component
LMK03328RHSR
Public Made by Adomby adom
Texas Instruments Clock Generators / Frequency Synthesizers / PLL, WQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lmk03328rhsr",
"title": "LMK03328RHSR",
"brief": "Texas Instruments Clock Generators / Frequency Synthesizers / PLL, WQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"clock and timing",
"lmk03328rhsr",
"factory-2.0.0",
"extractor-text"
],
"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,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 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": [
7,
7,
0.77
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "8e4b2ee418b4052cb9d9250100c050d7ed46d9963f3fca369177f8696ec6d8a1",
"checked": "2026-10-23",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-48-EP(7x7)",
"Category": "Clock and Timing",
"Pins": "49"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lmk03328rhsr"
],
"discovery_pitch": "LMK03328RHSR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"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"
],
"visibility": {
"public": true
}
}