AT93C66N

{
  "slug": "at93c66n",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI EEPROM, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at93c66n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at93c66n.kicad_sym",
    "at93c66n.kicad_mod",
    "at93c66n.glb",
    "at93c66n.step",
    "at93c66n.lbr",
    "docs/hero.png",
    "docs/at93c66n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at93c66n-hero.glb",
    "at93c66n-hero.overlay.json",
    "at93c66n-etched.glb"
  ],
  "component": {
    "mpn": "AT93C66N",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756372573011615744",
    "parts": {
      "symbol": "at93c66n.kicad_sym",
      "footprint": "at93c66n.kicad_mod",
      "model_3d": "at93c66n-hero.glb",
      "model_3d_plain": "at93c66n-etched.glb",
      "model_3d_step": "at93c66n-etched.step",
      "model_3d_step_plain": "at93c66n.step",
      "lbr": "at93c66n.lbr"
    },
    "distributor_links": {
      "lcsc": "C434597"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:53:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select; must be pulled high before issuing a command, and pulled low for a minimum of 250 ns (tCS) before Ready/Busy polling."
      },
      {
        "number": "2",
        "name": "SK",
        "type": "input",
        "description": "Serial Data Clock used with DI to clock instructions and data, up to 2 MHz at 4.5V to 5.5V."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Serial Data Input for the start bit, op code, address and data bits."
      },
      {
        "number": "4",
        "name": "DO",
        "type": "tri_state",
        "description": "Serial Data Output for read data and Ready/Busy status, going high impedance when CS is low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "ORG",
        "type": "input",
        "description": "Internal Organization select: connected to Vcc selects x16 mode, grounded selects x8 mode."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No Connect."
      },
      {
        "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 15,
        "cost_usd": 0.3053,
        "at": "2026-10-18T15:50:52"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756372573011615744",
        "pages": 15,
        "sha256": "2c0eab4bbc7b6f6e",
        "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": "at93c66n.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": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at93c66n-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": 0.0,
        "footprint_binding": "identity",
        "sha256": "ea327b91ddd44b900a5ac9fabdd88a6a7739458578f0375b8f8a025b3b6ce957",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}