AT25040B-SSHL-T

{
  "slug": "at25040b-sshl-t",
  "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",
    "at25040b-sshl-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at25040b-sshl-t.kicad_sym",
    "at25040b-sshl-t.kicad_mod",
    "at25040b-sshl-t.glb",
    "at25040b-sshl-t.step",
    "at25040b-sshl-t.lbr",
    "docs/hero.png",
    "docs/at25040b-sshl-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at25040b-sshl-t-hero.glb",
    "at25040b-sshl-t-hero.overlay.json",
    "at25040b-sshl-t-etched.glb"
  ],
  "component": {
    "mpn": "AT25040B-SSHL-T",
    "manufacturer": "Microchip Tech",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/b82de1402dab4ac785554560c4e3d6c8.pdf",
    "parts": {
      "symbol": "at25040b-sshl-t.kicad_sym",
      "footprint": "at25040b-sshl-t.kicad_mod",
      "model_3d": "at25040b-sshl-t-hero.glb",
      "model_3d_plain": "at25040b-sshl-t-etched.glb",
      "model_3d_step": "at25040b-sshl-t-etched.step",
      "model_3d_step_plain": "at25040b-sshl-t.step",
      "lbr": "at25040b-sshl-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C111443",
      "digikey": "AT25040B-SSHL-TTR-ND",
      "mouser": "556-AT25040B-SSHL-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T16:35:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT25040B-SSHL-TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-AT25040B-SSHL-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select: the device is selected when CS is low, and SO stays in high impedance while the device is not selected."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "output",
        "description": "Serial Data Output, which remains in a high-impedance state when the device is not selected or after an invalid opcode."
      },
      {
        "number": "3",
        "name": "WP",
        "type": "input",
        "description": "Write Protect: when brought low, all write operations are inhibited, and WP must be held high during a WREN instruction."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial Data Input, which is ignored while SO is in the high-impedance state."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial Data Clock, which is always an input and sets the serial interface timing (up to 20MHz at 5V)."
      },
      {
        "number": "7",
        "name": "HOLD",
        "type": "input",
        "description": "Suspends serial communication when brought low while SCK is low, without resetting the serial sequence."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, specified from 1.8V 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 SOIC pin numbers were inferred from the interleaved text layout of the page 2 package drawing (n"
        ],
        "pages_sent": 23,
        "cost_usd": 0.022,
        "at": "2026-10-28T16:35:12"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/b82de1402dab4ac785554560c4e3d6c8.pdf",
        "pages": 23,
        "sha256": "4783c65c38abe35e",
        "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": "at25040b-sshl-t.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at25040b-sshl-t-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": "fb92993f33dc1d3b48283847a2d138e534a6f9a75efbb4b2eb4b92b617371d88",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}