component
LMK03033CISQE
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": "lmk03033cisqe",
"title": "LMK03033CISQE",
"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",
"rtc-clock chip",
"lmk03033cisqe",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "LMK03033CISQE",
"manufacturer": "Texas Instruments",
"package": "WQFN-48-EP(7x7)",
"pin_count": 49,
"category": "RTC/Clock Chip",
"subcategory": "Clock Generators / Frequency Synthesizers / PLL",
"datasheet": "https://www.ti.com/cn/lit/gpn/lmk03000",
"parts": {
"symbol": "lmk03033cisqe.kicad_sym",
"footprint": "lmk03033cisqe.kicad_mod",
"model_3d": "lmk03033cisqe-hero.glb",
"model_3d_plain": "lmk03033cisqe.glb",
"model_3d_step": "lmk03033cisqe-etched.step",
"model_3d_step_plain": "lmk03033cisqe.step",
"lbr": "lmk03033cisqe.lbr"
},
"distributor_links": {
"lcsc": "C1535857"
},
"distributor_check": {
"checked_at": "2026-10-11T03:51:17Z",
"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."
},
{
"number": "2",
"name": "Fout",
"type": "output",
"description": "Internal VCO frequency output, enabled only when the EN_Fout bit is set (default disabled)."
},
{
"number": "3",
"name": "Vcc1",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "4",
"name": "CLKuWire",
"type": "input",
"description": "MICROWIRE clock input."
},
{
"number": "5",
"name": "DATAuWire",
"type": "input",
"description": "MICROWIRE data input."
},
{
"number": "6",
"name": "LEuWire",
"type": "input",
"description": "MICROWIRE latch enable input."
},
{
"number": "7",
"name": "NC",
"type": "unconnected",
"description": "No connection to this pin."
},
{
"number": "8",
"name": "Vcc2",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "9",
"name": "LDObyp1",
"type": "passive",
"description": "LDO bypass pin, to be bypassed as described in the LDO bypass section."
},
{
"number": "10",
"name": "LDObyp2",
"type": "passive",
"description": "LDO bypass pin, to be bypassed as described in the LDO bypass section."
},
{
"number": "11",
"name": "GOE",
"type": "input",
"description": "Global output enable input; the datasheet gives no further limit for this pin."
},
{
"number": "12",
"name": "LD",
"type": "output",
"description": "Lock detect and test output; output mode is set by PLL_MUX[3:0] (default Hi-Z, disabled)."
},
{
"number": "13",
"name": "Vcc3",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "14",
"name": "CLKout0",
"type": "output",
"description": "LVDS clock output 0, true side."
},
{
"number": "15",
"name": "CLKout0*",
"type": "output",
"description": "LVDS clock output 0, complementary side."
},
{
"number": "16",
"name": "Vcc4",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "17",
"name": "CLKout1",
"type": "output",
"description": "LVDS clock output 1, true side."
},
{
"number": "18",
"name": "CLKout1*",
"type": "output",
"description": "LVDS clock output 1, complementary side."
},
{
"number": "19",
"name": "Vcc5",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "20",
"name": "CLKout2",
"type": "output",
"description": "LVDS clock output 2, true side."
},
{
"number": "21",
"name": "CLKout2*",
"type": "output",
"description": "LVDS clock output 2, complementary side."
},
{
"number": "22",
"name": "Vcc6",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "23",
"name": "CLKout3",
"type": "output",
"description": "Clock output 3, true side; LVDS for the LMK03033C per the pin table."
},
{
"number": "24",
"name": "CLKout3*",
"type": "output",
"description": "Clock output 3, complementary side; LVDS for the LMK03033C per the pin table."
},
{
"number": "25",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "26",
"name": "Vcc7",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "27",
"name": "SYNC*",
"type": "input",
"description": "Global clock output synchronization input."
},
{
"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; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "31",
"name": "Vcc9",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "32",
"name": "CPout",
"type": "output",
"description": "PLL charge pump output."
},
{
"number": "33",
"name": "Vcc10",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "34",
"name": "NC",
"type": "unconnected",
"description": "No connection to this pin."
},
{
"number": "35",
"name": "NC",
"type": "unconnected",
"description": "No connection to this pin."
},
{
"number": "36",
"name": "Bias",
"type": "passive",
"description": "Bias bypass pin."
},
{
"number": "37",
"name": "Vcc11",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "38",
"name": "CLKout4",
"type": "output",
"description": "LVPECL clock output 4, true side."
},
{
"number": "39",
"name": "CLKout4*",
"type": "output",
"description": "LVPECL clock output 4, complementary side."
},
{
"number": "40",
"name": "Vcc12",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "41",
"name": "CLKout5",
"type": "output",
"description": "LVPECL clock output 5, true side."
},
{
"number": "42",
"name": "CLKout5*",
"type": "output",
"description": "LVPECL clock output 5, complementary side."
},
{
"number": "43",
"name": "Vcc13",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "44",
"name": "CLKout6",
"type": "output",
"description": "LVPECL clock output 6, true side."
},
{
"number": "45",
"name": "CLKout6*",
"type": "output",
"description": "LVPECL clock output 6, complementary side."
},
{
"number": "46",
"name": "Vcc14",
"type": "power_in",
"description": "Power supply pin; VCC is 3.15 V to 3.45 V (3.3 V typical)."
},
{
"number": "47",
"name": "CLKout7",
"type": "output",
"description": "LVPECL clock output 7, true side."
},
{
"number": "48",
"name": "CLKout7*",
"type": "output",
"description": "LVPECL clock output 7, complementary side."
},
{
"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: Package variant: the addendum (page 40) lists LMK03033CISQE/NOPB as WQFN (RHS), 48 pins, 7.0 x 7.0 m; Pin table text for CLKout3/CLKout3* is garbled ('LVDS for LMK03033C/LMK03033 LVPECL for all other pa; Vcc1 to Vcc14 are mapped to pins 3, 8, 13, 16, 19, 22, 26, 30, 31, 33, 37, 40, 43, 46 by the order i",
"exposed pad 49 added from the footprint",
"dropped thermal pad ['EP'] absent from footprint"
],
"pages_sent": 13,
"cost_usd": 0.094,
"at": "2026-10-11T03:50:58"
},
"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": "lmk03033cisqe.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": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "lmk03033cisqe-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": "4bd2aa1d99376b82a1d04be4a288635b17d2ae4a8f7429224b4da3430bbe00c8",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "WQFN-48-EP(7x7)",
"Category": "RTC/Clock Chip",
"Pins": "49"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"lmk03033cisqe"
],
"discovery_pitch": "LMK03033CISQE (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",
"lmk03033cisqe.kicad_sym",
"lmk03033cisqe.kicad_mod",
"lmk03033cisqe.glb",
"lmk03033cisqe.step",
"lmk03033cisqe.lbr",
"docs/hero.png",
"docs/lmk03033cisqe-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"lmk03033cisqe-hero.glb",
"lmk03033cisqe-hero.overlay.json"
],
"visibility": {
"public": true
}
}