M40SZ100WMQ6F

{
  "slug": "m40sz100wmq6f",
  "version": "0.1.0",
  "type": "component",
  "description": "STMicroelectronics Monitors & Reset Circuits, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "m40sz100wmq6f",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "m40sz100wmq6f.kicad_sym",
    "m40sz100wmq6f.kicad_mod",
    "m40sz100wmq6f.glb",
    "m40sz100wmq6f.step",
    "m40sz100wmq6f.lbr",
    "docs/hero.png",
    "docs/m40sz100wmq6f-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "m40sz100wmq6f-hero.glb",
    "m40sz100wmq6f-hero.overlay.json",
    "m40sz100wmq6f-etched.glb"
  ],
  "component": {
    "mpn": "M40SZ100WMQ6F",
    "manufacturer": "STMicroelectronics",
    "package": "SO-16",
    "pin_count": 16,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://www.st.com/resource/en/datasheet/m40sz100wmq6f.pdf",
    "parts": {
      "symbol": "m40sz100wmq6f.kicad_sym",
      "footprint": "m40sz100wmq6f.kicad_mod",
      "model_3d": "m40sz100wmq6f-hero.glb",
      "model_3d_plain": "m40sz100wmq6f-etched.glb",
      "model_3d_step": "m40sz100wmq6f-etched.step",
      "model_3d_step_plain": "m40sz100wmq6f.step",
      "lbr": "m40sz100wmq6f.lbr"
    },
    "distributor_links": {
      "lcsc": "C2066125",
      "digikey": "497-4688-2-ND",
      "mouser": "511-M40SZ100WMQ6F"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:44:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "497-4688-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "511-M40SZ100WMQ6F",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "3",
        "name": "RST",
        "type": "output",
        "description": "Open-drain power-on reset output, guaranteed low by VPFD and held low for tREC (40 to 200 ms) after VCC exceeds VPFD, needing a pull-up resistor to VCC."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "5",
        "name": "RSTIN",
        "type": "input",
        "description": "Reset input that generates a reset identical to a power-cycle reset, internally pulled up to VCC through a 100 kΩ resistor, with pulses shorter than 50 ns ignored."
      },
      {
        "number": "6",
        "name": "PFO",
        "type": "output",
        "description": "Power-fail output that goes low when PFI is below the 1.25 V threshold and is low during battery backup."
      },
      {
        "number": "7",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup battery supply input, 2.5 V min, 3.0 V typ, 3.5 V max."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "ECON",
        "type": "output",
        "description": "Conditioned chip enable output that follows E in normal operation with less than 15 ns delay and is forced inactive to write-protect the SRAM when VCC is out of tolerance."
      },
      {
        "number": "10",
        "name": "E",
        "type": "input",
        "description": "Chip enable input from the processor, gated to produce ECON."
      },
      {
        "number": "11",
        "name": "BL",
        "type": "output",
        "description": "Open-drain battery low output asserted when the battery voltage is below approximately 2.5 V, needing a pull-up resistor to VCC."
      },
      {
        "number": "12",
        "name": "PFI",
        "type": "input",
        "description": "Power-fail input compared with the internal 1.25 V reference (1.225 to 1.275 V threshold at VCC = 3 V); connect to VSS if unused."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "14",
        "name": "VOUT",
        "type": "power_out",
        "description": "Supply output to the SRAM, switched from VCC (drop under 0.3 V, up to 100 mA) or from the battery below VSO (up to 100 µA)."
      },
      {
        "number": "15",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected internally."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, 2.7 to 3.6 V operating, absolute maximum 4.6 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: The pin-type classification for the VBAT, PFO and ECON pins is inferred from the signal-name table a",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 20,
        "cost_usd": 0.4294,
        "at": "2026-10-30T23:44:04"
      },
      "datasheet": {
        "url": "https://www.st.com/resource/en/datasheet/m40sz100wmq6f.pdf",
        "pages": 20,
        "sha256": "f4778d7158439f43",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "m40sz100wmq6f.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "m40sz100wmq6f-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "75944eccd3af9e82075466e759af67e3c2a4ac3d003ff26ff89cca7f0b067e84",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SO16",
      "source_page": 17,
      "D": {
        "nom_mm": 9.9,
        "range_mm": [
          9.8,
          10.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "m40sz100wmq6f.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}