component
74LVC273AT20-13
Public Made by Adomby adom
Diodes Incorporated Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "74LVC273AT20-13",
"manufacturer": "Diodes Incorporated",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Flip Flops",
"datasheet": "https://www.diodes.com/assets/Datasheets/74LVC273AT20-13.pdf",
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"distributor_links": {
"lcsc": "C842652",
"mouser": "621-74LVC273AT20-13"
},
"distributor_check": {
"checked_at": "2026-10-21T18:45:33Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
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"pn": "621-74LVC273AT20-13",
"status": "found"
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},
"pins": [
{
"number": "1",
"name": "CLR",
"type": "input",
"description": "Active-low direct clear input; per the function table, CLR low forces every Q output low regardless of CLK and D."
},
{
"number": "2",
"name": "Q1",
"type": "output",
"description": "Latch output of flip-flop 1, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "3",
"name": "D1",
"type": "input",
"description": "Data input to flip-flop 1, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "4",
"name": "D2",
"type": "input",
"description": "Data input to flip-flop 2, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "5",
"name": "Q2",
"type": "output",
"description": "Latch output of flip-flop 2, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "6",
"name": "Q3",
"type": "output",
"description": "Latch output of flip-flop 3, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "7",
"name": "D3",
"type": "input",
"description": "Data input to flip-flop 3, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "8",
"name": "D4",
"type": "input",
"description": "Data input to flip-flop 4, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "9",
"name": "Q4",
"type": "output",
"description": "Latch output of flip-flop 4, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "CLK",
"type": "input",
"description": "Clock input; flip-flops are positive-edge triggered, and inputs accept up to 5.5 V with Schmitt trigger action."
},
{
"number": "12",
"name": "Q5",
"type": "output",
"description": "Latch output of flip-flop 5, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "13",
"name": "D5",
"type": "input",
"description": "Data input to flip-flop 5, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "14",
"name": "D6",
"type": "input",
"description": "Data input to flip-flop 6, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "15",
"name": "Q6",
"type": "output",
"description": "Latch output of flip-flop 6, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "16",
"name": "Q7",
"type": "output",
"description": "Latch output of flip-flop 7, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "17",
"name": "D7",
"type": "input",
"description": "Data input to flip-flop 7, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "18",
"name": "D8",
"type": "input",
"description": "Data input to flip-flop 8, sampled on the positive edge of CLK; inputs accept up to 5.5 V and have Schmitt trigger action."
},
{
"number": "19",
"name": "Q8",
"type": "output",
"description": "Latch output of flip-flop 8, which can sink or source 24 mA at VCC = 3 V."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, operating range 1.65 V to 3.6 V per the recommended operating conditions."
}
],
"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 page 1 pin assignment figure is graphic only and carries no pin numbers, so the pin numbers and ; The datasheet gives only short pin names for the pin table. The descriptions combine those with func"
],
"pages_sent": 10,
"cost_usd": 0.053,
"at": "2026-10-21T18:38:16"
},
"datasheet": {
"url": "https://www.diodes.com/assets/Datasheets/74LVC273AT20-13.pdf",
"pages": 10,
"sha256": "d139b8b2b7a1f6b9",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
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"described": 20,
"cites_pages": true,
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