component
SN74LVTH273PWR
Public Made by Adomby adom
Texas Instruments Logic ICs, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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"component": {
"mpn": "SN74LVTH273PWR",
"manufacturer": "Texas Instruments",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic ICs",
"subcategory": "Logic ICs",
"datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvth273.pdf",
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"distributor_links": {
"lcsc": "C2876992",
"digikey": "296-1273-2-ND",
"mouser": "595-SN74LVTH273PWR"
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"pins": [
{
"number": "1",
"name": "CLR",
"type": "input",
"description": "Direct-clear input: when low it forces all Q outputs low regardless of CLK or D (function table, page 2); it is buffered, and CLR high must be set up before CLK↑ per the timing requirements."
},
{
"number": "2",
"name": "1Q",
"type": "output",
"description": "Flip-flop 1 true output, which follows 1D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "3",
"name": "1D",
"type": "input",
"description": "Individual data input to flip-flop 1; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "4",
"name": "2D",
"type": "input",
"description": "Individual data input to flip-flop 2; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "5",
"name": "2Q",
"type": "output",
"description": "Flip-flop 2 true output, which follows 2D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "6",
"name": "3Q",
"type": "output",
"description": "Flip-flop 3 true output, which follows 3D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "7",
"name": "3D",
"type": "input",
"description": "Individual data input to flip-flop 3; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "8",
"name": "4D",
"type": "input",
"description": "Individual data input to flip-flop 4; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "9",
"name": "4Q",
"type": "output",
"description": "Flip-flop 4 true output, which follows 4D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "CLK",
"type": "input",
"description": "Buffered positive-edge clock input; data is transferred to the Q outputs on the rising edge, with a maximum clock frequency of 150 MHz and minimum pulse duration of 3.3 ns."
},
{
"number": "12",
"name": "5Q",
"type": "output",
"description": "Flip-flop 5 true output, which follows 5D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "13",
"name": "5D",
"type": "input",
"description": "Individual data input to flip-flop 5; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "14",
"name": "6D",
"type": "input",
"description": "Individual data input to flip-flop 6; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "15",
"name": "6Q",
"type": "output",
"description": "Flip-flop 6 true output, which follows 6D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "16",
"name": "7Q",
"type": "output",
"description": "Flip-flop 7 true output, which follows 7D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "17",
"name": "7D",
"type": "input",
"description": "Individual data input to flip-flop 7; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "18",
"name": "8D",
"type": "input",
"description": "Individual data input to flip-flop 8; data must meet setup (2.3 ns at VCC 3.3 V) and hold (0 ns) times around CLK↑ and has bus hold to avoid external pullup/pulldown."
},
{
"number": "19",
"name": "8Q",
"type": "output",
"description": "Flip-flop 8 true output, which follows 8D on the positive-going CLK edge and is cleared by CLR low."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 2.7 V to 3.6 V per the recommended operating conditions."
}
],
"provenance": {
"extractor": "extract_pins 0.3",
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"extractor": "extract_pins 0.3",
"primary_model": "claude-haiku-5-5",
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"guard_notes": [
"extractor flagged: The page 1 pin diagram text is scrambled by extraction. GND=10, CLK=11 and VCC=20 are taken from the; The pin numbers for CLR, the D inputs and the Q outputs come from the page 2 logic diagram, where th; The schema has no field for headline electrical specs, so none are reported. The pin descriptions ci"
],
"pages_sent": 22,
"cost_usd": 0.0873,
"at": "2026-10-18T06:32:51"
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"datasheet": {
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"pages": 22,
"sha256": "59c245f9eb91b841",
"source_tier": "mfr"
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