EFM8LB11F16E-C-QFN24

{
  "slug": "efm8lb11f16e-c-qfn24",
  "version": "0.1.0",
  "type": "component",
  "description": "SILICON LABS Pre-ordered MCUs, QFN-24-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "efm8lb11f16e-c-qfn24",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
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    "docs/efm8lb11f16e-c-qfn24-datasheet.pdf",
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    "efm8lb11f16e-c-qfn24-hero.overlay.json"
  ],
  "component": {
    "mpn": "EFM8LB11F16E-C-QFN24",
    "manufacturer": "SILICON LABS",
    "package": "QFN-24-EP(3x3)",
    "pin_count": 25,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0fe5101814c8c0abfa6efc96b2aee57c.pdf",
    "parts": {
      "symbol": "efm8lb11f16e-c-qfn24.kicad_sym",
      "footprint": "efm8lb11f16e-c-qfn24.kicad_mod",
      "model_3d": "efm8lb11f16e-c-qfn24-hero.glb",
      "model_3d_plain": "efm8lb11f16e-c-qfn24.glb",
      "model_3d_step": "efm8lb11f16e-c-qfn24-etched.step",
      "model_3d_step_plain": "efm8lb11f16e-c-qfn24.step",
      "lbr": "efm8lb11f16e-c-qfn24.lbr"
    },
    "distributor_links": {
      "lcsc": "C1340825",
      "digikey": "EFM8LB11F16E-C-QFN24-ND",
      "mouser": "634-LB11F16ECQFN24"
    },
    "distributor_check": {
      "checked_at": "2026-11-12T20:01:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "EFM8LB11F16E-C-QFN24-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "634-LB11F16ECQFN24",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.1, INT0.1, INT1.1, CLU0B.8, CLU2A.9, CLU3B.9; analog functions ADC0.0, CMP0P.0, CMP0N.0 and AGND as listed in the datasheet."
      },
      {
        "number": "2",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.0, INT0.0, INT1.0, CLU0A.8, CLU2A.8, CLU3B.8; analog function VREF."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "4",
        "name": "VDD / VIO",
        "type": "power_in",
        "description": "Shared supply power input for VDD and VIO; device operation is specified from 2.2 V up to a 3.6 V supply."
      },
      {
        "number": "5",
        "name": "RSTb / C2CK",
        "type": "input",
        "description": "Active-low reset input that is also the C2 debug clock (C2CK)."
      },
      {
        "number": "6",
        "name": "P3.0 / C2D",
        "type": "bidirectional",
        "description": "Multifunction I/O that is shared with the C2 debug data signal (C2D) on this package option."
      },
      {
        "number": "7",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P2MAT.3, CLU1B.15, CLU2B.15, CLU3A.15; analog function DAC3 as listed in the pin table."
      },
      {
        "number": "8",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P2MAT.2, CLU1A.15, CLU2B.14, CLU3A.14; analog function DAC2 as listed in the pin table."
      },
      {
        "number": "9",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P2MAT.1, CLU1B.14, CLU2A.15, CLU3B.15; analog function DAC1 as listed in the pin table."
      },
      {
        "number": "10",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P2MAT.0, CLU1A.14, CLU2A.14, CLU3B.14; analog function DAC0 as listed in the pin table."
      },
      {
        "number": "11",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.6, CLU3OUT, CLU0A.15, CLU1B.12, CLU2A.12; analog functions ADC0.11, CMP1P.5, CMP1N.5."
      },
      {
        "number": "12",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.5, CLU2OUT, CLU0B.14, CLU1A.13, CLU2B.13; analog functions ADC0.10, CMP1P.4, CMP1N.4."
      },
      {
        "number": "13",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.4, I2C0_SCL, CLU0A.14, CLU1A.12, CLU2B.12; analog functions ADC0.9, CMP1P.3, CMP1N.3."
      },
      {
        "number": "14",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.3, I2C0_SDA, CLU0B.13, CLU1B.11, CLU2B.11, CLU3A.13; analog functions CMP1P.2, CMP1N.2."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "16",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.2, CLU0A.13, CLU1A.11, CLU2B.10, CLU3A.12; analog function ADC0.8."
      },
      {
        "number": "17",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.1, CLU0B.12, CLU1B.10, CLU2A.11, CLU3B.13; analog function ADC0.7."
      },
      {
        "number": "18",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P1MAT.0, CLU0A.12, CLU1A.10, CLU2A.10, CLU3B.12; analog function ADC0.6."
      },
      {
        "number": "19",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.7, INT0.7, INT1.7, CLU1OUT, CLU0B.11, CLU1B.9, CLU3A.11; analog functions ADC0.5, CMP0P.5, CMP0N.5, CMP1P.1, CMP1N.1."
      },
      {
        "number": "20",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.6, CNVSTR, INT0.6, INT1.6, CLU0A.11, CLU1B.8, CLU3A.10; analog functions ADC0.4, CMP0P.4, CMP0N.4, CMP1P.0, CMP1N.0."
      },
      {
        "number": "21",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.5, INT0.5, INT1.5, UART0_RX, CLU0B.10, CLU1A.9, CLU3B.11; analog functions ADC0.3, CMP0P.3, CMP0N.3."
      },
      {
        "number": "22",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.4, INT0.4, INT1.4, UART0_TX, CLU0A.10, CLU1A.8, CLU3B.10; analog functions ADC0.2, CMP0P.2, CMP0N.2."
      },
      {
        "number": "23",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.3, EXTCLK, INT0.3, INT1.3, CLU0B.9, CLU2B.9, CLU3A.9; analog function EXTOSC."
      },
      {
        "number": "24",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "Multifunction I/O with crossbar capability; additional digital functions P0MAT.2, INT0.2, INT1.2, CLU0OUT, CLU0A.9, CLU2B.8, CLU3A.8; analog functions ADC0.1, CMP0P.1, CMP0N.1."
      },
      {
        "number": "25",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 QFN24 package has a center pad labelled 'Center GND' in Table 6.3 but it carries no printed pin ; Table 6.3 lists DAC2 and DAC3 functions on pins 7 and 8 (P2.2/P2.3), but the product selection guide; The extracted text lists AGND in the analog-function column of pin 1 (P0.1) in Table 6.3. This looks"
        ],
        "pages_sent": 45,
        "cost_usd": 0.0094,
        "at": "2026-11-12T20:01:27"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0fe5101814c8c0abfa6efc96b2aee57c.pdf",
        "pages": 77,
        "sha256": "4bb882f3cda45564",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "model_3d_generated": {
        "generator": "factory/gen_pkg3d.py",
        "family": "QFN",
        "height_mm": 0.85,
        "height_basis": "datasheet A, nominal",
        "standoff_mm": 0.0
      },
      "pins": {
        "total": 25,
        "described": 25,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "efm8lb11f16e-c-qfn24.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3.02,
          0.85
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8e53978dfd8a52f6b0a79745e5638ea3accac154c94d2f5cd221cd10887f89fd",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "efm8lb11f16e-c-qfn24-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          3.02,
          0.85
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "edb9ae4e9ed4f242fc523b7505b3fc118cc5f03cf55dbd0a9b0f59715e422131",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "QFN24",
      "source_page": 68,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.4,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.85,
        "range_mm": [
          0.8,
          0.9
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "efm8lb11f16e-c-qfn24.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}