AT24C128C-XHM-T

{
  "slug": "at24c128c-xhm-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",
    "at24c128c-xhm-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c128c-xhm-t.kicad_sym",
    "at24c128c-xhm-t.kicad_mod",
    "at24c128c-xhm-t.glb",
    "at24c128c-xhm-t.step",
    "at24c128c-xhm-t.lbr",
    "docs/hero.png",
    "docs/at24c128c-xhm-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c128c-xhm-t-hero.glb",
    "at24c128c-xhm-t-hero.overlay.json"
  ],
  "component": {
    "mpn": "AT24C128C-XHM-T",
    "manufacturer": "Microchip Tech",
    "package": "TSSOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918500878929920",
    "parts": {
      "symbol": "at24c128c-xhm-t.kicad_sym",
      "footprint": "at24c128c-xhm-t.kicad_mod",
      "model_3d": "at24c128c-xhm-t-hero.glb",
      "model_3d_plain": "at24c128c-xhm-t.glb",
      "model_3d_step": "at24c128c-xhm-t-etched.step",
      "model_3d_step_plain": "at24c128c-xhm-t.step",
      "lbr": "at24c128c-xhm-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C616767",
      "digikey": "AT24C128C-XHM-TTR-ND",
      "mouser": "556-AT24C128C-XHM-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-09T18:19:27Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24C128C-XHM-TTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "556-AT24C128C-XHM-T",
        "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 to GND, and Microchip recommends tying it to a known state with a pull-up 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 to GND, and Microchip recommends tying it to a known state with a pull-up 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 to GND, and Microchip recommends tying it to a known state with a pull-up 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: SDA data is latched on the rising edge of SCL and clocked out on the falling edge, and SCL must be forced high when the bus is idle or pulled high with an external resistor."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input: connected to GND allows normal write operations, connected to VCC inhibits writes to the full array, and it is internally pulled down to GND if left floating."
      },
      {
        "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."
      }
    ],
    "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: Pin-to-package mapping was confirmed from Table 2-1 (8-Lead TSSOP column) and the ordering table on "
        ],
        "pages_sent": 17,
        "cost_usd": 0.0573,
        "at": "2026-10-09T18:17:20"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588918500878929920",
        "pages": 39,
        "sha256": "d583c8741b257ee2",
        "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": "at24c128c-xhm-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": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c128c-xhm-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": "2ab1d631cb5f7feade414df794cf04a9b006da22385904d4bdba4640051367cf",
        "checked": "2026-10-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}