main
Ray at24c512cm: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… df2a354
{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c512cm",
  "title": "AT24C512CM",
  "brief": "HGSEMI 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",
    "at24c512cm"
  ],
  "component": {
    "mpn": "AT24C512CM",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403291800_HGSEMI-AT24C512CM-TR_C19193470.pdf",
    "parts": {
      "symbol": "at24c512cm.kicad_sym",
      "footprint": "at24c512cm.kicad_mod",
      "model_3d": "at24c512cm-etched.glb",
      "model_3d_plain": "at24c512cm.glb",
      "model_3d_step": "at24c512cm-etched.step",
      "model_3d_step_plain": "at24c512cm.step",
      "lbr": "at24c512cm.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 software-selectable slave address bit A0, allowing up to 8 devices on one I2C bus. Internally pulled down to GND if left floating."
      },
      {
        "number": "2",
        "name": "E1",
        "type": "input",
        "description": "Device address input bit 1. Hard-wired to VCC or GND to set slave-address bit A1. Internally pulled down to GND if left floating."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Device address input bit 2. Hard-wired to VCC or GND to set slave-address bit A2. Internally pulled down to GND if left floating."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Must be tied to the system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data. Open-drain bidirectional I2C data line used to transfer address and data serially to and from the device. Requires an external pull-up resistor to VCC."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock. I2C clock input; command and input data on SDA are latched on the rising edge, output data on SDA is clocked out on the falling edge. Includes Schmitt trigger and spike-suppression filter."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write Protect. Tie to VCC to make the entire memory array read-only (device address byte and word address bytes still acknowledged, data bytes NACKed). Tie to GND or leave floating to enable write operations."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7V to 5.5V. Operations at invalid VCC voltages may produce spurious results."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403291800_HGSEMI-AT24C512CM-TR_C19193470.pdf",
        "pages": 26,
        "sha256": "9b5af03846a21237",
        "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": "at24c512cm.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": "at24c512cm-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": "e9bfcf2671684e42c561c9cab267d8867543512d3ae8102a7873dd507e5d8960",
        "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": [
    "at24c512cm"
  ],
  "discovery_pitch": "AT24C512CM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c512cm.kicad_sym",
    "at24c512cm.kicad_mod",
    "at24c512cm.glb",
    "at24c512cm.step",
    "at24c512cm-etched.step",
    "at24c512cm.lbr",
    "docs/hero.png",
    "docs/at24c512cm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:09:10.826Z"
}