component
SN74LVT573PWR
Public Made by Adomby adom
Texas Instruments Latches, SOIC-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"schema_version": 1,
"type": "component",
"slug": "sn74lvt573pwr",
"title": "SN74LVT573PWR",
"brief": "Texas Instruments Latches, SOIC-20. 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",
"sn74lvt573pwr",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "SN74LVT573PWR",
"manufacturer": "Texas Instruments",
"package": "SOIC-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Latches",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvt573.pdf",
"parts": {
"symbol": "sn74lvt573pwr.kicad_sym",
"footprint": "sn74lvt573pwr.kicad_mod",
"model_3d": "sn74lvt573pwr-hero.glb",
"model_3d_plain": "sn74lvt573pwr.glb",
"model_3d_step": "sn74lvt573pwr-etched.step",
"model_3d_step_plain": "sn74lvt573pwr.step",
"lbr": "sn74lvt573pwr.lbr"
},
"distributor_links": {
"lcsc": "C4989482",
"digikey": "SN74LVT573PWR-ND",
"mouser": "595-SN74LVT573PWR"
},
"distributor_check": {
"checked_at": "2026-10-11T13:39:03Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "SN74LVT573PWR-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-SN74LVT573PWR",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "OE",
"type": "input",
"description": "Active-low buffered output enable; when high, the eight outputs go to high-impedance, and OE should be tied to VCC through a pullup resistor to keep the outputs high-Z during power-up and power-down."
},
{
"number": "2",
"name": "1D",
"type": "input",
"description": "Data input for latch 1, with active bus-hold so an unused or floating input holds a valid logic level; data is passed to 1Q while LE is high."
},
{
"number": "3",
"name": "2D",
"type": "input",
"description": "Data input for latch 2, with active bus-hold to hold a valid logic level when floating; data is passed to 2Q while LE is high."
},
{
"number": "4",
"name": "3D",
"type": "input",
"description": "Data input for latch 3, with active bus-hold to hold a valid logic level when floating; data is passed to 3Q while LE is high."
},
{
"number": "5",
"name": "4D",
"type": "input",
"description": "Data input for latch 4, with active bus-hold to hold a valid logic level when floating; data is passed to 4Q while LE is high."
},
{
"number": "6",
"name": "5D",
"type": "input",
"description": "Data input for latch 5, with active bus-hold to hold a valid logic level when floating; data is passed to 5Q while LE is high."
},
{
"number": "7",
"name": "6D",
"type": "input",
"description": "Data input for latch 6, with active bus-hold to hold a valid logic level when floating; data is passed to 6Q while LE is high."
},
{
"number": "8",
"name": "7D",
"type": "input",
"description": "Data input for latch 7, with active bus-hold to hold a valid logic level when floating; data is passed to 7Q while LE is high."
},
{
"number": "9",
"name": "8D",
"type": "input",
"description": "Data input for latch 8, with active bus-hold to hold a valid logic level when floating; data is passed to 8Q while LE is high."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "LE",
"type": "input",
"description": "Latch enable; while LE is high the Q outputs follow the D inputs, and when LE is taken low the Q outputs latch the levels present at D."
},
{
"number": "12",
"name": "8Q",
"type": "tri_state",
"description": "Output of latch 8, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "13",
"name": "7Q",
"type": "tri_state",
"description": "Output of latch 7, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "14",
"name": "6Q",
"type": "tri_state",
"description": "Output of latch 6, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "15",
"name": "5Q",
"type": "tri_state",
"description": "Output of latch 5, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "16",
"name": "4Q",
"type": "tri_state",
"description": "Output of latch 4, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "17",
"name": "3Q",
"type": "tri_state",
"description": "Output of latch 3, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "18",
"name": "2Q",
"type": "tri_state",
"description": "Output of latch 2, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "19",
"name": "1Q",
"type": "tri_state",
"description": "Output of latch 1, which can be placed in high-impedance by OE; the device is rated for IOL of 64 mA and IOH of -32 mA at VCC = 3 V for the SN74LVT573."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, specified as 2.7 V to 3.6 V for the SN74LVT573."
}
],
"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: Package mismatch: the hint says SOIC-20, but SN74LVT573PWR is the TSSOP (PW) 20-pin package per the ; The top-view pin drawing in the text extraction is scrambled, so pin numbers were taken from the log; Output descriptions quote the IOL and IOH limits given for the SN74LVT573 in the absolute-maximum an"
],
"pages_sent": 17,
"cost_usd": 0.0772,
"at": "2026-10-11T13:38:45"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/sn74lvt573.pdf",
"pages": 17,
"sha256": "4936cbbffffee6ae",
"source_tier": "mfr"
},
"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": "sn74lvt573pwr.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": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "sn74lvt573pwr-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": "3c129660cb605e5d9da945c1d180c9f1470553e03376d9b4097300193808e156",
"checked": "2026-10-11",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-20",
"Category": "Logic",
"Pins": "20"
}
},
"variants": [],
"sections": [
"hero",
"viewers",
"readme",
"breadcrumbs",
"info"
],
"discovery_triggers": [
"sn74lvt573pwr"
],
"discovery_pitch": "SN74LVT573PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
"author": {
"name": "Ray",
"email": "[email protected]"
},
"dependencies": {},
"hero": {
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"path": "docs/hero.png"
},
"files": [
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"visibility": {
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}
}