component
SN74LVC573AQDWRQ1
Public Made by Adomby adom
Texas Instruments Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294
{
"schema_version": 1,
"type": "component",
"slug": "sn74lvc573aqdwrq1",
"title": "SN74LVC573AQDWRQ1",
"brief": "Texas Instruments Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"version": "0.1.0",
"license": "CC-BY-SA-4.0",
"tags": [
"component",
"logic",
"sn74lvc573aqdwrq1",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SN74LVC573AQDWRQ1",
"manufacturer": "Texas Instruments",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Logic",
"subcategory": "Latches",
"datasheet": "https://www.ti.com/cn/lit/gpn/sn74lvc573a-q1",
"parts": {
"symbol": "sn74lvc573aqdwrq1.kicad_sym",
"footprint": "sn74lvc573aqdwrq1.kicad_mod",
"model_3d": "sn74lvc573aqdwrq1-hero.glb",
"model_3d_plain": "sn74lvc573aqdwrq1.glb",
"model_3d_step": "sn74lvc573aqdwrq1-etched.step",
"model_3d_step_plain": "sn74lvc573aqdwrq1.step",
"lbr": "sn74lvc573aqdwrq1.lbr"
},
"distributor_links": {
"lcsc": "C2675301",
"digikey": "296-31918-2-ND",
"mouser": "595-74LVC573AQDWRQ1"
},
"distributor_check": {
"checked_at": "2026-10-07T08:33:48Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-31918-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-74LVC573AQDWRQ1",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "OE",
"type": "input",
"description": "Buffered output-enable input (active low); when low, outputs follow latch state; when high, all outputs are high-impedance"
},
{
"number": "2",
"name": "1D",
"type": "input",
"description": "Data input for latch 1; sampled when LE transitions from high to low"
},
{
"number": "3",
"name": "2D",
"type": "input",
"description": "Data input for latch 2; sampled when LE transitions from high to low"
},
{
"number": "4",
"name": "3D",
"type": "input",
"description": "Data input for latch 3; sampled when LE transitions from high to low"
},
{
"number": "5",
"name": "4D",
"type": "input",
"description": "Data input for latch 4; sampled when LE transitions from high to low"
},
{
"number": "6",
"name": "5D",
"type": "input",
"description": "Data input for latch 5; sampled when LE transitions from high to low"
},
{
"number": "7",
"name": "6D",
"type": "input",
"description": "Data input for latch 6; sampled when LE transitions from high to low"
},
{
"number": "8",
"name": "7D",
"type": "input",
"description": "Data input for latch 7; sampled when LE transitions from high to low"
},
{
"number": "9",
"name": "8D",
"type": "input",
"description": "Data input for latch 8; sampled when LE transitions from high to low"
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground; negative supply rail (0 V reference)"
},
{
"number": "11",
"name": "LE",
"type": "input",
"description": "Latch-enable input; when high, Q outputs follow D inputs; when low, Q outputs latch current D input state"
},
{
"number": "12",
"name": "8Q",
"type": "tri_state",
"description": "3-state output for latch 8; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "13",
"name": "7Q",
"type": "tri_state",
"description": "3-state output for latch 7; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "14",
"name": "6Q",
"type": "tri_state",
"description": "3-state output for latch 6; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "15",
"name": "5Q",
"type": "tri_state",
"description": "3-state output for latch 5; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "16",
"name": "4Q",
"type": "tri_state",
"description": "3-state output for latch 4; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "17",
"name": "3Q",
"type": "tri_state",
"description": "3-state output for latch 3; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "18",
"name": "2Q",
"type": "tri_state",
"description": "3-state output for latch 2; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "19",
"name": "1Q",
"type": "tri_state",
"description": "3-state output for latch 1; active high/low when OE=low, high-impedance when OE=high"
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; positive supply rail (2.7 V to 3.6 V operating range)"
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
"factory": "2.0.0",
"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-4-5-20251001",
"primary_mode": "text",
"consensus_model": "claude-sonnet-5-5",
"consensus": "agreed",
"guards": "pin_guards 0.1: passed",
"guard_notes": [],
"pages_sent": 16,
"cost_usd": 0.0992,
"at": "2026-10-07T08:33:27"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/sn74lvc573a-q1",
"pages": 16,
"sha256": "3ca3e13f31964e35",
"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": "sn74lvc573aqdwrq1.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
12.8,
2.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74lvc573aqdwrq1-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
10.3,
12.8,
2.75
],
"zmin_mm": 0,
"centre_offset_mm": 0,
"footprint_binding": "identity",
"sha256": "f8d84d1c3cca6caf84b6aa96aa43e2945fd50d3893881094af5646a62be103da",
"checked": "2026-10-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-20-300mil",
"Category": "Logic",
"Pins": "20"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sn74lvc573aqdwrq1"
],
"discovery_pitch": "SN74LVC573AQDWRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"sn74lvc573aqdwrq1.kicad_sym",
"sn74lvc573aqdwrq1.kicad_mod",
"sn74lvc573aqdwrq1.glb",
"sn74lvc573aqdwrq1.step",
"sn74lvc573aqdwrq1.lbr",
"docs/hero.png",
"docs/sn74lvc573aqdwrq1-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"sn74lvc573aqdwrq1-hero.glb",
"sn74lvc573aqdwrq1-hero.overlay.json"
],
"visibility": {
"public": true
}
}