component
ISL3243EIRZ-T
Public Made by Adomby adom
RENESAS 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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{
"schema_version": 1,
"type": "component",
"slug": "isl3243eirz-t",
"title": "ISL3243EIRZ-T",
"brief": "RENESAS Pre-ordered Chips, QFN-32-EP(5x5). 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",
"interface ics",
"isl3243eirz-t",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "ISL3243EIRZ-T",
"manufacturer": "RENESAS",
"package": "QFN-32-EP(5x5)",
"pin_count": 33,
"category": "Interface ICs",
"subcategory": "Pre-ordered Chips",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/46ae41c27d789580ba56ef0a93359241.pdf",
"parts": {
"symbol": "isl3243eirz-t.kicad_sym",
"footprint": "isl3243eirz-t.kicad_mod",
"model_3d": "isl3243eirz-t-hero.glb",
"model_3d_plain": "isl3243eirz-t-etched.glb",
"model_3d_step": "isl3243eirz-t-etched.step",
"model_3d_step_plain": "isl3243eirz-t.step",
"lbr": "isl3243eirz-t.lbr"
},
"distributor_links": {
"lcsc": "C2672193",
"digikey": "20-ISL3243EIRZ-TTR-ND",
"mouser": "968-ISL3243EIRZ-T"
},
"distributor_check": {
"checked_at": "2026-10-31T12:23:05Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "20-ISL3243EIRZ-TTR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "968-ISL3243EIRZ-T",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "R1IN",
"type": "input",
"description": "±15kV ESD protected, RS-232 compatible receiver 1 input."
},
{
"number": "2",
"name": "R2IN",
"type": "input",
"description": "±15kV ESD protected, RS-232 compatible receiver 2 input."
},
{
"number": "3",
"name": "R3IN",
"type": "input",
"description": "±15kV ESD protected, RS-232 compatible receiver 3 input."
},
{
"number": "4",
"name": "R4IN",
"type": "input",
"description": "±15kV ESD protected, RS-232 compatible receiver 4 input."
},
{
"number": "5",
"name": "R5IN",
"type": "input",
"description": "±15kV ESD protected, RS-232 compatible receiver 5 input."
},
{
"number": "6",
"name": "T1OUT",
"type": "output",
"description": "±15kV ESD protected, RS-232 level (nominally ±5.5V) transmitter 1 output."
},
{
"number": "7",
"name": "T2OUT",
"type": "output",
"description": "±15kV ESD protected, RS-232 level (nominally ±5.5V) transmitter 2 output."
},
{
"number": "8",
"name": "T3OUT",
"type": "output",
"description": "±15kV ESD protected, RS-232 level (nominally ±5.5V) transmitter 3 output."
},
{
"number": "9",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "10",
"name": "T3IN",
"type": "input",
"description": "TTL/CMOS compatible transmitter 3 input; the VL voltage sets the input switching point."
},
{
"number": "11",
"name": "T2IN",
"type": "input",
"description": "TTL/CMOS compatible transmitter 2 input; the VL voltage sets the input switching point."
},
{
"number": "12",
"name": "T1IN",
"type": "input",
"description": "TTL/CMOS compatible transmitter 1 input; the VL voltage sets the input switching point."
},
{
"number": "13",
"name": "R5OUT",
"type": "output",
"description": "TTL/CMOS level receiver 5 output, swings between GND and VL."
},
{
"number": "14",
"name": "R4OUT",
"type": "output",
"description": "TTL/CMOS level receiver 4 output, swings between GND and VL."
},
{
"number": "15",
"name": "R3OUT",
"type": "output",
"description": "TTL/CMOS level receiver 3 output, swings between GND and VL."
},
{
"number": "16",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "17",
"name": "R2OUT",
"type": "output",
"description": "TTL/CMOS level receiver 2 output, swings between GND and VL."
},
{
"number": "18",
"name": "R1OUT",
"type": "output",
"description": "TTL/CMOS level receiver 1 output, swings between GND and VL."
},
{
"number": "19",
"name": "R2OUTB",
"type": "output",
"description": "TTL/CMOS level, noninverting, always enabled receiver output, swings between GND and VL."
},
{
"number": "20",
"name": "INVALID",
"type": "output",
"description": "Active low output indicating no valid RS-232 levels are present on any receiver input; swings between GND and VL."
},
{
"number": "21",
"name": "FORCEOFF",
"type": "input",
"description": "Active low input to shut down transmitters and on-chip power supply, overriding automatic circuitry and FORCEON; the VL voltage sets the input switching point."
},
{
"number": "22",
"name": "FORCEON",
"type": "input",
"description": "Active high input to override automatic powerdown and keep transmitters active (FORCEOFF must be high); the VL voltage sets the input switching point."
},
{
"number": "23",
"name": "C1-",
"type": "passive",
"description": "External voltage doubler capacitor connection."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Ground connection, also the potential of the thermal pad."
},
{
"number": "25",
"name": "VL",
"type": "power_in",
"description": "Logic power supply setting VOH of logic outputs and switching point of logic inputs; keep greater than 1.6V and less than or equal to VCC, and power up after VCC if not tied to it."
},
{
"number": "26",
"name": "VCC",
"type": "power_in",
"description": "System power supply input (2.7V to 3.6V)."
},
{
"number": "27",
"name": "V+",
"type": "power_out",
"description": "Internally generated positive transmitter supply (typically +5.5V)."
},
{
"number": "28",
"name": "C1+",
"type": "passive",
"description": "External voltage doubler capacitor connection."
},
{
"number": "29",
"name": "C2+",
"type": "passive",
"description": "External voltage inverter capacitor connection."
},
{
"number": "30",
"name": "C2-",
"type": "passive",
"description": "External voltage inverter capacitor connection."
},
{
"number": "31",
"name": "V-",
"type": "power_out",
"description": "Internally generated negative transmitter supply (typically -5.5V)."
},
{
"number": "32",
"name": "NC",
"type": "unconnected",
"description": "No connection."
},
{
"number": "33",
"name": "PAD",
"type": "power_in",
"description": "Exposed thermal pad; 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: R3OUT, R4OUT, R5OUT pin numbers (15, 14, 13) are not in the pin description table. They were read fr; The exposed pad has no pin number in the datasheet (printed as PAD). I assigned 33 as a placeholder.; The MPN suffix -T means tape and reel. It is the same 32 Ld 5x5 QFN (L32.5x5B) as ISL3243EIRZ.",
"1/33 pins cited to the wrong page (name found elsewhere): ['33:PAD@p3']"
],
"pages_sent": 6,
"cost_usd": 0.1148,
"at": "2026-10-31T12:22:47"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/46ae41c27d789580ba56ef0a93359241.pdf",
"pages": 16,
"sha256": "d050df620152f7e1",
"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": "isl3243eirz-t.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "isl3243eirz-t-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
5,
5,
0.875
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "2c759e06d7b21e36fdc381016d79f630b3bdef5a2dbbbb40b35960d060f49ca8",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "L32.5x5B",
"source_page": 16,
"D": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"E1": {
"nom_mm": 5,
"range_mm": [
null,
null
]
},
"e": {
"nom_mm": 0.5,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "isl3243eirz-t.step",
"verdict": "SKIP",
"reasons": [
"the datasheet dimensions give no height or body size to compare"
],
"by": "factory/package_fit.py"
}
}
},
"metadata": {
"specs": {
"Manufacturer": "RENESAS",
"Package": "QFN-32-EP(5x5)",
"Category": "Interface ICs",
"Pins": "33"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"isl3243eirz-t"
],
"discovery_pitch": "ISL3243EIRZ-T (RENESAS) 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",
"isl3243eirz-t.kicad_sym",
"isl3243eirz-t.kicad_mod",
"isl3243eirz-t.glb",
"isl3243eirz-t.step",
"isl3243eirz-t.lbr",
"docs/hero.png",
"docs/isl3243eirz-t-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"isl3243eirz-t-hero.glb",
"isl3243eirz-t-hero.overlay.json",
"isl3243eirz-t-etched.glb"
],
"visibility": {
"public": true
}
}