",
    "parts": {
      "symbol": "sn74lvc2g66dcur.kicad_sym",
      "footprint": "sn74lvc2g66dcur.kicad_mod",
      "model_3d": "sn74lvc2g66dcur-etched.glb",
      "model_3d_plain": "sn74lvc2g66dcur.glb",
      "model_3d_step": "sn74lvc2g66dcur-etched.step",
      "model_3d_step_plain": "sn74lvc2g66dcur.step",
      "lbr": "sn74lvc2g66dcur.lbr"
    },
    "distributor_links": {
      "digikey": "296-13272-2-ND",
      "lcsc": "C181970"
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "bidirectional",
        "description": "Switch 1 bidirectional analog/digital signal terminal A. Signals up to 5.5 V peak can be passed between 1A and 1B when switch 1 is enabled (1C = H). Rail-to-rail input/output."
      },
      {
        "number": "2",
        "name": "1B",
        "type": "bidirectional",
        "description": "Switch 1 bidirectional analog/digital signal terminal B. Signals up to 5.5 V peak can be passed between 1A and 1B when switch 1 is enabled (1C = H)."
      },
      {
        "number": "3",
        "name": "1C",
        "type": "input",
        "description": "Switch 1 enable control input. L = switch OFF (1A/1B isolated); H = switch ON (1A/1B connected). Referenced to VCC; VIH ≈ VCC × 0.7 at VCC ≥ 2.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "2A",
        "type": "bidirectional",
        "description": "Switch 2 bidirectional analog/digital signal terminal A. Signals up to 5.5 V peak can be passed between 2A and 2B when switch 2 is enabled (2C = H)."
      },
      {
        "number": "6",
        "name": "2B",
        "type": "bidirectional",
        "description": "Switch 2 bidirectional analog/digital signal terminal B. Signals up to 5.5 V peak can be passed between 2A and 2B when switch 2 is enabled (2C = H)."
      },
      {
        "number": "7",
        "name": "2C",
        "type": "input",
        "description": "Switch 2 enable control input. L = switch OFF (2A/2B isolated); H = switch ON (2A/2B connected)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input, 1.65 V to 5.5 V. Bypass locally with a 0.1 µF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lvc2g66dcur.pdf",
        "pages": 29,
        "sha256": "dd5515827c66a656",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.4,
        -0.75
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "VSSOP-8_2.3x2mm_P0.5mm@sha256:dca72da69de3263a",
      "mark": "drawn"
    },
    "logic": {
      "family_id": "74LVC2G66",
      "logic_family": "74LVC",
      "function_code": "2G66",
      "function_class": "AnalogSwitch",
      "function_name": "2-gate variant of Bilateral Analog Switch (66)",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
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        "file": "sn74lvc2g66dcur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.0,
          0.85
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvc2g66dcur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2.0,
          0.85
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "318c678867e6627a04f8aa268c9218971fa1ee05a17ee6d53544cad204cbb612",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8-0.5mm",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
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  "discovery_triggers": [
    "sn74lvc2g66dcur"
  ],
  "discovery_pitch": "SN74LVC2G66DCUR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "sn74lvc2g66dcur.kicad_sym",
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    "sn74lvc2g66dcur.lbr",
    "docs/hero.png",
    "docs/sn74lvc2g66dcur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
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  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74LVC2G66DCUR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC2G66DCURDCT",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC2G66DCURDCTR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC2G66DCURYZP",
      "kind": "packaging"
    },
    {
      "mpn": "SN74LVC2G66DCURYZPR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:45:44.842Z"
}