AT24C02D-STUM-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24c02d-stum-t",
  "title": "AT24C02D-STUM-T",
  "brief": "Microchip EEPROM, SOT-23-5. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "at24c02d-stum-t"
  ],
  "component": {
    "mpn": "AT24C02D-STUM-T",
    "manufacturer": "Microchip",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/c29e4cc385dd45a5834baf0ecd97c09b.pdf",
    "parts": {
      "symbol": "at24c02d-stum-t.kicad_sym",
      "footprint": "at24c02d-stum-t.kicad_mod",
      "model_3d": "at24c02d-stum-t-etched.glb",
      "model_3d_plain": "at24c02d-stum-t.glb",
      "model_3d_step": "at24c02d-stum-t-etched.step",
      "model_3d_step_plain": "at24c02d-stum-t.step",
      "lbr": "at24c02d-stum-t.lbr"
    },
    "distributor_links": {
      "digikey": "AT24C02D-STUM-TTR-ND",
      "lcsc": "C79996"
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial Clock input. Clocks command/data into the device on the rising edge of SCL; output data on SDA is clocked out on the falling edge. Open-drain bus line — must be pulled high externally or held high by the bus master when idle.",
        "group": "I2C"
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the power supply. Connect to system ground.",
        "group": "GROUND"
      },
      {
        "number": "3",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial Data — open-drain bidirectional I/O used to transfer command, address, and data bytes to/from the device. Requires an external pull-up resistor (≤10 kΩ) and may be wire-ORed with other open-drain devices sharing the bus.",
        "group": "I2C"
      },
      {
        "number": "4",
        "name": "WP",
        "type": "input",
        "description": "Write Protect (active high). Tie to GND for normal write operation; drive to VCC to inhibit all writes to the EEPROM array. Internally weakly pulled down; recommend driving to a known state.",
        "group": "CONTROL"
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 1.7 V to 3.6 V. Should rise monotonically from GND during power-up; decouple locally.",
        "group": "POWER"
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/c29e4cc385dd45a5834baf0ecd97c09b.pdf",
        "pages": 26,
        "sha256": "397ff061aa7a4ae3",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -1.1375,
        -0.95
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOT-23-5@sha256:455a3f7c3e5eb5b8",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "at24c02d-stum-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "720a6eab0024069bbee68e7cb4c3ff1149468a34611225cdc852662c5d0ec2b7",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c02d-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,
          1.55
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ca47ae5e6d05395c1d07d2eb6b38d3df85d20eeef433f36a22895442bf4f343",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip",
      "Package": "SOT-23-5",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24c02d-stum-t"
  ],
  "discovery_pitch": "AT24C02D-STUM-T (Microchip) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c02d-stum-t.kicad_sym",
    "at24c02d-stum-t.kicad_mod",
    "at24c02d-stum-t.glb",
    "at24c02d-stum-t.step",
    "at24c02d-stum-t-etched.step",
    "at24c02d-stum-t.lbr",
    "docs/hero.png",
    "docs/at24c02d-stum-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T17:03:23.844Z"
}