AT24C256CDGKRG

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c256cdgkrg",
  "title": "AT24C256CDGKRG",
  "brief": "HANSCHIP semiconductor EEPROM, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c256cdgkrg"
  ],
  "component": {
    "mpn": "AT24C256CDGKRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c24641cd81741d02ebc91b155137832e.pdf",
    "parts": {
      "symbol": "at24c256cdgkrg.kicad_sym",
      "footprint": "at24c256cdgkrg.kicad_mod",
      "model_3d": "at24c256cdgkrg-etched.glb",
      "model_3d_plain": "at24c256cdgkrg.glb",
      "model_3d_step": "at24c256cdgkrg-etched.step",
      "model_3d_step_plain": "at24c256cdgkrg.step",
      "lbr": "at24c256cdgkrg.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "E0",
        "type": "input",
        "description": "Device address input bit 0. Along with E1 and E2, selects the three least-significant bits of the I2C 7-bit slave address, allowing up to eight devices on the same bus. Tie directly to VCC or GND."
      },
      {
        "number": "2",
        "name": "E1",
        "type": "input",
        "description": "Device address input bit 1. Along with E0 and E2, selects the three least-significant bits of the I2C 7-bit slave address. Tie directly to VCC or GND."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Device address input bit 2. Along with E0 and E1, selects the three least-significant bits of the I2C 7-bit slave address. Tie directly to VCC or GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Must be connected to the system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data. Open-drain bidirectional pin used to serially transfer data to and from the device. Requires an external pull-up resistor to VCC."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock. Provides the clock to the device controlling data flow. Command and input data are latched in on the rising edge of SCL; output data are clocked out on the falling edge. Requires an external pull-up resistor to VCC."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write Protection. When tied to VCC the entire memory array becomes write-protected (read-only); when tied to GND or left floating, write operations are enabled. Driving WP high causes data bytes to not be acknowledged."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7V to 5.5V. Provides the source voltage to the device; operation at invalid VCC voltages may produce spurious results."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c24641cd81741d02ebc91b155137832e.pdf",
        "pages": 25,
        "sha256": "15b5ab05a811009e",
        "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": "at24c256cdgkrg.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c256cdgkrg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "053513e12295980661968a6ad23145eab59306be51d37bbba66e034afbc0eb3e",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "MSOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "AT24C256CDGKRG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C256CDGKRGPG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C256CDGKRGDRG",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C256CDGKRGDRG4",
      "kind": "packaging"
    },
    {
      "mpn": "AT24C256CDGKRGPWRG",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c256cdgkrg"
  ],
  "discovery_pitch": "AT24C256CDGKRG (HANSCHIP semiconductor) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c256cdgkrg.kicad_sym",
    "at24c256cdgkrg.kicad_mod",
    "at24c256cdgkrg.glb",
    "at24c256cdgkrg.step",
    "at24c256cdgkrg.lbr",
    "docs/hero.png",
    "docs/at24c256cdgkrg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:07:39.469Z"
}