AT25640B-XHL-B

{
  "slug": "at25640b-xhl-b",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Pre-ordered Chips, TSSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "at25640b-xhl-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at25640b-xhl-b.kicad_sym",
    "at25640b-xhl-b.kicad_mod",
    "at25640b-xhl-b.glb",
    "at25640b-xhl-b.step",
    "at25640b-xhl-b.lbr",
    "docs/hero.png",
    "docs/at25640b-xhl-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at25640b-xhl-b-hero.glb",
    "at25640b-xhl-b-hero.overlay.json",
    "at25640b-xhl-b-etched.glb"
  ],
  "component": {
    "mpn": "AT25640B-XHL-B",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5fa5147270b33bb777c859e9adc89826.pdf",
    "parts": {
      "symbol": "at25640b-xhl-b.kicad_sym",
      "footprint": "at25640b-xhl-b.kicad_mod",
      "model_3d": "at25640b-xhl-b-hero.glb",
      "model_3d_plain": "at25640b-xhl-b-etched.glb",
      "model_3d_step": "at25640b-xhl-b-etched.step",
      "model_3d_step_plain": "at25640b-xhl-b.step",
      "lbr": "at25640b-xhl-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1350515",
      "digikey": "AT25640B-XHL-B-ND",
      "mouser": "556-AT25640B-XHL-B"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:38:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT25640B-XHL-B-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT25640B-XHL-B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select: the device is selected when CS is low, and when it is not selected SI is not accepted and SO stays high-impedance."
      },
      {
        "number": "2",
        "name": "SO",
        "type": "tri_state",
        "description": "Serial Data Output: 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: allows normal read/write when held high, and when held low with WPEN set to one all status register writes are inhibited."
      },
      {
        "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 accepted only while the device is selected, and inputs are ignored while SO is in the high-impedance state during HOLD."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial Data Clock: always an input, which makes the device operate as a slave; the device is specified up to 20 MHz at 5.0 V."
      },
      {
        "number": "7",
        "name": "HOLD",
        "type": "input",
        "description": "HOLD: when brought low while SCK is low it pauses serial communication without resetting the sequence, and it resumes when brought high while SCK is low."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, specified from 1.8 V to 5.5 V."
      }
    ],
    "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 pin numbers were taken from the text-extracted layout of the 8-lead TSSOP top view on page; The datasheet does not give a KiCad class for SO; tri_state was chosen because SO is specified as hi"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0827,
        "at": "2026-11-06T00:37:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5fa5147270b33bb777c859e9adc89826.pdf",
        "pages": 23,
        "sha256": "6eb63f39b2e61b60",
        "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": "at25640b-xhl-b.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "2299fb3b85d686800712b24f5411cd4896ad7de29f3aab656d6dc1006211629b",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at25640b-xhl-b-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          3.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "40946168b0f0f7a1ceee09ffc53c9a2d55f73623565ed33f7b81c790915b5dbc",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "8X",
      "source_page": 18,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "at25640b-xhl-b.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}