M41T56M6F

{
  "slug": "m41t56m6f",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Real Time Clocks, SOIC-8-150mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "m41t56m6f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "m41t56m6f.kicad_sym",
    "m41t56m6f.kicad_mod",
    "m41t56m6f.glb",
    "m41t56m6f.step",
    "m41t56m6f.lbr",
    "docs/hero.png",
    "docs/m41t56m6f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "m41t56m6f-hero.glb",
    "m41t56m6f-hero.overlay.json"
  ],
  "component": {
    "mpn": "M41T56M6F",
    "manufacturer": "STMicroelectronics",
    "package": "SOIC-8-150mil",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907620727443456",
    "parts": {
      "symbol": "m41t56m6f.kicad_sym",
      "footprint": "m41t56m6f.kicad_mod",
      "model_3d": "m41t56m6f-hero.glb",
      "model_3d_plain": "m41t56m6f.glb",
      "model_3d_step": "m41t56m6f-etched.step",
      "model_3d_step_plain": "m41t56m6f.step",
      "lbr": "m41t56m6f.lbr"
    },
    "distributor_links": {
      "lcsc": "C221489",
      "digikey": "497-4706-2-ND",
      "mouser": "511-M41T56M6F"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T23:45:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-4706-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-M41T56M6F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "Oscillator input for the external 32.768 kHz crystal, which has 12.5 pF load capacitance integrated in the device."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "Oscillator output to the external 32.768 kHz crystal (printed as OCSO in Table 1), with a maximum crystal series resistance of 60 kΩ."
      },
      {
        "number": "3",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery supply input, 2.5 to 3.5 V (3 V typ), with 450 nA typical battery current at 3 V; the device switches to it when VCC falls below VBAT."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output, which needs a pull-up resistor to a positive supply and supports up to 100 kHz."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input from the master, 0 to 100 kHz, which needs a pull-up resistor to a positive supply."
      },
      {
        "number": "7",
        "name": "FT/OUT",
        "type": "output",
        "description": "Open-drain frequency test (512 Hz) or output driver pin reflecting the OUT bit, which needs an external pull-up resistor and has VOL max 0.4 V at 5 mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Main supply voltage, 4.5 to 5.5 V, with timekeeping down to 2.5 V and an absolute maximum of 7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 1 prints the oscillator output as OCSO, but Figure 2 and the block diagram print OSCO. I used ; The M41T56M6F orderable part is the SO8 150-mil tape-and-reel variant (M = SO8, F = tape & reel). Th",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 27,
        "cost_usd": 0.2722,
        "at": "2026-10-10T23:45:34"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588907620727443456",
        "pages": 27,
        "sha256": "59407420b31f518c",
        "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": "m41t56m6f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "m41t56m6f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c0d72d1e39b8b8fccecccbf00997a74316b8a18446825460b5304e6a9f4fdc14",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}