24LC256-I

{
  "slug": "24lc256-i",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech EEPROM, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "24lc256-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "24lc256-i.kicad_sym",
    "24lc256-i.kicad_mod",
    "24lc256-i.glb",
    "24lc256-i.step",
    "24lc256-i.lbr",
    "docs/hero.png",
    "docs/24lc256-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "24lc256-i-hero.glb",
    "24lc256-i-hero.overlay.json",
    "24lc256-i-etched.glb"
  ],
  "component": {
    "mpn": "24LC256-I",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883818153988096",
    "parts": {
      "symbol": "24lc256-i.kicad_sym",
      "footprint": "24lc256-i.kicad_mod",
      "model_3d": "24lc256-i-hero.glb",
      "model_3d_plain": "24lc256-i-etched.glb",
      "model_3d_step": "24lc256-i-etched.step",
      "model_3d_step_plain": "24lc256-i.step",
      "lbr": "24lc256-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C411625"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T06:02:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Chip address input used for multiple-device selection; it must be connected to either VCC or VSS."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Chip address input used for multiple-device selection; it must be connected to either VCC or VSS."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Chip address input used for multiple-device selection; it must be connected to either VCC or VSS."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain serial address/data I/O that requires a pull-up resistor to VCC (typically 10 kΩ for 100 kHz, 2 kΩ for 400 kHz and 1 MHz), and may change only while SCL is low."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that synchronizes data transfer to and from the device."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input that must be tied to VSS (writes enabled) or VCC (writes inhibited, reads unaffected)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; the 24LC256 operates from 2.5V to 5.5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN 24LC256-I carries no package suffix in the datasheet. The SOIC pinout was taken from the SOI; The VCC pin description cites the 24LC256 voltage range (2.5V-5.5V) from the Device Selection Table "
        ],
        "pages_sent": 18,
        "cost_usd": 0.056,
        "at": "2026-10-17T06:02:04"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883818153988096",
        "pages": 42,
        "sha256": "54a14079d7ced81f",
        "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": "24lc256-i.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": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "24lc256-i-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": "781c5f2f5ad8e612cc10a1971a783ad1960107fbf7f6936a7514c458887c079b",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}