component
MAX487CUA+T-TUDI
Public Made by Adomby adom
Tudi RS-485 / RS-422 ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192
{
"slug": "max487cua-t-tudi",
"version": "0.1.0",
"type": "component",
"description": "Tudi RS-485 / RS-422 ICs, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"interface",
"max487cua+t-tudi",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"max487cua-t-tudi.kicad_sym",
"max487cua-t-tudi.kicad_mod",
"max487cua-t-tudi.glb",
"max487cua-t-tudi.step",
"max487cua-t-tudi.lbr",
"docs/hero.png",
"docs/max487cua-t-tudi-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"max487cua-t-tudi-hero.glb",
"max487cua-t-tudi-hero.overlay.json",
"max487cua-t-tudi-etched.glb"
],
"component": {
"mpn": "MAX487CUA+T-TUDI",
"manufacturer": "Tudi",
"package": "MSOP-8",
"pin_count": 8,
"category": "Interface",
"subcategory": "RS-485 / RS-422 ICs",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436256005255168",
"parts": {
"symbol": "max487cua-t-tudi.kicad_sym",
"footprint": "max487cua-t-tudi.kicad_mod",
"model_3d": "max487cua-t-tudi-hero.glb",
"model_3d_plain": "max487cua-t-tudi-etched.glb",
"model_3d_step": "max487cua-t-tudi-etched.step",
"model_3d_step_plain": "max487cua-t-tudi.step",
"lbr": "max487cua-t-tudi.lbr"
},
"distributor_links": {
"lcsc": "C42372969"
},
"distributor_check": {
"checked_at": "2026-10-19T09:48:25Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "error"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "RO",
"type": "output",
"description": "Receiver output: when /RE is low, RO is high if A-B ≥ -50mV and low if A-B ≤ -200mV."
},
{
"number": "2",
"name": "/RE",
"type": "input",
"description": "Receiver output enable, active low: low enables RO, high puts RO in high impedance; with /RE high and DE low the device enters low-power shutdown."
},
{
"number": "3",
"name": "DE",
"type": "input",
"description": "Driver output enable: high enables the driver outputs, low puts them in high impedance; with /RE high and DE low the device enters low-power shutdown."
},
{
"number": "4",
"name": "DI",
"type": "input",
"description": "Driver input: with DE high, a low on DI drives A low and B high, and a high on DI drives A high and B low."
},
{
"number": "5",
"name": "GND",
"type": "power_in",
"description": "Ground reference for all voltages on the device."
},
{
"number": "6",
"name": "A",
"type": "bidirectional",
"description": "Non-inverting receiver input and non-inverting driver output (bus line A)."
},
{
"number": "7",
"name": "B",
"type": "bidirectional",
"description": "Inverting receiver input and inverting driver output (bus line B)."
},
{
"number": "8",
"name": "VCC",
"type": "power_in",
"description": "Supply pin; operating supply range is 4.75 V to 5.25 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 is a Chinese-language MAX487 copy whose header lists MSOP8 and whose features mention ; The MPN suffix 'MAX487CUA+T-TUDI' (CUA = MSOP code, +T = tape and reel) is not mentioned anywhere in; Pin 6 and pin 7 are typed as bidirectional because they serve as both receiver inputs and driver out"
],
"pages_sent": 10,
"cost_usd": 0.0371,
"at": "2026-10-19T09:48:10"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604436256005255168",
"pages": 10,
"sha256": "82811daa89709647",
"source_tier": "lcsc"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 8,
"described": 8,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "max487cua-t-tudi.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.9,
3.0,
0.95
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "max487cua-t-tudi-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
4.9,
3.0,
0.95
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "c2a231f08f90b593fd3bfa82e1d1bc2ee2ab7de0c8ce89e8a4379a6ab0cf366d",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}