LMK03033CISQX

{
  "slug": "lmk03033cisqx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, WQFN-48(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "lmk03033cisqx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmk03033cisqx.kicad_sym",
    "lmk03033cisqx.kicad_mod",
    "lmk03033cisqx.glb",
    "lmk03033cisqx.step",
    "lmk03033cisqx.lbr",
    "docs/hero.png",
    "docs/lmk03033cisqx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmk03033cisqx-hero.glb",
    "lmk03033cisqx-hero.overlay.json"
  ],
  "component": {
    "mpn": "LMK03033CISQX",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-48(7x7)",
    "pin_count": 49,
    "category": "Clock/Timing",
    "subcategory": "Clock Generators, PLLs, Frequency Synthesizers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmk03000",
    "parts": {
      "symbol": "lmk03033cisqx.kicad_sym",
      "footprint": "lmk03033cisqx.kicad_mod",
      "model_3d": "lmk03033cisqx-hero.glb",
      "model_3d_plain": "lmk03033cisqx.glb",
      "model_3d_step": "lmk03033cisqx-etched.step",
      "model_3d_step_plain": "lmk03033cisqx.step",
      "lbr": "lmk03033cisqx.lbr"
    },
    "distributor_links": {
      "lcsc": "C3607272"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:07:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device; the datasheet lists it as Ground in Table 2-1."
      },
      {
        "number": "2",
        "name": "Fout",
        "type": "output",
        "description": "Internal VCO frequency output, enabled only when the EN_Fout bit is set to 1 (default is disabled)."
      },
      {
        "number": "3",
        "name": "Vcc1",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "4",
        "name": "CLKuWire",
        "type": "input",
        "description": "MICROWIRE clock input for programming the control registers."
      },
      {
        "number": "5",
        "name": "DATAuWire",
        "type": "input",
        "description": "MICROWIRE data input for programming the control registers."
      },
      {
        "number": "6",
        "name": "LEuWire",
        "type": "input",
        "description": "MICROWIRE latch enable input for programming the control registers."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "8",
        "name": "Vcc2",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "9",
        "name": "LDObyp1",
        "type": "passive",
        "description": "LDO bypass pin; connects to the LDO bypass network (paired with LDObyp2)."
      },
      {
        "number": "10",
        "name": "LDObyp2",
        "type": "passive",
        "description": "LDO bypass pin; connects to the LDO bypass network (paired with LDObyp1)."
      },
      {
        "number": "11",
        "name": "GOE",
        "type": "input",
        "description": "Global output enable; when low, all clock outputs are disabled regardless of the individual CLKoutX_EN bits."
      },
      {
        "number": "12",
        "name": "LD",
        "type": "output",
        "description": "Lock detect and test output; its mode is set by the PLL_MUX[3:0] register bits (default Hi-Z, disabled)."
      },
      {
        "number": "13",
        "name": "Vcc3",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "14",
        "name": "CLKout0",
        "type": "output",
        "description": "LVDS clock output 0 (true)."
      },
      {
        "number": "15",
        "name": "CLKout0*",
        "type": "output",
        "description": "LVDS clock output 0 (complementary)."
      },
      {
        "number": "16",
        "name": "Vcc4",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "17",
        "name": "CLKout1",
        "type": "output",
        "description": "LVDS clock output 1 (true)."
      },
      {
        "number": "18",
        "name": "CLKout1*",
        "type": "output",
        "description": "LVDS clock output 1 (complementary)."
      },
      {
        "number": "19",
        "name": "Vcc5",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "20",
        "name": "CLKout2",
        "type": "output",
        "description": "LVDS clock output 2 (true)."
      },
      {
        "number": "21",
        "name": "CLKout2*",
        "type": "output",
        "description": "LVDS clock output 2 (complementary)."
      },
      {
        "number": "22",
        "name": "Vcc6",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "23",
        "name": "CLKout3",
        "type": "output",
        "description": "Clock output 3 (true); LVDS for the LMK03033C, LVPECL for other parts in the family."
      },
      {
        "number": "24",
        "name": "CLKout3*",
        "type": "output",
        "description": "Clock output 3 (complementary); LVDS for the LMK03033C, LVPECL for other parts in the family."
      },
      {
        "number": "25",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device; the datasheet lists it as Ground in Table 2-1."
      },
      {
        "number": "26",
        "name": "Vcc7",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "27",
        "name": "SYNC*",
        "type": "input",
        "description": "Global clock output synchronization input (active low per the * suffix)."
      },
      {
        "number": "28",
        "name": "OSCin",
        "type": "input",
        "description": "Oscillator clock input; should be AC coupled."
      },
      {
        "number": "29",
        "name": "OSCin*",
        "type": "input",
        "description": "Complementary oscillator clock input; should be AC coupled."
      },
      {
        "number": "30",
        "name": "Vcc8",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "31",
        "name": "Vcc9",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "32",
        "name": "CPout",
        "type": "output",
        "description": "Charge pump output for the PLL loop filter."
      },
      {
        "number": "33",
        "name": "Vcc10",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "34",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "35",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection; leave this pin unconnected."
      },
      {
        "number": "36",
        "name": "Bias",
        "type": "input",
        "description": "Bias bypass pin for the internal bias circuitry; requires its bypass connection as described in the application section."
      },
      {
        "number": "37",
        "name": "Vcc11",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "38",
        "name": "CLKout4",
        "type": "output",
        "description": "LVPECL clock output 4 (true)."
      },
      {
        "number": "39",
        "name": "CLKout4*",
        "type": "output",
        "description": "LVPECL clock output 4 (complementary)."
      },
      {
        "number": "40",
        "name": "Vcc12",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "41",
        "name": "CLKout5",
        "type": "output",
        "description": "LVPECL clock output 5 (true)."
      },
      {
        "number": "42",
        "name": "CLKout5*",
        "type": "output",
        "description": "LVPECL clock output 5 (complementary)."
      },
      {
        "number": "43",
        "name": "Vcc13",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "44",
        "name": "CLKout6",
        "type": "output",
        "description": "LVPECL clock output 6 (true)."
      },
      {
        "number": "45",
        "name": "CLKout6*",
        "type": "output",
        "description": "LVPECL clock output 6 (complementary)."
      },
      {
        "number": "46",
        "name": "Vcc14",
        "type": "power_in",
        "description": "Power supply pin; the device operates from 3.15 V to 3.45 V (3.3 V typical)."
      },
      {
        "number": "47",
        "name": "CLKout7",
        "type": "output",
        "description": "LVPECL clock output 7 (true)."
      },
      {
        "number": "48",
        "name": "CLKout7*",
        "type": "output",
        "description": "LVPECL clock output 7 (complementary)."
      },
      {
        "number": "49",
        "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 provided text is a 13-page excerpt of a 48-page datasheet that covers the whole LMK03000 family.; Pin 23/24 (CLKout3/CLKout3*) output type differs by family member. The datasheet says LVDS for LMK03; Pin types were mapped to KiCad ERC classes from the datasheet's I/O column. The Vcc pins, GND, and D",
          "exposed pad 49 added from the footprint",
          "dropped thermal pad ['EP'] absent from footprint"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1029,
        "at": "2026-10-08T18:07:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmk03000",
        "pages": 48,
        "sha256": "0cf7a425324a1ad2",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 49,
        "described": 49,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lmk03033cisqx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
          0.77
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f2b38b0b4bf967c77e683e8d4599608b9f0503055ec535b93c4ebb5d0163e916",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmk03033cisqx-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.0,
          7.0,
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        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "769e8119fb9819e4eedf64031ec075fde580d7b6d3e15bd5f3e464aa20f182ab",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}