component
AIP74HC244SA.TB
Public Made by Adomby adom
Wuxi I-core Elec Buffer/Driver/Transceiver, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284
{
"slug": "aip74hc244sa-tb",
"version": "0.1.0",
"type": "component",
"description": "Wuxi I-core Elec Buffer/Driver/Transceiver, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic ics",
"aip74hc244sa.tb",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"aip74hc244sa-tb.kicad_sym",
"aip74hc244sa-tb.kicad_mod",
"aip74hc244sa-tb.glb",
"aip74hc244sa-tb.step",
"aip74hc244sa-tb.lbr",
"docs/hero.png",
"docs/aip74hc244sa-tb-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"aip74hc244sa-tb-hero.glb",
"aip74hc244sa-tb-hero.overlay.json",
"aip74hc244sa-tb-etched.glb"
],
"component": {
"mpn": "AIP74HC244SA.TB",
"manufacturer": "Wuxi I-core Elec",
"package": "SOP-20-300mil",
"pin_count": 20,
"category": "Logic ICs",
"subcategory": "Buffer/Driver/Transceiver",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/83146a3fea570614099fedfc4872f20f.pdf",
"parts": {
"symbol": "aip74hc244sa-tb.kicad_sym",
"footprint": "aip74hc244sa-tb.kicad_mod",
"model_3d": "aip74hc244sa-tb-hero.glb",
"model_3d_plain": "aip74hc244sa-tb-etched.glb",
"model_3d_step": "aip74hc244sa-tb-etched.step",
"model_3d_step_plain": "aip74hc244sa-tb.step",
"lbr": "aip74hc244sa-tb.lbr"
},
"distributor_links": {
"lcsc": "C2943293"
},
"distributor_check": {
"checked_at": "2026-10-30T11:56:27Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "no match"
},
"mouser": {
"pn": null,
"status": "no match"
}
},
"pins": [
{
"number": "1",
"name": "1OE",
"type": "input",
"description": "Output enable input for the 1Y outputs, active LOW; a HIGH puts them in high-impedance OFF-state."
},
{
"number": "2",
"name": "1A0",
"type": "input",
"description": "Data input 0 of bank 1."
},
{
"number": "3",
"name": "2Y0",
"type": "tri_state",
"description": "Bus output 0 of bank 2 (3-state, non-inverting)."
},
{
"number": "4",
"name": "1A1",
"type": "input",
"description": "Data input 1 of bank 1."
},
{
"number": "5",
"name": "2Y1",
"type": "tri_state",
"description": "Bus output 1 of bank 2 (3-state, non-inverting)."
},
{
"number": "6",
"name": "1A2",
"type": "input",
"description": "Data input 2 of bank 1."
},
{
"number": "7",
"name": "2Y2",
"type": "tri_state",
"description": "Bus output 2 of bank 2 (3-state, non-inverting)."
},
{
"number": "8",
"name": "1A3",
"type": "input",
"description": "Data input 3 of bank 1."
},
{
"number": "9",
"name": "2Y3",
"type": "tri_state",
"description": "Bus output 3 of bank 2 (3-state, non-inverting)."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground (0 V)."
},
{
"number": "11",
"name": "2A3",
"type": "input",
"description": "Data input 3 of bank 2."
},
{
"number": "12",
"name": "1Y3",
"type": "tri_state",
"description": "Bus output 3 of bank 1 (3-state, non-inverting)."
},
{
"number": "13",
"name": "2A2",
"type": "input",
"description": "Data input 2 of bank 2."
},
{
"number": "14",
"name": "1Y2",
"type": "tri_state",
"description": "Bus output 2 of bank 1 (3-state, non-inverting)."
},
{
"number": "15",
"name": "2A1",
"type": "input",
"description": "Data input 1 of bank 2."
},
{
"number": "16",
"name": "1Y1",
"type": "tri_state",
"description": "Bus output 1 of bank 1 (3-state, non-inverting)."
},
{
"number": "17",
"name": "2A0",
"type": "input",
"description": "Data input 0 of bank 2."
},
{
"number": "18",
"name": "1Y0",
"type": "tri_state",
"description": "Bus output 0 of bank 1 (3-state, non-inverting)."
},
{
"number": "19",
"name": "2OE",
"type": "input",
"description": "Output enable input for the 2Y outputs, active LOW; a HIGH puts them in high-impedance OFF-state."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 2.0 V to 6.0 V for AiP74HC244 (absolute maximum 7.0 V)."
}
],
"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: Pin table is a single 20-pin list for DIP20/SOP20/TSSOP20; the pin-configuration drawing is not in t; Pin types for outputs were chosen as tri_state based on the 3-state output description."
],
"pages_sent": 16,
"cost_usd": 0.1175,
"at": "2026-10-30T11:55:54"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/83146a3fea570614099fedfc4872f20f.pdf",
"pages": 16,
"sha256": "06f00ce8e30be55b",
"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": "aip74hc244sa-tb.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "038a1459829ff637fca57d4bb1e9af2b8147cca01013e9a4c18f48c70bbbff15",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "aip74hc244sa-tb-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.26,
12.8,
2.65
],
"zmin_mm": 0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "432fdb7a9125ebc67a4aa4ea6dda2ba3fa4e53c6f8e6d29736b8f7a0305f0414",
"checked": "2026-10-30",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
],
"package_dims": {
"package_code": "SOP20",
"source_page": 3,
"e": {
"nom_mm": 1.27,
"range_mm": [
null,
null
]
},
"source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
"model_check": {
"file": "aip74hc244sa-tb.step",
"verdict": "SKIP",
"reasons": [
"the datasheet dimensions give no height or body size to compare"
],
"by": "factory/package_fit.py"
}
}
}
}