component
SN74F573DWR
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
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"type": "component",
"slug": "sn74f573dwr",
"title": "SN74F573DWR",
"brief": "Texas Instruments Latches, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "SN74F573DWR",
"manufacturer": "Texas Instruments",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Logic",
"subcategory": "Latches",
"datasheet": "https://www.ti.com/cn/lit/gpn/sn74f573",
"parts": {
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"lbr": "sn74f573dwr.lbr"
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"distributor_links": {
"lcsc": "C6804",
"digikey": "296-14822-2-ND",
"mouser": "595-SN74F573DWR"
},
"distributor_check": {
"checked_at": "2026-10-08T18:56:01Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-14822-2-ND",
"status": "found",
"lifecycle": "Active"
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},
"pins": [
{
"number": "1",
"name": "OE",
"type": "input",
"description": "Buffered active-low output enable: when low the eight Q outputs show their normal logic states, and when high they are forced to the high-impedance state without affecting the latch contents."
},
{
"number": "2",
"name": "1D",
"type": "input",
"description": "Data input to latch 1; while LE is high the 1Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "3",
"name": "2D",
"type": "input",
"description": "Data input to latch 2; while LE is high the 2Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "4",
"name": "3D",
"type": "input",
"description": "Data input to latch 3; while LE is high the 3Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "5",
"name": "4D",
"type": "input",
"description": "Data input to latch 4; while LE is high the 4Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "6",
"name": "5D",
"type": "input",
"description": "Data input to latch 5; while LE is high the 5Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "7",
"name": "6D",
"type": "input",
"description": "Data input to latch 6; while LE is high the 6Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "8",
"name": "7D",
"type": "input",
"description": "Data input to latch 7; while LE is high the 7Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "9",
"name": "8D",
"type": "input",
"description": "Data input to latch 8; while LE is high the 8Q output follows this input, and it is latched when LE goes low (setup 2 ns, hold 3 ns before/after LE falling)."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference pin for the device."
},
{
"number": "11",
"name": "LE",
"type": "input",
"description": "Latch enable input shared by all eight latches: while high the Q outputs are transparent to D, and taking it low latches the Q outputs (minimum high pulse width 6 ns)."
},
{
"number": "12",
"name": "8Q",
"type": "tri_state",
"description": "Latch 8 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "13",
"name": "7Q",
"type": "tri_state",
"description": "Latch 7 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "14",
"name": "6Q",
"type": "tri_state",
"description": "Latch 6 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "15",
"name": "5Q",
"type": "tri_state",
"description": "Latch 5 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "16",
"name": "4Q",
"type": "tri_state",
"description": "Latch 4 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "17",
"name": "3Q",
"type": "tri_state",
"description": "Latch 3 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "18",
"name": "2Q",
"type": "tri_state",
"description": "Latch 2 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "19",
"name": "1Q",
"type": "tri_state",
"description": "Latch 1 3-state bus-driving true output, which can be placed in high impedance by OE high and drives highly capacitive or low-impedance loads (IOH max -3 mA, IOL max 24 mA)."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Positive supply voltage, recommended 4.5 V to 5.5 V (nominal 5 V) for the SN74F573."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
"factory_chain": {
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"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: Pinout taken from the SN74F573 DW/N TOP VIEW on page 1; the DW (SOIC-20) package applies to SN74F573"
],
"pages_sent": 13,
"cost_usd": 0.0646,
"at": "2026-10-08T18:55:15"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/sn74f573",
"pages": 13,
"sha256": "3e8c5339d5889276",
"source_tier": "lcsc"
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"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
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"footprint": "viewers/footprint.html"
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"metadata": {
"specs": {
"Manufacturer": "Texas Instruments",
"Package": "SOIC-20-300mil",
"Category": "Logic",
"Pins": "20"
}
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"email": "[email protected]"
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