AT24CS02-STUM-T

{
  "schema_version": 1,
  "type": "component",
  "slug": "at24cs02-stum-t",
  "title": "AT24CS02-STUM-T",
  "brief": "Microchip Tech Pre-ordered Chips, SOT-23-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface ics",
    "at24cs02-stum-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT24CS02-STUM-T",
    "manufacturer": "Microchip Tech",
    "package": "SOT-23-5",
    "pin_count": 5,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/417df2b5915126d648cd8271c4fc94a4.pdf",
    "parts": {
      "symbol": "at24cs02-stum-t.kicad_sym",
      "footprint": "at24cs02-stum-t.kicad_mod",
      "model_3d": "at24cs02-stum-t-hero.glb",
      "model_3d_plain": "at24cs02-stum-t-etched.glb",
      "model_3d_step": "at24cs02-stum-t-etched.step",
      "model_3d_step_plain": "at24cs02-stum-t.step",
      "lbr": "at24cs02-stum-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2060969",
      "digikey": "AT24CS02-STUM-TTR-ND",
      "mouser": "556-AT24CS02-STUM-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T02:09:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "AT24CS02-STUM-TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-AT24CS02-STUM-T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input that latches command and input data on the SCL rising edge and clocks output data out on the falling edge, and must be held 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 through an external pull-up resistor not exceeding 10 kΩ."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply pin; operation 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 inhibits all writes to the protected memory, and it is internally pulled down to GND if left floating."
      }
    ],
    "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 5-lead SOT23 variant has no A0, A1 or A2 pins (shown as '—' in Table 2-1), so those address inpu"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0161,
        "at": "2026-10-27T02:08:52"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/417df2b5915126d648cd8271c4fc94a4.pdf",
        "pages": 40,
        "sha256": "2acc10a565652d40",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at24cs02-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": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24cs02-stum-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bda2cc8b8b0d798e1ffb2be5191bd78d4c672cdfba6b26878cabd8b03e2f5ae7",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "SOT-23-5",
      "Category": "Interface ICs",
      "Pins": "5"
    },
    "appearance": {
      "contacts": {
        "quote": "8-Lead Plastic Small Outline (SN) - Narrow, 3.90 mm (.150 In.) Body [SOIC] © 2020 Microchip Technology Inc.",
        "page": 24,
        "doc": "ds.pdf",
        "plating": "tin"
      },
      "version": 1,
      "datasheet_sha256": "2acc10a565652d40103acdd631bf2837433cee652c1b7170e7c39f92c9b3a6f0"
    }
  },
  "variants": [],
  "sections": [
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    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "at24cs02-stum-t"
  ],
  "discovery_pitch": "AT24CS02-STUM-T (Microchip Tech) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "at24cs02-stum-t.step",
    "at24cs02-stum-t.lbr",
    "docs/hero.png",
    "docs/at24cs02-stum-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24cs02-stum-t-hero.glb",
    "at24cs02-stum-t-hero.overlay.json",
    "at24cs02-stum-t-etched.glb"
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  "visibility": {
    "public": true
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}