AT24C32D-XHM-B

{
  "slug": "at24c32d-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",
    "at24c32d-xhm-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c32d-xhm-b.kicad_sym",
    "at24c32d-xhm-b.kicad_mod",
    "at24c32d-xhm-b.glb",
    "at24c32d-xhm-b.step",
    "at24c32d-xhm-b.lbr",
    "docs/hero.png",
    "docs/at24c32d-xhm-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c32d-xhm-b-hero.glb",
    "at24c32d-xhm-b-hero.overlay.json",
    "at24c32d-xhm-b-etched.glb"
  ],
  "component": {
    "mpn": "AT24C32D-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/0a713661e553eaf5b93c7ae95f83a21c.pdf",
    "parts": {
      "symbol": "at24c32d-xhm-b.kicad_sym",
      "footprint": "at24c32d-xhm-b.kicad_mod",
      "model_3d": "at24c32d-xhm-b-hero.glb",
      "model_3d_plain": "at24c32d-xhm-b-etched.glb",
      "model_3d_step": "at24c32d-xhm-b-etched.step",
      "model_3d_step_plain": "at24c32d-xhm-b.step",
      "lbr": "at24c32d-xhm-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1353500",
      "digikey": "AT24C32D-XHM-B-ND",
      "mouser": "556-AT24C32D-XHM-B"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T10:21:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24C32D-XHM-B-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT24C32D-XHM-B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Hard-wired device address input that must be tied to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends a known state with any pull-up resistor 10 kΩ or less."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Hard-wired device address input that must be tied to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends a known state with any pull-up resistor 10 kΩ or less."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Hard-wired device address input that must be tied to GND or VCC; if left floating it is internally pulled down to GND, and Microchip recommends a known state with any pull-up resistor 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; it must be forced high when the bus is idle or pulled high with an external pull-up resistor."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input: connected to GND allows normal write operations, while connected to VCC inhibits writes to the full array; if floating it is internally pulled down to GND."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supplies the device source voltage over the stated 1.7 V to 5.5 V range; operation at invalid VCC voltages may produce spurious results and should not be attempted."
      }
    ],
    "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 ordering table on page 38 lists the TSSOP variant only as AT24C32D-XHM-T (tape and reel). The -B"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0604,
        "at": "2026-10-23T10:21:47"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0a713661e553eaf5b93c7ae95f83a21c.pdf",
        "pages": 41,
        "sha256": "68bd4a84ddf57535",
        "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": "at24c32d-xhm-b.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c32d-xhm-b-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": "52a19c25d6e4a921beae14e514b49fe13f274131cfbcef8f2dbb46def565490c",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}