component
LMK04808BISQX
Public Made by Adomby adom
Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, WQFN-64-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "lmk04808bisqx",
"title": "LMK04808BISQX",
"brief": "Texas Instruments Clock Generators, PLLs, Frequency Synthesizers, WQFN-64-EP(9x9). 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-timing",
"lmk04808bisqx",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LMK04808BISQX",
"manufacturer": "Texas Instruments",
"package": "WQFN-64-EP(9x9)",
"pin_count": 65,
"category": "Clock/Timing",
"subcategory": "Clock Generators, PLLs, Frequency Synthesizers",
"datasheet": "https://www.ti.com/cn/lit/gpn/lmk04803",
"parts": {
"symbol": "lmk04808bisqx.kicad_sym",
"footprint": "lmk04808bisqx.kicad_mod",
"model_3d": "lmk04808bisqx-hero.glb",
"model_3d_plain": "lmk04808bisqx.glb",
"model_3d_step": "lmk04808bisqx-etched.step",
"model_3d_step_plain": "lmk04808bisqx.step",
"lbr": "lmk04808bisqx.lbr"
},
"distributor_links": {
"lcsc": "C1537510"
},
"distributor_check": {
"checked_at": "2026-10-07T08:54:43Z",
"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)."
},
{
"number": "2",
"name": "CLKout0*",
"type": "output",
"description": "Programmable clock output 0 complement (clock group 0)."
},
{
"number": "3",
"name": "CLKout1*",
"type": "output",
"description": "Programmable clock output 1 complement (clock group 0)."
},
{
"number": "4",
"name": "CLKout1",
"type": "output",
"description": "Programmable clock output 1 (clock group 0)."
},
{
"number": "5",
"name": "NC",
"type": "unconnected",
"description": "No connection; must be left floating."
},
{
"number": "6",
"name": "SYNC",
"type": "bidirectional",
"description": "Programmable clock output synchronization input or programmable status pin."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connection; must be left floating."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No connection; must be left floating."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connection; must be left floating."
},
{
"number": "10",
"name": "Vcc1",
"type": "power_in",
"description": "Power supply for VCO LDO regulator."
},
{
"number": "11",
"name": "LDObyp1",
"type": "passive",
"description": "LDO bypass pin; bypass to ground with 10 µF capacitor."
},
{
"number": "12",
"name": "LDObyp2",
"type": "passive",
"description": "LDO bypass pin; bypass to ground with 0.1 µF capacitor."
},
{
"number": "13",
"name": "CLKout2",
"type": "output",
"description": "Programmable clock output 2 (clock group 1)."
},
{
"number": "14",
"name": "CLKout2*",
"type": "output",
"description": "Programmable clock output 2 complement (clock group 1)."
},
{
"number": "15",
"name": "CLKout3*",
"type": "output",
"description": "Programmable clock output 3 complement (clock group 1)."
},
{
"number": "16",
"name": "CLKout3",
"type": "output",
"description": "Programmable clock output 3 (clock group 1)."
},
{
"number": "17",
"name": "Vcc2",
"type": "power_in",
"description": "Power supply for clock group 1 outputs (CLKout2 and CLKout3)."
},
{
"number": "18",
"name": "Vcc3",
"type": "power_in",
"description": "Power supply for clock group 2 outputs (CLKout4 and CLKout5)."
},
{
"number": "19",
"name": "CLKout4",
"type": "output",
"description": "Programmable clock output 4 (clock group 2)."
},
{
"number": "20",
"name": "CLKout4*",
"type": "output",
"description": "Programmable clock output 4 complement (clock group 2)."
},
{
"number": "21",
"name": "CLKout5*",
"type": "output",
"description": "Programmable clock output 5 complement (clock group 2)."
},
{
"number": "22",
"name": "CLKout5",
"type": "output",
"description": "Programmable clock output 5 (clock group 2)."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Ground connection."
},
{
"number": "24",
"name": "Vcc4",
"type": "power_in",
"description": "Power supply for digital circuitry."
},
{
"number": "25",
"name": "FBCLKin/Fin/CLKin1",
"type": "input",
"description": "Reference clock input port 1 for PLL1 (AC or DC coupled); functions as feedback input in 0-delay mode or external VCO input."
},
{
"number": "26",
"name": "FBCLKin*/Fin*/CLKin1*",
"type": "input",
"description": "Reference clock input port 1 complement for PLL1 (AC or DC coupled)."
},
{
"number": "27",
"name": "Status_Holdover",
"type": "bidirectional",
"description": "Programmable status pin; default readback output, programmable as holdover mode indicator."
},
{
"number": "28",
"name": "CLKin0",
"type": "input",
"description": "Reference clock input port 0 for PLL1 (AC or DC coupled)."
},
{
"number": "29",
"name": "CLKin0*",
"type": "input",
"description": "Reference clock input port 0 complement for PLL1 (AC or DC coupled)."
},
{
"number": "30",
"name": "Vcc5",
"type": "power_in",
"description": "Power supply for clock inputs and OSCout1 output."
},
{
"number": "31",
"name": "OSCout1",
"type": "output",
"description": "LVPECL buffered output 1 from oscillator input port."
},
{
"number": "32",
"name": "OSCout1*",
"type": "output",
"description": "LVPECL buffered output 1 complement from oscillator input port."
},
{
"number": "33",
"name": "Status_LD",
"type": "bidirectional",
"description": "Programmable status pin; default lock detect for PLL1 and PLL2."
},
{
"number": "34",
"name": "CPout1",
"type": "output",
"description": "Charge pump 1 output for PLL1 loop filter."
},
{
"number": "35",
"name": "Vcc6",
"type": "power_in",
"description": "Power supply for PLL1 and charge pump 1."
},
{
"number": "36",
"name": "OSCin",
"type": "input",
"description": "Oscillator input for feedback to PLL1 and reference to PLL2 (AC coupled)."
},
{
"number": "37",
"name": "OSCin*",
"type": "input",
"description": "Oscillator input complement for feedback to PLL1 and reference to PLL2 (AC coupled)."
},
{
"number": "38",
"name": "Vcc7",
"type": "power_in",
"description": "Power supply for oscillator input, OSCout0 output, and PLL2 circuitry."
},
{
"number": "39",
"name": "OSCout0",
"type": "output",
"description": "Programmable buffered output 0 from oscillator input port."
},
{
"number": "40",
"name": "OSCout0*",
"type": "output",
"description": "Programmable buffered output 0 complement from oscillator input port."
},
{
"number": "41",
"name": "Vcc8",
"type": "power_in",
"description": "Power supply for PLL2 and charge pump 2."
},
{
"number": "42",
"name": "CPout2",
"type": "output",
"description": "Charge pump 2 output for PLL2 loop filter."
},
{
"number": "43",
"name": "Vcc9",
"type": "power_in",
"description": "Power supply for PLL2."
},
{
"number": "44",
"name": "LEuWire",
"type": "input",
"description": "MICROWIRE interface latch enable input (CMOS logic level)."
},
{
"number": "45",
"name": "CLKuWire",
"type": "input",
"description": "MICROWIRE interface clock input (CMOS logic level)."
},
{
"number": "46",
"name": "DATAuWire",
"type": "input",
"description": "MICROWIRE interface data input (CMOS logic level)."
},
{
"number": "47",
"name": "Vcc10",
"type": "power_in",
"description": "Power supply for clock group 3 outputs (CLKout6 and CLKout7)."
},
{
"number": "48",
"name": "CLKout6",
"type": "output",
"description": "Programmable clock output 6 (clock group 3)."
},
{
"number": "49",
"name": "CLKout6*",
"type": "output",
"description": "Programmable clock output 6 complement (clock group 3)."
},
{
"number": "50",
"name": "CLKout7*",
"type": "output",
"description": "Programmable clock output 7 complement (clock group 3)."
},
{
"number": "51",
"name": "CLKout7",
"type": "output",
"description": "Programmable clock output 7 (clock group 3)."
},
{
"number": "52",
"name": "Vcc11",
"type": "power_in",
"description": "Power supply for clock group 4 outputs (CLKout8 and CLKout9)."
},
{
"number": "53",
"name": "CLKout8",
"type": "output",
"description": "Programmable clock output 8 (clock group 4)."
},
{
"number": "54",
"name": "CLKout8*",
"type": "output",
"description": "Programmable clock output 8 complement (clock group 4)."
},
{
"number": "55",
"name": "CLKout9*",
"type": "output",
"description": "Programmable clock output 9 complement (clock group 4)."
},
{
"number": "56",
"name": "CLKout9",
"type": "output",
"description": "Programmable clock output 9 (clock group 4)."
},
{
"number": "57",
"name": "Vcc12",
"type": "power_in",
"description": "Power supply for clock group 5 outputs (CLKout10 and CLKout11)."
},
{
"number": "58",
"name": "CLKout10",
"type": "output",
"description": "Programmable clock output 10 (clock group 5)."
},
{
"number": "59",
"name": "CLKout10*",
"type": "output",
"description": "Programmable clock output 10 complement (clock group 5)."
},
{
"number": "60",
"name": "CLKout11*",
"type": "output",
"description": "Programmable clock output 11 complement (clock group 5)."
},
{
"number": "61",
"name": "CLKout11",
"type": "output",
"description": "Programmable clock output 11 (clock group 5)."
},
{
"number": "62",
"name": "Status_CLKin0",
"type": "bidirectional",
"description": "Programmable status pin; default input for PLL1 reference clock selection, indicates CLKin0 loss-of-signal."
},
{
"number": "63",
"name": "Status_CLKin1",
"type": "bidirectional",
"description": "Programmable status pin; default input for PLL1 reference clock selection, indicates CLKin1 loss-of-signal."
},
{
"number": "64",
"name": "Vcc13",
"type": "power_in",
"description": "Power supply for clock group 0 outputs (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-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [
"exposed pad 65 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 59,
"cost_usd": 0.4409,
"at": "2026-10-07T08:54:25"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/lmk04803",
"pages": 140,
"sha256": "6746c180de60df80",
"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"
},
"models_3d": [
{
"file": "lmk04808bisqx.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "dce07a86ec3fe3ca87eebdff13827f55e036ced5518fee01f85cec4a3f56366d",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lmk04808bisqx-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
9,
9,
0.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "9e8ba63586ec73469cc75553b20eec7220c6826369fd21ec1347a58384a2189b",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-64-EP(9x9)",
"Category": "Clock/Timing",
"Pins": "65"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lmk04808bisqx"
],
"discovery_pitch": "LMK04808BISQX (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",
"lmk04808bisqx.kicad_sym",
"lmk04808bisqx.kicad_mod",
"lmk04808bisqx.glb",
"lmk04808bisqx.step",
"lmk04808bisqx.lbr",
"docs/hero.png",
"docs/lmk04808bisqx-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lmk04808bisqx-hero.glb",
"lmk04808bisqx-hero.overlay.json"
],
"visibility": {
"public": true
}
}