component
CY74FCT273ATSOCT
Public Made by Adomby adom
Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295
{
"schema_version": 1,
"type": "component",
"slug": "cy74fct273atsoct",
"title": "CY74FCT273ATSOCT",
"brief": "Texas Instruments Flip Flops, 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",
"cy74fct273atsoct",
"factory-2.0.0",
"extractor-text"
],
"component": {
"mpn": "CY74FCT273ATSOCT",
"manufacturer": "Texas Instruments",
"package": "SOIC-20-300mil",
"pin_count": 20,
"category": "Logic",
"subcategory": "Flip Flops",
"datasheet": "https://www.ti.com/cn/lit/gpn/cy74fct273t",
"parts": {
"symbol": "cy74fct273atsoct.kicad_sym",
"footprint": "cy74fct273atsoct.kicad_mod",
"model_3d": "cy74fct273atsoct-hero.glb",
"model_3d_plain": "cy74fct273atsoct.glb",
"model_3d_step": "cy74fct273atsoct-etched.step",
"model_3d_step_plain": "cy74fct273atsoct.step",
"lbr": "cy74fct273atsoct.lbr"
},
"distributor_links": {
"lcsc": "C2677797",
"digikey": "296-28861-2-ND"
},
"distributor_check": {
"checked_at": "2026-10-08T19:32:59Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "296-28861-2-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": null,
"status": "error"
}
},
"pins": [
{
"number": "1",
"name": "MR",
"type": "input",
"description": "Active-low master reset; a low level forces all Q outputs low regardless of clock or D inputs."
},
{
"number": "2",
"name": "Q0",
"type": "output",
"description": "Registered output of flip-flop 0, loaded from D0 on the low-to-high CP transition and forced low by MR."
},
{
"number": "3",
"name": "D0",
"type": "input",
"description": "Data input to flip-flop 0, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "4",
"name": "D1",
"type": "input",
"description": "Data input to flip-flop 1, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "5",
"name": "Q1",
"type": "output",
"description": "Registered output of flip-flop 1, loaded from D1 on the low-to-high CP transition and forced low by MR."
},
{
"number": "6",
"name": "Q2",
"type": "output",
"description": "Registered output of flip-flop 2, loaded from D2 on the low-to-high CP transition and forced low by MR."
},
{
"number": "7",
"name": "D2",
"type": "input",
"description": "Data input to flip-flop 2, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "8",
"name": "D3",
"type": "input",
"description": "Data input to flip-flop 3, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "9",
"name": "Q3",
"type": "output",
"description": "Registered output of flip-flop 3, loaded from D3 on the low-to-high CP transition and forced low by MR."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference for the device."
},
{
"number": "11",
"name": "CP",
"type": "input",
"description": "Common buffered clock; D inputs are transferred to the Q outputs on its low-to-high transition, with a minimum pulse width of 6 ns."
},
{
"number": "12",
"name": "Q4",
"type": "output",
"description": "Registered output of flip-flop 4, loaded from D4 on the low-to-high CP transition and forced low by MR."
},
{
"number": "13",
"name": "D4",
"type": "input",
"description": "Data input to flip-flop 4, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "14",
"name": "D5",
"type": "input",
"description": "Data input to flip-flop 5, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "15",
"name": "Q5",
"type": "output",
"description": "Registered output of flip-flop 5, loaded from D5 on the low-to-high CP transition and forced low by MR."
},
{
"number": "16",
"name": "Q6",
"type": "output",
"description": "Registered output of flip-flop 6, loaded from D6 on the low-to-high CP transition and forced low by MR."
},
{
"number": "17",
"name": "D6",
"type": "input",
"description": "Data input to flip-flop 6, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "18",
"name": "D7",
"type": "input",
"description": "Data input to flip-flop 7, which needs a 2 ns setup time and 1.5 ns hold time around the low-to-high CP transition."
},
{
"number": "19",
"name": "Q7",
"type": "output",
"description": "Registered output of flip-flop 7, loaded from D7 on the low-to-high CP transition and forced low by MR."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply pin; the datasheet's recommended supply range for the CY74FCT273T is 4.75 V to 5.25 V."
}
],
"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 pinout diagram on page 1 is labelled 'Q OR SO PACKAGE' and is shared by the SSOP (Q) and SOIC (S; The pin numbers were reconstructed from the jumbled text layout. They were cross-checked against the; The recommended operating conditions (page 3) list the 4.75 V to 5.25 V VCC range and the 64 mA / 32"
],
"pages_sent": 13,
"cost_usd": 0.0861,
"at": "2026-10-08T19:32:00"
},
"datasheet": {
"url": "https://www.ti.com/cn/lit/gpn/cy74fct273t",
"pages": 13,
"sha256": "f862c55b121c0af8",
"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": "cy74fct273atsoct.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": "2026-10-08",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "cy74fct273atsoct-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": "8cfd8e16d5278dd5ab1afb342d6086cb21791c018de96c347b3651ebe15ee7c9",
"checked": "2026-10-08",
"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": [
"cy74fct273atsoct"
],
"discovery_pitch": "CY74FCT273ATSOCT (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",
"cy74fct273atsoct.kicad_sym",
"cy74fct273atsoct.kicad_mod",
"cy74fct273atsoct.glb",
"cy74fct273atsoct.step",
"cy74fct273atsoct.lbr",
"docs/hero.png",
"docs/cy74fct273atsoct-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy74fct273atsoct-hero.glb",
"cy74fct273atsoct-hero.overlay.json"
],
"visibility": {
"public": true
}
}