AT24C256CDRG

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c256cdrg",
  "title": "AT24C256CDRG",
  "brief": "HANSCHIP semiconductor EEPROM, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c256cdrg"
  ],
  "component": {
    "mpn": "AT24C256CDRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312291742_HANSCHIP-semiconductor-AT24C256CDRG_C19723712.pdf",
    "parts": {
      "symbol": "at24c256cdrg.kicad_sym",
      "footprint": "at24c256cdrg.kicad_mod",
      "model_3d": "at24c256cdrg-etched.glb",
      "model_3d_plain": "at24c256cdrg.glb",
      "model_3d_step": "at24c256cdrg-etched.step",
      "model_3d_step_plain": "at24c256cdrg.step",
      "lbr": "at24c256cdrg.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "E0",
        "type": "input",
        "description": "Device Address Input bit 0. Hard-wired to VCC or GND to set the least-significant bit of the I2C 7-bit slave address, allowing up to eight devices on the same bus."
      },
      {
        "number": "2",
        "name": "E1",
        "type": "input",
        "description": "Device Address Input bit 1. Hard-wired to VCC or GND to set an address bit of the I2C 7-bit slave address."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Device Address Input bit 2. Hard-wired to VCC or GND to set an address bit of the I2C 7-bit slave address."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Must be connected to system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data. Open-drain bidirectional I2C data line used to serially transfer data to and from the device. Requires an external pull-up resistor to VCC. Includes Schmitt-trigger and spike suppression filtering."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock. Master-driven clock input used to control the flow of data. Data on SDA is latched on the rising edge and clocked out on the falling edge of SCL. Supports 400 kHz and 1 MHz operation."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write Protect. When tied to VCC the entire memory array (and Identification Page) becomes read-only; when tied to GND or left floating, write operations are enabled. Driving WP high during a write causes data bytes not to be acknowledged."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device Power Supply. Operating range 1.7 V to 5.5 V. Operations at invalid VCC voltages may produce spurious results and should not be attempted."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2312291742_HANSCHIP-semiconductor-AT24C256CDRG_C19723712.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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HANSCHIP semiconductor",
      "Package": "SOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c256cdrg"
  ],
  "discovery_pitch": "AT24C256CDRG (HANSCHIP semiconductor) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c256cdrg.kicad_sym",
    "at24c256cdrg.kicad_mod",
    "at24c256cdrg.glb",
    "at24c256cdrg.step",
    "at24c256cdrg-etched.step",
    "at24c256cdrg.lbr",
    "docs/hero.png",
    "docs/at24c256cdrg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:07:47.607Z"
}