main
Ray at24c02cdbvrg: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC bo… a12f75e
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  "type": "component",
  "slug": "at24c02cdbvrg",
  "title": "AT24C02CDBVRG",
  "brief": "HANSCHIP semiconductor EEPROM, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
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    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403280210_HANSCHIP-semiconductor-AT24C02CDBVRG_C19723706.pdf",
    "parts": {
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      "model_3d_plain": "at24c02cdbvrg.glb",
      "model_3d_step": "at24c02cdbvrg-etched.step",
      "model_3d_step_plain": "at24c02cdbvrg.step",
      "lbr": "at24c02cdbvrg.lbr"
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    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock input for the 2-wire (I2C-compatible) bus. Command and input data on SDA are latched on the rising edge of SCL, while output data on SDA is clocked out on the falling edge. Schmitt-trigger, filtered input."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Must be connected to system ground."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data bidirectional pin for the 2-wire (I2C-compatible) bus. Open-drain output that requires an external pull-up resistor to VCC. Schmitt-trigger, filtered input."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7V to 5.5V. Operations at invalid VCC voltages may produce spurious results. Bypass with a decoupling capacitor to GND."
      },
      {
        "number": "5",
        "name": "WP",
        "type": "input",
        "description": "Write Protection input. When tied to VCC, the entire memory array becomes write-protected (device is read-only). When tied to GND, write operations are enabled. Internally pulled down to GND if left floating."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403280210_HANSCHIP-semiconductor-AT24C02CDBVRG_C19723706.pdf",
        "pages": 27,
        "sha256": "30146010ee8ac6eb",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-07",
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        "role": "eda",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "sha256": "b861e7f790c504c07bc86c4cbbb5a3a7808442b60d7d6246019c32a2e75c04a5",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "SOT-23-5",
      "Category": "Memory",
      "Pins": "5"
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  },
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      "mpn": "AT24C02CDBVRG",
      "kind": "packaging"
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    {
      "mpn": "AT24C02CDBVRGCPG",
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    {
      "mpn": "AT24C02CDBVRGCDRG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C02CDBVRGCDRG4",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C02CDBVRGCDGKRG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C02CDBVRGCPWRG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C02CDBVRGCRG",
      "kind": "packaging"
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  "discovery_triggers": [
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  "discovery_pitch": "AT24C02CDBVRG (HANSCHIP semiconductor) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
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  "dependencies": {},
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  "files": [
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    "at24c02cdbvrg.step",
    "at24c02cdbvrg.lbr",
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  "visibility": {
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  "updated_at": "2026-09-24T17:02:27.652Z"
}