component
RS540TXTSS20-G
Public Made by Adomby adom
Jiangsu RUNIC Tech Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "rs540txtss20-g",
"version": "0.1.0",
"type": "component",
"description": "Jiangsu RUNIC Tech Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"rs540txtss20-g",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"rs540txtss20-g.kicad_sym",
"rs540txtss20-g.kicad_mod",
"rs540txtss20-g.glb",
"rs540txtss20-g.step",
"rs540txtss20-g.lbr",
"docs/hero.png",
"docs/rs540txtss20-g-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"rs540txtss20-g-hero.glb",
"rs540txtss20-g-hero.overlay.json",
"rs540txtss20-g-etched.glb"
],
"component": {
"mpn": "RS540TXTSS20-G",
"manufacturer": "Jiangsu RUNIC Tech",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931308141101056",
"parts": {
"symbol": "rs540txtss20-g.kicad_sym",
"footprint": "rs540txtss20-g.kicad_mod",
"model_3d": "rs540txtss20-g-hero.glb",
"model_3d_plain": "rs540txtss20-g-etched.glb",
"model_3d_step": "rs540txtss20-g-etched.step",
"model_3d_step_plain": "rs540txtss20-g.step",
"lbr": "rs540txtss20-g.lbr"
},
"distributor_links": {
"lcsc": "C20611900"
},
"distributor_check": {
"checked_at": "2026-10-18T13:12:10Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "OE1",
"type": "input",
"description": "Active-low output enable; pull OE1 high to place all outputs in the 3-state (high-impedance) mode."
},
{
"number": "2",
"name": "A0",
"type": "input",
"description": "Data input for channel 0; recommended input voltage range is 0 V to 5.5 V and the output Y0 is its inverse."
},
{
"number": "3",
"name": "A1",
"type": "input",
"description": "Data input for channel 1; recommended input voltage range is 0 V to 5.5 V and the output Y1 is its inverse."
},
{
"number": "4",
"name": "A2",
"type": "input",
"description": "Data input for channel 2; recommended input voltage range is 0 V to 5.5 V and the output Y2 is its inverse."
},
{
"number": "5",
"name": "A3",
"type": "input",
"description": "Data input for channel 3; recommended input voltage range is 0 V to 5.5 V and the output Y3 is its inverse."
},
{
"number": "6",
"name": "A4",
"type": "input",
"description": "Data input for channel 4; recommended input voltage range is 0 V to 5.5 V and the output Y4 is its inverse."
},
{
"number": "7",
"name": "A5",
"type": "input",
"description": "Data input for channel 5; recommended input voltage range is 0 V to 5.5 V and the output Y5 is its inverse."
},
{
"number": "8",
"name": "A6",
"type": "input",
"description": "Data input for channel 6; recommended input voltage range is 0 V to 5.5 V and the output Y6 is its inverse."
},
{
"number": "9",
"name": "A7",
"type": "input",
"description": "Data input for channel 7; recommended input voltage range is 0 V to 5.5 V and the output Y7 is its inverse."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "Y7",
"type": "output",
"description": "Inverting data output of channel 7 (complement of A7); goes high-impedance when either output enable is high."
},
{
"number": "12",
"name": "Y6",
"type": "output",
"description": "Inverting data output of channel 6 (complement of A6); goes high-impedance when either output enable is high."
},
{
"number": "13",
"name": "Y5",
"type": "output",
"description": "Inverting data output of channel 5 (complement of A5); goes high-impedance when either output enable is high."
},
{
"number": "14",
"name": "Y4",
"type": "output",
"description": "Inverting data output of channel 4 (complement of A4); goes high-impedance when either output enable is high."
},
{
"number": "15",
"name": "Y3",
"type": "output",
"description": "Inverting data output of channel 3 (complement of A3); goes high-impedance when either output enable is high."
},
{
"number": "16",
"name": "Y2",
"type": "output",
"description": "Inverting data output of channel 2 (complement of A2); goes high-impedance when either output enable is high."
},
{
"number": "17",
"name": "Y1",
"type": "output",
"description": "Inverting data output of channel 1 (complement of A1); goes high-impedance when either output enable is high."
},
{
"number": "18",
"name": "Y0",
"type": "output",
"description": "Inverting data output of channel 0 (complement of A0); goes high-impedance when either output enable is high."
},
{
"number": "19",
"name": "OE2",
"type": "input",
"description": "Active-low output enable; pull OE2 high to place all outputs in the 3-state (high-impedance) mode."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, specified from 2.0 V to 5.5 V."
}
],
"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: The datasheet text prints OE1 and OE2 with an overbar (active-low). Name is given without the overba; Output names are printed with an overbar (Y̅0..Y̅7) in the datasheet, but the function is an inverti; The pin-configuration drawing text is scrambled in extraction, so the pin-to-number mapping was take"
],
"pages_sent": 16,
"cost_usd": 0.0621,
"at": "2026-10-18T13:09:48"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590931308141101056",
"pages": 16,
"sha256": "63fa0e32435d6e88",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
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"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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6.5,
1.2
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
"checked": "2026-10-18",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "rs540txtss20-g-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
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6.5,
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],
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"sha256": "0c18559179b22943c1798e66d9233967e1c4a22e07bca97a7755ea4ce9682092",
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}
}