LMK03328RHSR

{
  "slug": "lmk03328rhsr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Generators / Frequency Synthesizers / PLL, WQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock and timing",
    "lmk03328rhsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmk03328rhsr.kicad_sym",
    "lmk03328rhsr.kicad_mod",
    "lmk03328rhsr.glb",
    "lmk03328rhsr.step",
    "lmk03328rhsr.lbr",
    "docs/hero.png",
    "docs/lmk03328rhsr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lmk03328rhsr-hero.glb",
    "lmk03328rhsr-hero.overlay.json",
    "lmk03328rhsr-etched.glb"
  ],
  "component": {
    "mpn": "LMK03328RHSR",
    "manufacturer": "Texas Instruments",
    "package": "WQFN-48-EP(7x7)",
    "pin_count": 49,
    "category": "Clock and Timing",
    "subcategory": "Clock Generators / Frequency Synthesizers / PLL",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmk03328",
    "parts": {
      "symbol": "lmk03328rhsr.kicad_sym",
      "footprint": "lmk03328rhsr.kicad_mod",
      "model_3d": "lmk03328rhsr-hero.glb",
      "model_3d_plain": "lmk03328rhsr-etched.glb",
      "model_3d_step": "lmk03328rhsr-etched.step",
      "model_3d_step_plain": "lmk03328rhsr.step",
      "lbr": "lmk03328rhsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C544831",
      "digikey": "LMK03328RHSR-ND",
      "mouser": "595-LMK03328RHSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:45:12Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LMK03328RHSR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-LMK03328RHSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "STATUS0",
        "type": "output",
        "description": "Status output 0, either open-drain (requires external pullup) or 3.3-V LVCMOS push-pull output from the synthesizer, with programmable signal selection and polarity."
      },
      {
        "number": "2",
        "name": "STATUS1",
        "type": "output",
        "description": "Status output 1, either open-drain (requires external pullup) or 3.3-V LVCMOS push-pull output from the synthesizer, with programmable signal selection and polarity."
      },
      {
        "number": "3",
        "name": "CAP_DIG",
        "type": "passive",
        "description": "External bypass capacitor for the digital blocks; attach 10 µF to GND."
      },
      {
        "number": "4",
        "name": "VDD_DIG",
        "type": "power_in",
        "description": "3.3-V power supply for digital control and STATUS outputs."
      },
      {
        "number": "5",
        "name": "VDD_IN",
        "type": "power_in",
        "description": "3.3-V power supply for the input block."
      },
      {
        "number": "6",
        "name": "PRIREF_P",
        "type": "input",
        "description": "Primary reference clock positive input accepting differential or single-ended signals, with internal AC-coupling capacitors and biasing; for LVCMOS input the non-driven pin must be pulled to ground."
      },
      {
        "number": "7",
        "name": "PRIREF_N",
        "type": "input",
        "description": "Primary reference clock negative input accepting differential or single-ended signals, with internal AC-coupling capacitors and biasing; for LVCMOS input the non-driven pin must be pulled to ground."
      },
      {
        "number": "8",
        "name": "REFSEL",
        "type": "input",
        "description": "3-state LVCMOS manual reference input selection for PLL1 and PLL2, with weak pullup resistor."
      },
      {
        "number": "9",
        "name": "HW_SW_CTRL",
        "type": "input",
        "description": "LVCMOS selection of Hard Pin Mode (ROM), Soft Pin Mode (EEPROM) or Register Default Mode, with weak pullup resistor."
      },
      {
        "number": "10",
        "name": "SECREF_P",
        "type": "input",
        "description": "Secondary reference clock positive input accepting differential, single-ended or crystal input; LVCMOS swing must be attenuated to less than 2.6 V and the non-driven pin pulled to ground; crystal must be AT-cut fundamental, pullable for fine margining."
      },
      {
        "number": "11",
        "name": "SECREF_N",
        "type": "input",
        "description": "Secondary reference clock negative input accepting differential, single-ended or crystal input; LVCMOS swing must be attenuated to less than 2.6 V and the non-driven pin pulled to ground."
      },
      {
        "number": "12",
        "name": "GPIO0",
        "type": "input",
        "description": "LVCMOS 2-state multifunction input (ROM page select in hard pin mode, active-low output synchronization in soft pin mode)."
      },
      {
        "number": "13",
        "name": "PDN",
        "type": "input",
        "description": "LVCMOS device power-down input, active low, with weak pullup resistor."
      },
      {
        "number": "14",
        "name": "OUT0_P",
        "type": "output",
        "description": "Positive side of programmable output pair 0, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "15",
        "name": "OUT0_N",
        "type": "output",
        "description": "Negative side of programmable output pair 0, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "16",
        "name": "OUT1_N",
        "type": "output",
        "description": "Negative side of programmable output pair 1, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "17",
        "name": "OUT1_P",
        "type": "output",
        "description": "Positive side of programmable output pair 1, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "18",
        "name": "VDDO_01",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT0/OUT1 channel."
      },
      {
        "number": "19",
        "name": "VDDO_23",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT2/OUT3 channel."
      },
      {
        "number": "20",
        "name": "OUT2_P",
        "type": "output",
        "description": "Positive side of programmable output pair 2, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "21",
        "name": "OUT2_N",
        "type": "output",
        "description": "Negative side of programmable output pair 2, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "22",
        "name": "OUT3_N",
        "type": "output",
        "description": "Negative side of programmable output pair 3, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "23",
        "name": "OUT3_P",
        "type": "output",
        "description": "Positive side of programmable output pair 3, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "24",
        "name": "GPIO1",
        "type": "input",
        "description": "LVCMOS multifunction input (3-state or 2-state); selects I2C target address LSBs in soft pin mode."
      },
      {
        "number": "25",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data (bidirectional, open-drain); requires an external pullup resistor to VDD_DIG, and the I2C target address is initialized from on-chip EEPROM."
      },
      {
        "number": "26",
        "name": "SCL",
        "type": "bidirectional",
        "description": "I2C serial clock (bidirectional, open-drain); requires an external pullup resistor to VDD_DIG."
      },
      {
        "number": "27",
        "name": "VDD_PLL2",
        "type": "power_in",
        "description": "3.3-V power supply for PLL2."
      },
      {
        "number": "28",
        "name": "CAP_PLL2",
        "type": "passive",
        "description": "External bypass capacitor for PLL2; attach 10 µF to GND."
      },
      {
        "number": "29",
        "name": "LF2",
        "type": "passive",
        "description": "External loop filter connection for PLL2."
      },
      {
        "number": "30",
        "name": "GPIO2",
        "type": "input",
        "description": "LVCMOS multifunction input (3-state or 2-state); EEPROM page select in soft pin mode."
      },
      {
        "number": "31",
        "name": "GPIO3",
        "type": "input",
        "description": "LVCMOS multifunction input (3-state or 2-state); EEPROM page select in soft pin mode."
      },
      {
        "number": "32",
        "name": "GPIO4",
        "type": "input",
        "description": "LVCMOS multifunction input (2-state); frequency margining enable in soft pin mode."
      },
      {
        "number": "33",
        "name": "GPIO5",
        "type": "input",
        "description": "Multifunction input (2-state) or analog input for frequency margin."
      },
      {
        "number": "34",
        "name": "LF1",
        "type": "passive",
        "description": "External loop filter connection for PLL1."
      },
      {
        "number": "35",
        "name": "CAP_PLL1",
        "type": "passive",
        "description": "External bypass capacitor for PLL1; attach 10 µF to GND."
      },
      {
        "number": "36",
        "name": "VDD_PLL1",
        "type": "power_in",
        "description": "3.3-V power supply for PLL1."
      },
      {
        "number": "37",
        "name": "VDDO_4",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT4 channel."
      },
      {
        "number": "38",
        "name": "OUT4_N",
        "type": "output",
        "description": "Negative side of programmable output pair 4, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "39",
        "name": "OUT4_P",
        "type": "output",
        "description": "Positive side of programmable output pair 4, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "40",
        "name": "VDDO_5",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT5 channel."
      },
      {
        "number": "41",
        "name": "OUT5_N",
        "type": "output",
        "description": "Negative side of programmable output pair 5, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "42",
        "name": "OUT5_P",
        "type": "output",
        "description": "Positive side of programmable output pair 5, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "43",
        "name": "VDDO_6",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT6 channel."
      },
      {
        "number": "44",
        "name": "OUT6_N",
        "type": "output",
        "description": "Negative side of programmable output pair 6, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "45",
        "name": "OUT6_P",
        "type": "output",
        "description": "Positive side of programmable output pair 6, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "46",
        "name": "VDDO_7",
        "type": "power_in",
        "description": "1.8-V, 2.5-V or 3.3-V power supply for the OUT7 channel."
      },
      {
        "number": "47",
        "name": "OUT7_N",
        "type": "output",
        "description": "Negative side of programmable output pair 7, differential or 2x 1.8-V LVCMOS."
      },
      {
        "number": "48",
        "name": "OUT7_P",
        "type": "output",
        "description": "Positive side of programmable output pair 7, differential or 2x 1.8-V LVCMOS."
      },
      {
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives no pin number for the die attach pad (shown as '—'). I labeled it 'EP'. Confirm ; The datasheet lists the type as Universal or LVCMOS. It does not give a KiCad ERC class, so the clas"
        ],
        "pages_sent": 39,
        "cost_usd": 0.1326,
        "at": "2026-10-23T03:45:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmk03328",
        "pages": 146,
        "sha256": "ba27dc3fc0d69fa7",
        "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": "lmk03328rhsr.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lmk03328rhsr-etched.step",
        "role": "eda",
        "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": "8e4b2ee418b4052cb9d9250100c050d7ed46d9963f3fca369177f8696ec6d8a1",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}