AT24MAC402-STUM-T

{
  "slug": "at24mac402-stum-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech EEPROM, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at24mac402-stum-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24mac402-stum-t.kicad_sym",
    "at24mac402-stum-t.kicad_mod",
    "at24mac402-stum-t.glb",
    "at24mac402-stum-t.step",
    "at24mac402-stum-t.lbr",
    "docs/hero.png",
    "docs/at24mac402-stum-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24mac402-stum-t-hero.glb",
    "at24mac402-stum-t-hero.overlay.json"
  ],
  "component": {
    "mpn": "AT24MAC402-STUM-T",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4793a194768859a42ee7e601d90388ec.pdf",
    "parts": {
      "symbol": "at24mac402-stum-t.kicad_sym",
      "footprint": "at24mac402-stum-t.kicad_mod",
      "model_3d": "at24mac402-stum-t-hero.glb",
      "model_3d_plain": "at24mac402-stum-t.glb",
      "model_3d_step": "at24mac402-stum-t-etched.step",
      "model_3d_step_plain": "at24mac402-stum-t.step",
      "lbr": "at24mac402-stum-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2061068",
      "digikey": "AT24MAC402-STUM-TTR-ND",
      "mouser": "556-AT24MAC402-STUMT"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T23:23:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24MAC402-STUM-TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-AT24MAC402-STUMT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input: command and input data on SDA are latched on the SCL rising edge, output data is clocked out on the falling edge, and SCL must be forced high when the bus is idle or pulled high with an external pull-up resistor."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply, which should be connected to the system ground."
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain bidirectional serial data pin 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": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply input (1.7 V to 5.5 V per the features list); operations at invalid VCC voltages may produce spurious results and should not be attempted."
      },
      {
        "number": "5",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input: connected to GND allows normal write operations, while connected to VCC all writes to the protected memory (full array) are inhibited; if left floating it is internally pulled down to GND and Microchip recommends driving it to a known state."
      }
    ],
    "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 SOT23 package has no A0, A1 or A2 device address pins (Table 2-1 shows '—' for the 5-lead SOT23 ; Pin numbers and names are taken from Table 2-1 (page 5) and the SOT23 Top View on page 4; the pin 1 "
        ],
        "pages_sent": 21,
        "cost_usd": 0.0039,
        "at": "2026-11-12T23:23:46"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4793a194768859a42ee7e601d90388ec.pdf",
        "pages": 45,
        "sha256": "07384d2ed03d89d2",
        "source_tier": "mfr"
      },
      "cad": "land: KiCad official (CC-BY-SA 4.0); 3D: generated from the datasheet",
      "model_3d_generated": {
        "generator": "factory/gen_pkg3d.py",
        "family": "SOT",
        "height_mm": 1.0,
        "height_basis": "datasheet A, nominal",
        "standoff_mm": 0.05,
        "standoff_basis": "family nominal (no datasheet A1 read)",
        "lead_width_mm": 0.36,
        "lead_width_basis": "default: 0.6 x pad width across the lead, at most 0.45 x pitch 0.95 mm; a tab 0.9 x its width (no datasheet b read)",
        "lead_thickness_mm": 0.172,
        "lead_thickness_basis": "default for pitch 0.95 mm, height 1 mm (no datasheet c read)"
      },
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at24mac402-stum-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "69d6d0805c31651fca97aaa798905ee9b5585e759b729b67ba9f5a8db0916391",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24mac402-stum-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bc817efa1fa6de8a8fe56b005ec6dfa6a90739bdfea92e968a248937d20ddfc1",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "NMB",
      "source_page": 35,
      "D": {
        "nom_mm": 2.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 1.6,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 2.8,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.95,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.0,
        "range_mm": [
          0.9,
          1.1
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "at24mac402-stum-t.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}