AT24C64M

{
  "slug": "at24c64m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at24c64m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c64m.kicad_sym",
    "at24c64m.kicad_mod",
    "at24c64m.glb",
    "at24c64m.step",
    "at24c64m.lbr",
    "docs/hero.png",
    "docs/at24c64m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c64m-hero.glb",
    "at24c64m-hero.overlay.json",
    "at24c64m-etched.glb"
  ],
  "component": {
    "mpn": "AT24C64M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b142147a76e6511afd5f0afc5fea81ad.pdf",
    "parts": {
      "symbol": "at24c64m.kicad_sym",
      "footprint": "at24c64m.kicad_mod",
      "model_3d": "at24c64m-hero.glb",
      "model_3d_plain": "at24c64m-etched.glb",
      "model_3d_step": "at24c64m-etched.step",
      "model_3d_step_plain": "at24c64m.step",
      "lbr": "at24c64m.lbr"
    },
    "distributor_links": {
      "lcsc": "C434512"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:46:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 924 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input hard wired to set the device address, allowing eight 32K/64K devices on a single bus."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input hard wired to set the device address, allowing eight 32K/64K devices on a single bus."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address input hard wired to set the device address, allowing eight 32K/64K devices on a single bus."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Bidirectional open-drain serial data pin that may be wire-ORed with other open-drain or open-collector devices and needs an external pull-up."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that clocks data into the EEPROM on the positive edge and out on the negative edge."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write protect input: connected to GND allows normal read/write, connected to VCC protects the full array."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 1.8V to 5.5V operating range."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet text says AT24C32/64 share one SOP-8/DIP-8/MSOP-8 pinout drawing; the AT24C64M/TR is the S",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 16,
        "cost_usd": 0.3099,
        "at": "2026-10-22T22:46:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b142147a76e6511afd5f0afc5fea81ad.pdf",
        "pages": 16,
        "sha256": "0af9bbd02b871638",
        "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": "at24c64m.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c64m-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": "af7f9048c5aad3768547d53ead6ead1788e1969079ce11ac3e34aad49a560513",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}