component
AiP74HCT245TA20.TR
Public Made by Adomby adom
Wuxi I-core Elec Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264
{
"slug": "aip74hct245ta20-tr",
"version": "0.1.0",
"type": "component",
"description": "Wuxi I-core Elec Buffers, Drivers, Receivers, Transceivers, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"aip74hct245ta20.tr",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"aip74hct245ta20-tr.kicad_sym",
"aip74hct245ta20-tr.kicad_mod",
"aip74hct245ta20-tr.glb",
"aip74hct245ta20-tr.step",
"aip74hct245ta20-tr.lbr",
"docs/hero.png",
"docs/aip74hct245ta20-tr-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"aip74hct245ta20-tr-hero.glb",
"aip74hct245ta20-tr-hero.overlay.json",
"aip74hct245ta20-tr-etched.glb"
],
"component": {
"mpn": "AiP74HCT245TA20.TR",
"manufacturer": "Wuxi I-core Elec",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Buffers, Drivers, Receivers, Transceivers",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756590524222312448",
"parts": {
"symbol": "aip74hct245ta20-tr.kicad_sym",
"footprint": "aip74hct245ta20-tr.kicad_mod",
"model_3d": "aip74hct245ta20-tr-hero.glb",
"model_3d_plain": "aip74hct245ta20-tr-etched.glb",
"model_3d_step": "aip74hct245ta20-tr-etched.step",
"model_3d_step_plain": "aip74hct245ta20-tr.step",
"lbr": "aip74hct245ta20-tr.lbr"
},
"distributor_links": {
"lcsc": "C5354847"
},
"distributor_check": {
"checked_at": "2026-10-22T16:18:57Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "DIR",
"type": "input",
"description": "Transfer direction control input: per the function table, with OE low, DIR low transfers B data to A and DIR high transfers A data to B."
},
{
"number": "2",
"name": "A0",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "3",
"name": "A1",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "4",
"name": "A2",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "5",
"name": "A3",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "6",
"name": "A4",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "7",
"name": "A5",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "8",
"name": "A6",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "9",
"name": "A7",
"type": "bidirectional",
"description": "Bidirectional data input/output of the A bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference, 0 V."
},
{
"number": "11",
"name": "B7",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "12",
"name": "B6",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "13",
"name": "B5",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "14",
"name": "B4",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "15",
"name": "B3",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "16",
"name": "B2",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "17",
"name": "B1",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "18",
"name": "B0",
"type": "bidirectional",
"description": "Bidirectional data input/output of the B bus; the output goes to high-impedance (Z) when OE is high."
},
{
"number": "19",
"name": "OE",
"type": "input",
"description": "Output enable input, active low; when driven high the outputs are placed in the high-impedance (Z) state."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; for AiP74HCT245 the recommended range is 4.5 V to 5.5 V (typ. 5.0 V), and the absolute maximum rating is -0.5 V to +7.0 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 pinout is taken from the 引脚说明 (pin description) table on page 7, which is the TSSOP20 numbering ; The datasheet gives no per-pin electrical limits for the A, B, DIR or OE pins; the pin descriptions ; The part is the AiP74HCT245TA20.TR, a TSSOP20 reel listed on page 5 (4000 pcs/reel). The HCT variant"
],
"pages_sent": 22,
"cost_usd": 0.079,
"at": "2026-10-22T16:14:03"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756590524222312448",
"pages": 22,
"sha256": "d0edadc0b13c66c2",
"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"
},
"models_3d": [
{
"file": "aip74hct245ta20-tr.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "aip74hct245ta20-tr-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "eff8ea8529a50cf0968340d453c2fc1df0bf6786aed523f69be2b90f64547876",
"checked": "2026-10-22",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}