component
SN65HVD55DR
Public Made by Adomby adom
Texas Instruments RS-485/RS-422 ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278
{
"slug": "sn65hvd55dr",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments RS-485/RS-422 ICs, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"communication interface chip-uart-485-232",
"sn65hvd55dr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn65hvd55dr.kicad_sym",
"sn65hvd55dr.kicad_mod",
"sn65hvd55dr.glb",
"sn65hvd55dr.step",
"sn65hvd55dr.lbr",
"docs/hero.png",
"docs/sn65hvd55dr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sn65hvd55dr-hero.glb",
"sn65hvd55dr-hero.overlay.json",
"sn65hvd55dr-etched.glb"
],
"component": {
"mpn": "SN65HVD55DR",
"manufacturer": "Texas Instruments",
"package": "SOIC-14",
"pin_count": 14,
"category": "Communication Interface Chip/UART/485/232",
"subcategory": "RS-485/RS-422 ICs",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn65hvd55.pdf",
"parts": {
"symbol": "sn65hvd55dr.kicad_sym",
"footprint": "sn65hvd55dr.kicad_mod",
"model_3d": "sn65hvd55dr-hero.glb",
"model_3d_plain": "sn65hvd55dr-etched.glb",
"model_3d_step": "sn65hvd55dr-etched.step",
"model_3d_step_plain": "sn65hvd55dr.step",
"lbr": "sn65hvd55dr.lbr"
},
"distributor_links": {
"lcsc": "C2865813",
"digikey": "296-18709-2-ND",
"mouser": "595-SN65HVD55DR"
},
"distributor_check": {
"checked_at": "2026-10-31T00:36:44Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-18709-2-ND",
"status": "found"
},
"mouser": {
"pn": "595-SN65HVD55DR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "2",
"name": "R",
"type": "output",
"description": "Receiver output, driven according to the bus inputs A and B when the receiver is enabled (RE low), with 8 mA maximum high/low output current."
},
{
"number": "3",
"name": "RE",
"type": "input",
"description": "Active-low receiver enable; with DE low and RE high for 300 ns or more the device enters low-power standby mode."
},
{
"number": "4",
"name": "DE",
"type": "input",
"description": "Active-high driver enable; with DE low and RE high for 300 ns or more the device enters low-power standby mode."
},
{
"number": "5",
"name": "D",
"type": "input",
"description": "Driver data input; if left open when the driver is enabled, the driver outputs default to A high and B low."
},
{
"number": "6",
"name": "GND",
"type": "power_in",
"description": "Ground connection (network ground reference for all voltages except differential bus voltages)."
},
{
"number": "7",
"name": "GND",
"type": "power_in",
"description": "Ground connection (network ground reference for all voltages except differential bus voltages)."
},
{
"number": "8",
"name": "NC",
"type": "unconnected",
"description": "No internal connection."
},
{
"number": "9",
"name": "Y",
"type": "tri_state",
"description": "Non-inverting 3-state driver output on the bus, rated for -7 V to 12 V common-mode and up to 60 mA output current."
},
{
"number": "10",
"name": "Z",
"type": "tri_state",
"description": "Inverting 3-state driver output on the bus, rated for -7 V to 12 V common-mode and up to 60 mA output current."
},
{
"number": "11",
"name": "B",
"type": "input",
"description": "Inverting differential receiver input, operating over -7 V to 12 V with differential input up to ±12 V."
},
{
"number": "12",
"name": "A",
"type": "input",
"description": "Non-inverting differential receiver input, operating over -7 V to 12 V with differential input up to ±12 V."
},
{
"number": "13",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 4.5 V to 5.5 V recommended (absolute maximum 6 V)."
},
{
"number": "14",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 4.5 V to 5.5 V recommended (absolute maximum 6 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: Figure 6-2 text extraction lists the 14 pin names in order without explicit pin numbers. Numbers wer; The Figure 9-1 logic diagram labels pin numbers (4, 5, 9, 10, 11, 12, 2, 3) that do not match the Fi; The datasheet describes separate driver and receiver pins for full duplex but does not explicitly la"
],
"pages_sent": 11,
"cost_usd": 0.0629,
"at": "2026-10-31T00:36:25"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn65hvd55.pdf",
"pages": 35,
"sha256": "f0a968fd6764b7d7",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 14,
"described": 14,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
"symbol": "viewers/symbol.html",
"footprint": "viewers/footprint.html"
},
"models_3d": [
{
"file": "sn65hvd55dr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn65hvd55dr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.0,
8.7,
1.75
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "3f20bac7066940e9ec2b346ed6c8b77d372a275e993f57504de7fc1c9adfd59d",
"checked": "2026-10-31",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "D0014A",
"source_page": 29,
"D": {
"nom_mm": 8.65,
"range_mm": [
8.55,
8.75
]
},
"E1": {
"nom_mm": 3.9,
"range_mm": [
3.8,
4.0
]
},
"E": {
"nom_mm": 6.0,
"range_mm": [
5.8,
6.2
]
},
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"A": {
"nom_mm": 1.75,
"range_mm": [
null,
1.75
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "sn65hvd55dr.step",
"verdict": "PASS",
"reasons": [
"height and body within the datasheet's package drawing"
],
"by": "factory/package_fit.py"
}
}
}
}