AT24C16M

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c16m",
  "title": "AT24C16M",
  "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",
    "at24c16m"
  ],
  "component": {
    "mpn": "AT24C16M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/84040858f227a3f11fb9d22e5e19e099.pdf",
    "parts": {
      "symbol": "at24c16m.kicad_sym",
      "footprint": "at24c16m.kicad_mod",
      "model_3d": "at24c16m-etched.glb",
      "model_3d_plain": "at24c16m.glb",
      "model_3d_step": "at24c16m-etched.step",
      "model_3d_step_plain": "at24c16m.step",
      "lbr": "at24c16m.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any potential; the pin has no function in the 24C16 variant."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to any potential; the pin has no function in the 24C16 variant."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection on the 24C16 (this pin is E2 slave-address input on the 24C08 variant only)."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the VCC supply. Connect to the system 0 V rail."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output. Open-drain output; requires an external pull-up resistor to VCC and may be wire-ORed with other open-drain devices on the bus. VOL = 0.2 V at IOL = 0.15 mA (VCC = 1.7 V) or 0.4 V at IOL = 2.1 mA (VCC = 3.0 V)."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Positive-edge clocks data in, negative-edge clocks data out. Schmitt-trigger, noise-filtered input; requires external pull-up per I2C bus specification. Supports up to 400 kHz (1.7-5.5 V) or 1 MHz."
      },
      {
        "number": "7",
        "name": "WCB",
        "type": "input",
        "description": "Write Control input, active-low enable for write operations. Tie to VCC to inhibit all writes to the memory array; tie to VSS (or leave floating - internal pull-down to VSS) to allow normal writes."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 1.7 V to 5.5 V. Standby current typ 0.5-1.0 uA; read current typ 0.2 mA; write current typ 0.8 mA at 400 kHz."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/84040858f227a3f11fb9d22e5e19e099.pdf",
        "pages": 21,
        "sha256": "3e86ae75d43fb087",
        "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": "at24c16m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c16m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6e46a19190edf506f476f149686cbc4cc6dd8ad40c691422c226ba01b282925a",
        "checked": "2026-10-07",
        "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": [
    "at24c16m"
  ],
  "discovery_pitch": "AT24C16M (HGSEMI) 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",
    "at24c16m.kicad_sym",
    "at24c16m.kicad_mod",
    "at24c16m.glb",
    "at24c16m.step",
    "at24c16m.lbr",
    "docs/hero.png",
    "docs/at24c16m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c16m-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:07:22.807Z"
}