93LC66A-I

{
  "slug": "93lc66a-i",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered Chips, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "93lc66a-i",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "93lc66a-i.kicad_sym",
    "93lc66a-i.kicad_mod",
    "93lc66a-i.glb",
    "93lc66a-i.step",
    "93lc66a-i.lbr",
    "docs/hero.png",
    "docs/93lc66a-i-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "93lc66a-i-hero.glb",
    "93lc66a-i-hero.overlay.json",
    "93lc66a-i-etched.glb"
  ],
  "component": {
    "mpn": "93LC66A-I",
    "manufacturer": "Microchip Tech",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/11fc22cd8657aff0b86142dfe366e604.pdf",
    "parts": {
      "symbol": "93lc66a-i.kicad_sym",
      "footprint": "93lc66a-i.kicad_mod",
      "model_3d": "93lc66a-i-hero.glb",
      "model_3d_plain": "93lc66a-i-etched.glb",
      "model_3d_step": "93lc66a-i-etched.step",
      "model_3d_step_plain": "93lc66a-i.step",
      "lbr": "93lc66a-i.lbr"
    },
    "distributor_links": {
      "lcsc": "C1349080"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T20:13:02Z",
      "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 and a low level deselects it and forces it into Standby mode, with CS low for at least 250 ns (TCSL) between consecutive instructions."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Serial Clock: opcodes, address and data bits are clocked in on the positive edge of CLK, and data bits are clocked out on the positive edge of CLK."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Serial Data Input: clocks in the Start bit, opcode, address and data synchronously with CLK."
      },
      {
        "number": "4",
        "name": "DO",
        "type": "output",
        "description": "Serial Data Output: outputs read data synchronously with CLK (TPD after the positive edge of CLK) and also provides Ready/Busy status during erase and write cycles when CS is brought high after TCSL."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "ORG/NC",
        "type": "unconnected",
        "description": "No internal connection on the 93XX66A/B devices, so for the 93LC66A this pin is not connected (ORG function applies only to the 66C version)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; the 93LC66A is specified for 2.5V-5.5V, and VCC must be at least 4.5V for proper operation of the WRAL instruction."
      }
    ],
    "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: Table 3-1 lists pin 6 as 'ORG/NC'. The ORG function applies only to the 93XX66C; the 93LC66A is a NC; The 2.5V-5.5V range is from the Device Selection Table on page 1. The 4.5V minimum applies only to t"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0923,
        "at": "2026-10-28T20:12:55"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/11fc22cd8657aff0b86142dfe366e604.pdf",
        "pages": 43,
        "sha256": "04494d6624e9f111",
        "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": "93lc66a-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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "93lc66a-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": "6e65fa9e84a6d3ef1ced0d53003e006d0a4e4868725f4910cb88ea736b476f26",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "P",
      "source_page": 25,
      "D": {
        "nom_mm": 9.271,
        "range_mm": [
          8.839,
          10.16
        ]
      },
      "E1": {
        "nom_mm": 6.35,
        "range_mm": [
          6.096,
          7.112
        ]
      },
      "E": {
        "nom_mm": 7.874,
        "range_mm": [
          7.366,
          8.255
        ]
      },
      "e": {
        "nom_mm": 2.54,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 5.334,
        "range_mm": [
          null,
          5.334
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "93lc66a-i.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}