LMK03806BISQX

{
  "slug": "lmk03806bisqx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Generators / Frequency Synthesizers / PLL, WQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rtc-clock chip",
    "lmk03806bisqx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "lmk03806bisqx.kicad_sym",
    "lmk03806bisqx.kicad_mod",
    "lmk03806bisqx.glb",
    "lmk03806bisqx.step",
    "lmk03806bisqx.lbr",
    "docs/hero.png",
    "docs/lmk03806bisqx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmk03806bisqx-hero.glb",
    "lmk03806bisqx-hero.overlay.json"
  ],
  "component": {
    "mpn": "LMK03806BISQX",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-64-EP(9x9)",
    "pin_count": 65,
    "category": "RTC/Clock Chip",
    "subcategory": "Clock Generators / Frequency Synthesizers / PLL",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmk03806",
    "parts": {
      "symbol": "lmk03806bisqx.kicad_sym",
      "footprint": "lmk03806bisqx.kicad_mod",
      "model_3d": "lmk03806bisqx-hero.glb",
      "model_3d_plain": "lmk03806bisqx.glb",
      "model_3d_step": "lmk03806bisqx-etched.step",
      "model_3d_step_plain": "lmk03806bisqx.step",
      "lbr": "lmk03806bisqx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2664441"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T22:58:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLKout0",
        "type": "output",
        "description": "Programmable clock output 0 (clock group 0), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "2",
        "name": "CLKout0*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 0 (clock group 0), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "3",
        "name": "CLKout1*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 1 (clock group 0), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "4",
        "name": "CLKout1",
        "type": "output",
        "description": "Programmable clock output 1 (clock group 0), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "6",
        "name": "SYNC",
        "type": "input",
        "description": "Clock synchronization input (CMOS)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "10",
        "name": "Vcc1",
        "type": "power_in",
        "description": "Power supply for the VCO LDO."
      },
      {
        "number": "11",
        "name": "LDObyp1",
        "type": "passive",
        "description": "LDO bypass pin, bypassed to ground with a 10 µF capacitor."
      },
      {
        "number": "12",
        "name": "LDObyp2",
        "type": "passive",
        "description": "LDO bypass pin, bypassed to ground with a 0.1 µF capacitor."
      },
      {
        "number": "13",
        "name": "CLKout2",
        "type": "output",
        "description": "Programmable clock output 2 (clock group 1), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "14",
        "name": "CLKout2*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 2 (clock group 1), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "15",
        "name": "CLKout3*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 3 (clock group 1), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "16",
        "name": "CLKout3",
        "type": "output",
        "description": "Programmable clock output 3 (clock group 1), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "17",
        "name": "Vcc2",
        "type": "power_in",
        "description": "Power supply for clock group 1: CLKout2 and CLKout3."
      },
      {
        "number": "18",
        "name": "Vcc3",
        "type": "power_in",
        "description": "Power supply for clock group 2: CLKout4 and CLKout5."
      },
      {
        "number": "19",
        "name": "CLKout4",
        "type": "output",
        "description": "Programmable clock output 4 (clock group 2), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "20",
        "name": "CLKout4*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 4 (clock group 2), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "21",
        "name": "CLKout5*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 5 (clock group 2), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "22",
        "name": "CLKout5",
        "type": "output",
        "description": "Programmable clock output 5 (clock group 2), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "23",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "24",
        "name": "Vcc4",
        "type": "power_in",
        "description": "Power supply for digital circuitry."
      },
      {
        "number": "25",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "26",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "27",
        "name": "Readback",
        "type": "output",
        "description": "CMOS pin that can be used to read back register information."
      },
      {
        "number": "28",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "29",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "30",
        "name": "Vcc5",
        "type": "power_in",
        "description": "Power supply for clock inputs."
      },
      {
        "number": "31",
        "name": "OSCout1",
        "type": "output",
        "description": "LVPECL buffered output 1 of the OSCin port."
      },
      {
        "number": "32",
        "name": "OSCout1*",
        "type": "output",
        "description": "Complementary LVPECL buffered output 1 of the OSCin port."
      },
      {
        "number": "33",
        "name": "Ftest/LD",
        "type": "output",
        "description": "Programmable multiplexed lock detect and test output pin."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "Do not connect; this pin must be left floating and must NOT be grounded."
      },
      {
        "number": "35",
        "name": "Vcc6",
        "type": "power_in",
        "description": "Power supply; no bypassing required on this pin."
      },
      {
        "number": "36",
        "name": "OSCin",
        "type": "input",
        "description": "Reference input to the PLL; may be a crystal for the internal crystal oscillator circuit, or an XO, TCXO or other external clock that must be AC coupled."
      },
      {
        "number": "37",
        "name": "OSCin*",
        "type": "input",
        "description": "Complementary reference input to the PLL; external clock sources must be AC coupled."
      },
      {
        "number": "38",
        "name": "Vcc7",
        "type": "power_in",
        "description": "Power supply for the OSCin port."
      },
      {
        "number": "39",
        "name": "OSCout0",
        "type": "output",
        "description": "Programmable buffered output 0 of the OSCin port."
      },
      {
        "number": "40",
        "name": "OSCout0*",
        "type": "output",
        "description": "Complementary programmable buffered output 0 of the OSCin port."
      },
      {
        "number": "41",
        "name": "Vcc8",
        "type": "power_in",
        "description": "Power supply for the PLL charge pump."
      },
      {
        "number": "42",
        "name": "CPout",
        "type": "output",
        "description": "Charge pump output (analog)."
      },
      {
        "number": "43",
        "name": "Vcc9",
        "type": "power_in",
        "description": "Power supply for the PLL."
      },
      {
        "number": "44",
        "name": "LEuWire",
        "type": "input",
        "description": "CMOS MICROWIRE latch enable input."
      },
      {
        "number": "45",
        "name": "CLKuWire",
        "type": "input",
        "description": "CMOS MICROWIRE clock input."
      },
      {
        "number": "46",
        "name": "DATAuWire",
        "type": "input",
        "description": "CMOS MICROWIRE data input."
      },
      {
        "number": "47",
        "name": "Vcc10",
        "type": "power_in",
        "description": "Power supply for clock group 3: CLKout6 and CLKout7."
      },
      {
        "number": "48",
        "name": "CLKout6",
        "type": "output",
        "description": "Programmable clock output 6 (clock group 3), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "49",
        "name": "CLKout6*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 6 (clock group 3), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "50",
        "name": "CLKout7*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 7 (clock group 3), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "51",
        "name": "CLKout7",
        "type": "output",
        "description": "Programmable clock output 7 (clock group 3), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "52",
        "name": "Vcc11",
        "type": "power_in",
        "description": "Power supply for clock group 4: CLKout8 and CLKout9."
      },
      {
        "number": "53",
        "name": "CLKout8",
        "type": "output",
        "description": "Programmable clock output 8 (clock group 4), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "54",
        "name": "CLKout8*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 8 (clock group 4), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "55",
        "name": "CLKout9*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 9 (clock group 4), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "56",
        "name": "CLKout9",
        "type": "output",
        "description": "Programmable clock output 9 (clock group 4), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "57",
        "name": "Vcc12",
        "type": "power_in",
        "description": "Power supply for clock group 5: CLKout10 and CLKout11."
      },
      {
        "number": "58",
        "name": "CLKout10",
        "type": "output",
        "description": "Programmable clock output 10 (clock group 5), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "59",
        "name": "CLKout10*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 10 (clock group 5), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "60",
        "name": "CLKout11*",
        "type": "output",
        "description": "Complementary pin of programmable clock output 11 (clock group 5), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "61",
        "name": "CLKout11",
        "type": "output",
        "description": "Programmable clock output 11 (clock group 5), selectable as LVDS, LVPECL or LVCMOS."
      },
      {
        "number": "62",
        "name": "GPout0",
        "type": "output",
        "description": "CMOS pin that can be programmed for general-purpose output."
      },
      {
        "number": "63",
        "name": "GPout1",
        "type": "output",
        "description": "CMOS pin that can be programmed for general-purpose output."
      },
      {
        "number": "64",
        "name": "Vcc13",
        "type": "power_in",
        "description": "Power supply for clock group 0: CLKout0 and CLKout1."
      },
      {
        "number": "65",
        "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 exposed die attach pad is printed as 'DAP', not a numeric pin. It is included as a separate entr; Pin numbers for the differential clock pairs come from the Table 4-1 pin-number column. The top-view; Some pin types are inferred: analog pins (LDObyp1/2) are mapped to passive, CPout to output, and the",
          "exposed pad 65 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 11,
        "cost_usd": 0.1084,
        "at": "2026-10-08T22:57:28"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmk03806",
        "pages": 70,
        "sha256": "5b47d3ff1374ae26",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 65,
        "described": 65,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmk03806bisqx-etched.step",
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        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "1d1144a7eef2b96bce5384e92e04724fceacc5419b70dda7634f42923a7fe7ed",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}