AT24C64D-XHM-B

{
  "slug": "at24c64d-xhm-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",
    "at24c64d-xhm-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c64d-xhm-b.kicad_sym",
    "at24c64d-xhm-b.kicad_mod",
    "at24c64d-xhm-b.glb",
    "at24c64d-xhm-b.step",
    "at24c64d-xhm-b.lbr",
    "docs/hero.png",
    "docs/at24c64d-xhm-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c64d-xhm-b-hero.glb",
    "at24c64d-xhm-b-hero.overlay.json",
    "at24c64d-xhm-b-etched.glb"
  ],
  "component": {
    "mpn": "AT24C64D-XHM-B",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/2a2858fc5b1241081dedef7326c3026d.pdf",
    "parts": {
      "symbol": "at24c64d-xhm-b.kicad_sym",
      "footprint": "at24c64d-xhm-b.kicad_mod",
      "model_3d": "at24c64d-xhm-b-hero.glb",
      "model_3d_plain": "at24c64d-xhm-b-etched.glb",
      "model_3d_step": "at24c64d-xhm-b-etched.step",
      "model_3d_step_plain": "at24c64d-xhm-b.step",
      "lbr": "at24c64d-xhm-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1349827",
      "digikey": "AT24C64D-XHM-B-ND",
      "mouser": "556-AT24C64D-XHM-B"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:16:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24C64D-XHM-B-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT24C64D-XHM-B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC; if left floating it is internally pulled down, and Microchip recommends connecting it to a known state with any pull-up resistor of 10 kΩ or less."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC; if left floating it is internally pulled down, and Microchip recommends connecting it to a known state with any pull-up resistor of 10 kΩ or less."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address input hard-wired to GND or VCC; if left floating it is internally pulled down, and Microchip recommends connecting it to a known state with any pull-up resistor of 10 kΩ or less."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply, which should be connected to the system ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain serial data input/output that must be pulled high with an external pull-up resistor not exceeding 10 kΩ and may be wire-ORed with other open-drain devices on the bus."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that latches SDA input data on its rising edge and clocks SDA output data on its falling edge, and must be forced high or pulled high when the bus is idle."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input: connected to GND allows normal writes, connected to VCC inhibits writes to the full array, and if left floating it is internally pulled down to GND."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply pin; operation at invalid VCC voltages may produce spurious results and should not be attempted, with the device specified from 1.7V 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 8-Lead TSSOP pin mapping is taken from Table 2-1 (page 5) and applies to the TSSOP package (pack"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0522,
        "at": "2026-11-06T00:16:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/2a2858fc5b1241081dedef7326c3026d.pdf",
        "pages": 39,
        "sha256": "d9d32bb1ea089470",
        "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": "at24c64d-xhm-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": "at24c64d-xhm-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": "e711f053e463af9210c64729512a62ae5a2f0258cb30ee7835d1a4bc7b60b21b",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "ST",
      "source_page": 27,
      "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": "at24c64d-xhm-b.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}