93LC66-I

{
  "slug": "93lc66-i",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered MCUs, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "93lc66-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "93lc66-i.kicad_sym",
    "93lc66-i.kicad_mod",
    "93lc66-i.glb",
    "93lc66-i.step",
    "93lc66-i.lbr",
    "docs/hero.png",
    "docs/93lc66-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "93lc66-i-hero.glb",
    "93lc66-i-hero.overlay.json",
    "93lc66-i-etched.glb"
  ],
  "component": {
    "mpn": "93LC66-I",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/fd9ebb2abd17fa7ad8c04d7547952d8b.pdf",
    "parts": {
      "symbol": "93lc66-i.kicad_sym",
      "footprint": "93lc66-i.kicad_mod",
      "model_3d": "93lc66-i-hero.glb",
      "model_3d_plain": "93lc66-i-etched.glb",
      "model_3d_step": "93lc66-i-etched.step",
      "model_3d_step_plain": "93lc66-i.step",
      "lbr": "93lc66-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C613889"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T12:04:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select: a high level selects the device, a low level deselects it and forces Standby mode, and CS must be low for at least 250 ns (TCSL) between consecutive instructions."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Serial clock that synchronizes communication; opcode, address and data bits are clocked in and out on the positive edge, with minimum high and low times of 250 ns."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Serial Data Input used to clock in the Start bit, opcode, address and data synchronously with CLK."
      },
      {
        "number": "4",
        "name": "DO",
        "type": "tri_state",
        "description": "Serial Data Output that outputs read data synchronously with CLK (TPD max 400 ns), gives Ready/Busy status during erase/write, and is otherwise High-Z."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "ORG",
        "type": "input",
        "description": "Memory configuration select: tied to VCC selects x16 organization, tied to VSS selects x8, and it may be floated only at clock speeds of 1 MHz or less for x16."
      },
      {
        "number": "7",
        "name": "NU",
        "type": "unconnected",
        "description": "Not Utilized."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, listed in the pin table as +1.8V to 5.5V, while the DC characteristics specify VCC = +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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table (page 10) lists VCC as +1.8V to 5.5V, but the DC/AC characteristics and the features l; The MPN 93LC66-I has no package suffix. The ordering section (page 17) shows 93LC66-I/P as the PDIP ; The datasheet is marked 'Not recommended for new designs' and points to the 93LC46C/56C/66C instead."
        ],
        "pages_sent": 20,
        "cost_usd": 0.1667,
        "at": "2026-10-30T12:04:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/fd9ebb2abd17fa7ad8c04d7547952d8b.pdf",
        "pages": 20,
        "sha256": "4505cc44abc8619f",
        "source_tier": "mfr"
      },
      "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": "93lc66-i.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "93lc66-i-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": "b24ba44b05810fc2f7bc3fcc2cf821a1cc4394036ab111227bca36cbb61b426e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "P",
      "source_page": 12,
      "D": {
        "nom_mm": 9.46,
        "range_mm": [
          9.14,
          9.78
        ]
      },
      "E1": {
        "nom_mm": 6.35,
        "range_mm": [
          6.1,
          6.6
        ]
      },
      "E": {
        "nom_mm": 7.94,
        "range_mm": [
          7.62,
          8.26
        ]
      },
      "e": {
        "nom_mm": 2.54,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 3.94,
        "range_mm": [
          3.56,
          4.32
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "93lc66-i.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}