at24c08n

{
  "slug": "at24c08n",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI EEPROM, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at24c08n"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c08n.kicad_sym",
    "at24c08n.kicad_mod",
    "at24c08n.glb",
    "at24c08n.step",
    "at24c08n.lbr",
    "docs/hero.png",
    "docs/at24c08n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c08n-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "AT24C08N",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "EEPROM",
    "parts": {
      "symbol": "at24c08n.kicad_sym",
      "footprint": "at24c08n.kicad_mod",
      "model_3d": "at24c08n-etched.glb",
      "model_3d_plain": "at24c08n.glb",
      "model_3d_step": "at24c08n-etched.step",
      "model_3d_step_plain": "at24c08n.step",
      "lbr": "at24c08n.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Not internally bonded; leave floating or optionally tie to Vss."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Not internally bonded; leave floating or optionally tie to Vss."
      },
      {
        "number": "3",
        "name": "E2",
        "type": "input",
        "description": "Slave address select input for AT24C08 (bit E2 of the I2C device address, allowing up to 2 devices on one bus). Internally pulled down to Vss if left floating, forcing the corresponding address bit to 0. Logic levels: VIL <= 0.3*VCC, VIH >= 0.7*VCC."
      },
      {
        "number": "4",
        "name": "Vss",
        "type": "power_in",
        "description": "Ground reference for VCC supply."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output. Open-drain; requires an external pull-up resistor to VCC (typical 1.3 kOhm at 2.5-5.5 V, 10 kOhm at 1.7 V). Wire-OR compatible with other open-drain devices; VOL <= 0.4 V at IOL = 2.1 mA (VCC = 3.0 V)."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Data clocked in on positive edge and out on negative edge. Supports up to 400 kHz (Fast Mode) or 1 MHz (Fast Mode Plus) across 1.7-5.5 V. Schmitt-triggered with noise-suppression filter (tI = 100 ns at 400 kHz)."
      },
      {
        "number": "7",
        "name": "WCB",
        "type": "input",
        "description": "Write control (active-low enable). Tie to Vss (or leave floating - internally pulled down to Vss) to allow normal write operations; tie to VCC to inhibit all write operations to the memory array. Provides hardware write protection."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, 1.7 V to 5.5 V. Typical standby current 0.5-1.0 uA; read current 0.2 mA and write current 0.8 mA typical at 400 kHz. Absolute maximum 6.5 V."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C434604",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:53:15Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "at24c08n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c08n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "848399e077efd5d38d2855745af9aa6584a8ab69deb9f21d2c51d5bc70552705",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}