AT25640B-XHL-T

{
  "slug": "at25640b-xhl-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech EEPROM, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at25640b-xhl-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at25640b-xhl-t.kicad_sym",
    "at25640b-xhl-t.kicad_mod",
    "at25640b-xhl-t.glb",
    "at25640b-xhl-t.step",
    "at25640b-xhl-t.lbr",
    "docs/hero.png",
    "docs/at25640b-xhl-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at25640b-xhl-t-hero.glb",
    "at25640b-xhl-t-hero.overlay.json",
    "at25640b-xhl-t-etched.glb"
  ],
  "component": {
    "mpn": "AT25640B-XHL-T",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939436898340864",
    "parts": {
      "symbol": "at25640b-xhl-t.kicad_sym",
      "footprint": "at25640b-xhl-t.kicad_mod",
      "model_3d": "at25640b-xhl-t-hero.glb",
      "model_3d_plain": "at25640b-xhl-t-etched.glb",
      "model_3d_step": "at25640b-xhl-t-etched.step",
      "model_3d_step_plain": "at25640b-xhl-t.step",
      "lbr": "at25640b-xhl-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2061021",
      "mouser": "556-AT25640B-XHL-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T22:05:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": "556-AT25640B-XHL-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select: the device is selected when CS is low, and SO stays high-impedance while the device is not selected."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "tri_state",
        "description": "Serial Data Output: SO remains in a high-impedance state when the device is not selected or after an invalid opcode until the next falling edge of CS."
      },
      {
        "number": "3",
        "name": "WP",
        "type": "input",
        "description": "Write Protect: when WP is low and the WPEN bit is one, all writes to the status register are inhibited, and the WP function is blocked when WPEN is zero."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SI",
        "type": "input",
        "description": "Serial Data Input: data is not accepted on SI when the device is not selected, and SI inputs are ignored while SO is high-impedance during HOLD."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial Data Clock: SCK is always an input, so the device operates as a slave; it must be low when HOLD is asserted or released."
      },
      {
        "number": "7",
        "name": "HOLD",
        "type": "input",
        "description": "Suspends serial communication without resetting the sequence: pull low while SCK is low to pause and bring high while SCK is low to resume."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, specified from 1.8 V to 5.5 V over the recommended operating range."
      }
    ],
    "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 TSSOP-8 pin numbers were read from the text layout of the Figure 1-1 pinout drawing on page 2 (p"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0821,
        "at": "2026-10-18T22:05:22"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588939436898340864",
        "pages": 23,
        "sha256": "6eb63f39b2e61b60",
        "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": "at25640b-xhl-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cf28a51742b2e31065e201d1b313207140cbfb49062efd938788f7a310d02738",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at25640b-xhl-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5308a843d6e06fe4b6344cdffedbb363fb2c8fff3cd317b331be224e374cf47c",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}