AT24C02CM5

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c02cm5",
  "title": "AT24C02CM5",
  "brief": "HGSEMI EEPROM, SOT23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c02cm5"
  ],
  "component": {
    "mpn": "AT24C02CM5",
    "manufacturer": "HGSEMI",
    "package": "SOT23-5",
    "pin_count": 5,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312251550_HGSEMI-AT24C02CM5-TR_C7432363.pdf",
    "parts": {
      "symbol": "at24c02cm5.kicad_sym",
      "footprint": "at24c02cm5.kicad_mod",
      "model_3d": "at24c02cm5-etched.glb",
      "model_3d_plain": "at24c02cm5.glb",
      "model_3d_step": "at24c02cm5-etched.step",
      "model_3d_step_plain": "at24c02cm5.step",
      "lbr": "at24c02cm5.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock input. Provides the clock for the 2-wire I2C-compatible interface; command/input data on SDA is latched on the rising edge of SCL and output data 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. Connect to the system ground."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data. Open-drain bidirectional I/O used to transfer address, command and data bytes to/from the device. Requires an external pull-up resistor to VCC."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7 V to 5.5 V. Bypass with a local decoupling capacitor. Operation at invalid VCC levels may produce spurious results."
      },
      {
        "number": "5",
        "name": "WP",
        "type": "input",
        "description": "Write Protect. When tied to VCC the whole memory array (and Identification Page) becomes read-only; when tied to GND write operations are enabled. If left floating the pin is internally pulled down to GND. When driven high, device/word address bytes are still ACKed but data bytes are not."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312251550_HGSEMI-AT24C02CM5-TR_C7432363.pdf",
        "pages": 27,
        "sha256": "5143baf87225b7f3",
        "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"
    },
    "models_3d": [
      {
        "file": "at24c02cm5.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": "at24c02cm5-etched.step",
        "role": "eda",
        "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": "52f8982234361cf08eb55bb85613262d7d6af5cbeba72aae258bf809d91d8897",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOT23-5",
      "Category": "Memory",
      "Pins": "5"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c02cm5"
  ],
  "discovery_pitch": "AT24C02CM5 (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c02cm5.kicad_sym",
    "at24c02cm5.kicad_mod",
    "at24c02cm5.glb",
    "at24c02cm5.step",
    "at24c02cm5.lbr",
    "docs/hero.png",
    "docs/at24c02cm5-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c02cm5-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:02:47.193Z"
}