AT24C08CMM

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c08cmm",
  "title": "AT24C08CMM",
  "brief": "HGSEMI 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",
    "at24c08cmm"
  ],
  "component": {
    "mpn": "AT24C08CMM",
    "manufacturer": "HGSEMI",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e87f7de5927cd9cae961b231e34459d7.pdf",
    "parts": {
      "symbol": "at24c08cmm.kicad_sym",
      "footprint": "at24c08cmm.kicad_mod",
      "model_3d": "at24c08cmm-etched.glb",
      "model_3d_plain": "at24c08cmm.glb",
      "model_3d_step": "at24c08cmm-etched.step",
      "model_3d_step_plain": "at24c08cmm.step",
      "lbr": "at24c08cmm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to any convenient net; no internal connection on the DIP-8/SOP-8/MSOP-8/TSSOP-8 variants."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Leave floating or tie to any convenient net; no internal connection on the DIP-8/SOP-8/MSOP-8/TSSOP-8 variants."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Device address input (A11 slave address bit). Tie to VCC or GND to select one of two device addresses on a shared 2-wire bus (used for compatibility with legacy 2-wire EEPROMs). Internally pulled down to GND if left floating."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Connect to the system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data. Open-drain bidirectional I/O; requires an external pull-up resistor to VCC. Data is latched into the device on the rising edge of SCL and driven out on the falling edge of SCL."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Master-driven clock used to synchronize data transfers on SDA; supports up to 400 kHz standard-mode and 1 MHz high-speed operation."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Hardware write-protect input. Tie to VCC to write-protect the entire memory array and Identification Page (device becomes read-only); tie to GND to enable writes. Internally pulled down to GND if left floating."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7 V to 5.5 V. Bypass to GND with a decoupling capacitor close to the pin. Operating current is 0.5 mA (write) / 0.2 mA (read); standby is 1 μA maximum."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e87f7de5927cd9cae961b231e34459d7.pdf",
        "pages": 25,
        "sha256": "e1c182cb482476f4",
        "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": "at24c08cmm.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": "at24c08cmm-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": "47d6d9ad3cbac2ea77d7e1d144a1ed5ee541f222a2ea6648e7e73dd6bc6cd35f",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "MSOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c08cmm"
  ],
  "discovery_pitch": "AT24C08CMM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c08cmm.kicad_sym",
    "at24c08cmm.kicad_mod",
    "at24c08cmm.glb",
    "at24c08cmm.step",
    "at24c08cmm.lbr",
    "docs/hero.png",
    "docs/at24c08cmm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c08cmm-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:05:17.944Z"
}