AT24C02M

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c02m",
  "title": "AT24C02M",
  "brief": "HGSEMI EEPROM, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c02m"
  ],
  "component": {
    "mpn": "AT24C02M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a749b18286872855c84fbb73b6066c06.pdf",
    "parts": {
      "symbol": "at24c02m.kicad_sym",
      "footprint": "at24c02m.kicad_mod",
      "model_3d": "at24c02m-etched.glb",
      "model_3d_plain": "at24c02m.glb",
      "model_3d_step": "at24c02m-etched.step",
      "model_3d_step_plain": "at24c02m.step",
      "lbr": "at24c02m.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "E0",
        "type": "input",
        "description": "Device slave address input bit 0. Hardware addressing pin allowing up to 8 devices on one I2C bus. Internally pulled down to Vss if left floating. Schmitt-trigger input."
      },
      {
        "number": "2",
        "name": "E1",
        "type": "input",
        "description": "Device slave address input bit 1. Hardware addressing pin allowing up to 8 devices on one I2C bus. Internally pulled down to Vss if left floating."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Device slave address input bit 2. Hardware addressing pin allowing up to 8 devices on one I2C bus. Internally pulled down to Vss if left floating."
      },
      {
        "number": "4",
        "name": "Vss",
        "type": "power_in",
        "description": "Ground reference for the Vcc supply voltage."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output. Open-drain, can be wire-OR'ed with other open-drain/open-collector devices. Requires an external pull-up resistor. Input capacitance 8 pF max."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Positive edge clocks data in, negative edge clocks data out. Supports up to 400 kHz (standard AC table) and 1 MHz per features summary. Schmitt-trigger, noise-filtered input."
      },
      {
        "number": "7",
        "name": "WCB",
        "type": "input",
        "description": "Write Control (active low). Tie to Vcc to inhibit all write operations to the memory; tie to Vss for normal write operation. Internally pulled down to Vss if left floating."
      },
      {
        "number": "8",
        "name": "Vcc",
        "type": "power_in",
        "description": "Positive supply voltage input, 1.7 V to 5.5 V. Read current 0.2 mA typ @ 400 kHz; write current 0.8 mA typ. Standby current 1 uA typ at Vcc=3.3V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a749b18286872855c84fbb73b6066c06.pdf",
        "pages": 18,
        "sha256": "14a1ed1066ebdfb3",
        "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": "at24c02m.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c02m-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": "29686f5573f0cb8424ce0e0c214d9e25d8c6eca83211a4330c1e809df0981e87",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c02m"
  ],
  "discovery_pitch": "AT24C02M (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c02m.kicad_sym",
    "at24c02m.kicad_mod",
    "at24c02m.glb",
    "at24c02m.step",
    "at24c02m.lbr",
    "docs/hero.png",
    "docs/at24c02m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c02m-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:03:31.822Z"
}