PCA9306DCUR

{
  "schema_version": 1,
  "type": "component",
  "slug": "pca9306dcur",
  "title": "PCA9306DCUR",
  "brief": "Texas Instruments Translators / Level Shifters, VSSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "pca9306dcur"
  ],
  "component": {
    "mpn": "PCA9306DCUR",
    "manufacturer": "Texas Instruments",
    "package": "VSSOP-8",
    "pin_count": 8,
    "category": "Logic",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/pca9306dcur.pdf",
    "parts": {
      "symbol": "pca9306dcur.kicad_sym",
      "footprint": "pca9306dcur.kicad_mod",
      "model_3d": "pca9306dcur-etched.glb",
      "model_3d_plain": "pca9306dcur.glb",
      "model_3d_step": "pca9306dcur-etched.step",
      "model_3d_step_plain": "pca9306dcur.step",
      "lbr": "pca9306dcur.lbr"
    },
    "distributor_links": {
      "lcsc": "C33196"
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference, 0 V."
      },
      {
        "number": "2",
        "name": "VREF1",
        "type": "power_in",
        "description": "Low-voltage-side reference supply voltage for SCL1 and SDA1. Operating range 1.2 V to 3.3 V (absolute max 7 V)."
      },
      {
        "number": "3",
        "name": "SCL1",
        "type": "bidirectional",
        "description": "Serial clock, low-voltage side. Open-drain I2C clock line referenced to VREF1. Requires external pull-up resistor to VREF1."
      },
      {
        "number": "4",
        "name": "SDA1",
        "type": "bidirectional",
        "description": "Serial data, low-voltage side. Open-drain I2C data line referenced to VREF1. Requires external pull-up resistor."
      },
      {
        "number": "5",
        "name": "SDA2",
        "type": "bidirectional",
        "description": "Serial data, high-voltage side. Open-drain I2C data line referenced to VREF2 side supply. Requires external pull-up resistor."
      },
      {
        "number": "6",
        "name": "SCL2",
        "type": "bidirectional",
        "description": "Serial clock, high-voltage side. Open-drain I2C clock line referenced to VREF2 side supply. Requires external pull-up resistor."
      },
      {
        "number": "7",
        "name": "VREF2",
        "type": "power_in",
        "description": "High-voltage-side reference supply voltage for SCL2 and SDA2. Operating range 1.8 V to 5.5 V (absolute max 7 V)."
      },
      {
        "number": "8",
        "name": "EN",
        "type": "input",
        "description": "Switch enable input. EN high enables the translator (SCL1=SCL2, SDA1=SDA2); EN low disconnects the switches, placing SCL/SDA in high-impedance state. Operating range 0 to 5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/pca9306dcur.pdf",
        "pages": 22,
        "sha256": "ca7a67f9c82d010b",
        "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"
    },
    "models_3d": [
      {
        "file": "pca9306dcur.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2,
          0.85
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "353552981eef35cb93635057d4aeb89aef22648c77af6fd095e328bfe6b834bd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pca9306dcur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.1,
          2,
          0.85
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "013c062da6942670bb3e9cb9cd9d88ef0bca5d967ce1c29bcc8ec1c001530d38",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "VSSOP-8",
      "Category": "Logic",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pca9306dcur"
  ],
  "discovery_pitch": "PCA9306DCUR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pca9306dcur.kicad_sym",
    "pca9306dcur.kicad_mod",
    "pca9306dcur.glb",
    "pca9306dcur.step",
    "pca9306dcur.lbr",
    "docs/hero.png",
    "docs/pca9306dcur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pca9306dcur-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "PCA9306DCUR",
      "kind": "packaging"
    },
    {
      "mpn": "PCA9306DCURDCUT",
      "kind": "packaging"
    },
    {
      "mpn": "PCA9306DCURDCTR",
      "kind": "packaging"
    },
    {
      "mpn": "PCA9306DCURDCTT",
      "kind": "packaging"
    },
    {
      "mpn": "PCA9306DCURDQER",
      "kind": "packaging"
    },
    {
      "mpn": "PCA9306DCURYZTR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T04:07:59.266Z"
}