component
SP3243EUER-L
Public Made by Adomby adom
MaxLinear Pre-ordered Chips, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "sp3243euer-l",
"version": "0.1.0",
"type": "component",
"description": "MaxLinear Pre-ordered Chips, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface ics",
"sp3243euer-l",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sp3243euer-l.kicad_sym",
"sp3243euer-l.kicad_mod",
"sp3243euer-l.glb",
"sp3243euer-l.step",
"sp3243euer-l.lbr",
"docs/hero.png",
"docs/sp3243euer-l-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sp3243euer-l-hero.glb",
"sp3243euer-l-hero.overlay.json",
"sp3243euer-l-etched.glb"
],
"component": {
"mpn": "SP3243EUER-L",
"manufacturer": "MaxLinear",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8fd01a68943ea615ac5a0c37b32b3b48.pdf",
"parts": {
"symbol": "sp3243euer-l.kicad_sym",
"footprint": "sp3243euer-l.kicad_mod",
"model_3d": "sp3243euer-l-hero.glb",
"model_3d_plain": "sp3243euer-l-etched.glb",
"model_3d_step": "sp3243euer-l-etched.step",
"model_3d_step_plain": "sp3243euer-l.step",
"lbr": "sp3243euer-l.lbr"
},
"distributor_links": {
"lcsc": "C2671824",
"digikey": "SP3243EUER-L-ND",
"mouser": "701-SP3243EUER-L"
},
"distributor_check": {
"checked_at": "2026-10-30T16:28:46Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "SP3243EUER-L-ND",
"status": "found",
"lifecycle": "Obsolete"
},
"mouser": {
"pn": "701-SP3243EUER-L",
"status": "found",
"lifecycle": "Obsolete"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "2",
"name": "R1IN",
"type": "input",
"description": "RS-232 receiver input."
},
{
"number": "3",
"name": "R2IN",
"type": "input",
"description": "RS-232 receiver input."
},
{
"number": "4",
"name": "R3IN",
"type": "input",
"description": "RS-232 receiver input."
},
{
"number": "5",
"name": "R4IN",
"type": "input",
"description": "RS-232 receiver input."
},
{
"number": "6",
"name": "R5IN",
"type": "input",
"description": "RS-232 receiver input."
},
{
"number": "7",
"name": "T1OUT",
"type": "output",
"description": "RS-232 driver output."
},
{
"number": "8",
"name": "T2OUT",
"type": "output",
"description": "RS-232 driver output."
},
{
"number": "9",
"name": "T3OUT",
"type": "output",
"description": "RS-232 driver output."
},
{
"number": "10",
"name": "T3IN",
"type": "input",
"description": "TTL/CMOS driver input."
},
{
"number": "11",
"name": "T2IN",
"type": "input",
"description": "TTL/CMOS driver input."
},
{
"number": "12",
"name": "T1IN",
"type": "input",
"description": "TTL/CMOS driver input."
},
{
"number": "13",
"name": "R5OUT",
"type": "output",
"description": "TTL/CMOS receiver output."
},
{
"number": "14",
"name": "R4OUT",
"type": "output",
"description": "TTL/CMOS receiver output."
},
{
"number": "15",
"name": "R3OUT",
"type": "output",
"description": "TTL/CMOS receiver output."
},
{
"number": "16",
"name": "R2OUT",
"type": "output",
"description": "TTL/CMOS receiver output."
},
{
"number": "17",
"name": "R1OUT",
"type": "output",
"description": "TTL/CMOS receiver output."
},
{
"number": "18",
"name": "R2OUT",
"type": "output",
"description": "Non-inverting receiver-2 output, active in shutdown."
},
{
"number": "19",
"name": "STATUS",
"type": "output",
"description": "TTL/CMOS output indicating online and shutdown status."
},
{
"number": "20",
"name": "SHUTDOWN",
"type": "input",
"description": "Apply logic LOW to shut down the driver and charge pump, overriding all AUTO-ONLINE circuitry and ONLINE."
},
{
"number": "21",
"name": "ONLINE",
"type": "input",
"description": "Apply logic HIGH to override AUTO-ONLINE circuitry keeping drivers active (SHUTDOWN must also be logic HIGH)."
},
{
"number": "22",
"name": "C1-",
"type": "passive",
"description": "Negative terminal of the voltage doubler charge-pump capacitor."
},
{
"number": "23",
"name": "GND",
"type": "power_in",
"description": "Ground."
},
{
"number": "24",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "25",
"name": "VCC",
"type": "power_in",
"description": "+3.0V to +5.5V supply voltage."
},
{
"number": "26",
"name": "V+",
"type": "power_out",
"description": "Regulated +5.5V output generated by the charge pump."
},
{
"number": "27",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "28",
"name": "C1+",
"type": "passive",
"description": "Positive terminal of the voltage doubler charge-pump capacitor."
},
{
"number": "29",
"name": "C2+",
"type": "passive",
"description": "Positive terminal of the inverting charge-pump capacitor."
},
{
"number": "30",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "31",
"name": "C2-",
"type": "passive",
"description": "Negative terminal of the inverting charge-pump capacitor."
},
{
"number": "32",
"name": "V-",
"type": "power_out",
"description": "Regulated -5.5V output generated by the charge pump."
},
{
"number": "33",
"name": "PAD",
"type": "passive",
"description": "Exposed thermal PAD on QFN package, recommended to connect to GND."
}
],
"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 lists two pins named R2OUT on the QFN. Pin 16 is the normal TTL/CMOS receiver output. ; The exposed pad has no pin number in the table (printed as '-'). I assigned '33' and typed it passiv; The pin table column is headed 'SP3243EUCR QFN', while the MPN ordered is SP3243EUER-L. Ordering inf",
"1/33 pins cited to the wrong page (name found elsewhere): ['33:PAD@p12']"
],
"pages_sent": 22,
"cost_usd": 0.1727,
"at": "2026-10-30T16:28:37"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/8fd01a68943ea615ac5a0c37b32b3b48.pdf",
"pages": 30,
"sha256": "ea4b22b2d3fb360a",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 33,
"described": 33,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sp3243euer-l.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sp3243euer-l-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5.0,
5.0,
0.875
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "83dc188f5ed7fb13e03c1e875af32b69767438513570e559a332aa161bfd0827",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}