CAT24C256WI-GT3-TUDI

{
  "schema_version": 1,
  "type": "component",
  "slug": "cat24c256wi-gt3-tudi",
  "title": "CAT24C256WI-GT3-TUDI",
  "brief": "Tudi EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "cat24c256wi-gt3-tudi",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CAT24C256WI-GT3-TUDI",
    "manufacturer": "Tudi",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/822eee0bb2387ef1d53d0c9489598534.pdf",
    "parts": {
      "symbol": "cat24c256wi-gt3-tudi.kicad_sym",
      "footprint": "cat24c256wi-gt3-tudi.kicad_mod",
      "model_3d": "cat24c256wi-gt3-tudi-hero.glb",
      "model_3d_plain": "cat24c256wi-gt3-tudi-etched.glb",
      "model_3d_step": "cat24c256wi-gt3-tudi-etched.step",
      "model_3d_step_plain": "cat24c256wi-gt3-tudi.step",
      "lbr": "cat24c256wi-gt3-tudi.lbr"
    },
    "distributor_links": {
      "lcsc": "C36533643"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T06:27:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input that selects one of up to 8 devices on the bus, with an on-chip pull-down resistor."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input that selects one of up to 8 devices on the bus, with an on-chip pull-down resistor."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address input that selects one of up to 8 devices on the bus, with an on-chip pull-down resistor."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the supply."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data I/O pin that receives input data and transmits stored data, open drain in transmit mode and pulled up to VCC externally."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that accepts the clock signal generated by the I2C master, with Schmitt trigger and noise suppression filter."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write protect input that inhibits all write operations to the entire memory when pulled HIGH, with an on-chip pull-down resistor."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply pin for a supply voltage range of 1.8 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers come from the shared SOP8/DIP8/TSSOP8 pin diagram on page 2, not from the SOP8 package d",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0836,
        "at": "2026-10-27T06:27:12"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/822eee0bb2387ef1d53d0c9489598534.pdf",
        "pages": 20,
        "sha256": "e5a8dad79433744e",
        "source_tier": "lcsc"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "cat24c256wi-gt3-tudi.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cat24c256wi-gt3-tudi-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "51a4edf50e74c3a34f82935e95ac0fb72d66bedf2e2a388bf8b10dfac1e8043d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Tudi",
      "Package": "SOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cat24c256wi-gt3-tudi"
  ],
  "discovery_pitch": "CAT24C256WI-GT3-TUDI (Tudi) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cat24c256wi-gt3-tudi.kicad_sym",
    "cat24c256wi-gt3-tudi.kicad_mod",
    "cat24c256wi-gt3-tudi.glb",
    "cat24c256wi-gt3-tudi.step",
    "cat24c256wi-gt3-tudi.lbr",
    "docs/hero.png",
    "docs/cat24c256wi-gt3-tudi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cat24c256wi-gt3-tudi-hero.glb",
    "cat24c256wi-gt3-tudi-hero.overlay.json",
    "cat24c256wi-gt3-tudi-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}