component
TC74ACT574FTEL
Public Made by Adomby adom
TOSHIBA Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "tc74act574ftel",
"version": "0.1.0",
"type": "component",
"description": "TOSHIBA Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic",
"tc74act574ftel",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
"page.json",
"README.md",
"tc74act574ftel.kicad_sym",
"tc74act574ftel.kicad_mod",
"tc74act574ftel.glb",
"tc74act574ftel.step",
"tc74act574ftel.lbr",
"docs/hero.png",
"docs/tc74act574ftel-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"tc74act574ftel-hero.glb",
"tc74act574ftel-hero.overlay.json",
"tc74act574ftel-etched.glb"
],
"component": {
"mpn": "TC74ACT574FTEL",
"manufacturer": "TOSHIBA",
"package": "TSSOP-20",
"pin_count": 20,
"category": "Logic",
"subcategory": "Flip Flops",
"datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881505724194816",
"parts": {
"symbol": "tc74act574ftel.kicad_sym",
"footprint": "tc74act574ftel.kicad_mod",
"model_3d": "tc74act574ftel-hero.glb",
"model_3d_plain": "tc74act574ftel-etched.glb",
"model_3d_step": "tc74act574ftel-etched.step",
"model_3d_step_plain": "tc74act574ftel.step",
"lbr": "tc74act574ftel.lbr"
},
"distributor_links": {
"lcsc": "C146345"
},
"distributor_check": {
"checked_at": "2026-10-19T10:47:34Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": null,
"status": "quota"
},
"mouser": {
"pn": null,
"status": "quota"
}
},
"pins": [
{
"number": "1",
"name": "OE",
"type": "input",
"description": "Active-low output enable; when OE is high all eight outputs are forced to the high-impedance state."
},
{
"number": "2",
"name": "D0",
"type": "input",
"description": "Data input to flip-flop 0, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "3",
"name": "D1",
"type": "input",
"description": "Data input to flip-flop 1, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "4",
"name": "D2",
"type": "input",
"description": "Data input to flip-flop 2, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "5",
"name": "D3",
"type": "input",
"description": "Data input to flip-flop 3, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "6",
"name": "D4",
"type": "input",
"description": "Data input to flip-flop 4, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "7",
"name": "D5",
"type": "input",
"description": "Data input to flip-flop 5, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "8",
"name": "D6",
"type": "input",
"description": "Data input to flip-flop 6, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "9",
"name": "D7",
"type": "input",
"description": "Data input to flip-flop 7, compatible with TTL, NMOS and CMOS output levels."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Ground reference; unused inputs must be tied to either VCC or GND."
},
{
"number": "11",
"name": "CK",
"type": "input",
"description": "Clock input that loads the D inputs into the flip-flops; minimum pulse width is 5.0 ns at VCC = 5 V."
},
{
"number": "12",
"name": "Q7",
"type": "tri_state",
"description": "Three-state output of flip-flop 7; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "13",
"name": "Q6",
"type": "tri_state",
"description": "Three-state output of flip-flop 6; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "14",
"name": "Q5",
"type": "tri_state",
"description": "Three-state output of flip-flop 5; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "15",
"name": "Q4",
"type": "tri_state",
"description": "Three-state output of flip-flop 4; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "16",
"name": "Q3",
"type": "tri_state",
"description": "Three-state output of flip-flop 3; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "17",
"name": "Q2",
"type": "tri_state",
"description": "Three-state output of flip-flop 2; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "18",
"name": "Q1",
"type": "tri_state",
"description": "Three-state output of flip-flop 1; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "19",
"name": "Q0",
"type": "tri_state",
"description": "Three-state output of flip-flop 0; can drive 50 Ω transmission lines with |IOH| = IOL = 24 mA (min)."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage; recommended operating range 4.5 to 5.5 V, absolute maximum −0.5 to 7.0 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 page 2 pin assignment drawing is garbled in the extracted text. The D/Q pin numbers were taken f; The system diagram also shows 'VCC 16', which conflicts with VCC on pin 20 (the '1 20' corner label); The datasheet has one shared pin assignment for the P (DIP20), F (SOP20) and FT (TSSOP20) variants a"
],
"pages_sent": 9,
"cost_usd": 0.0578,
"at": "2026-10-19T10:47:18"
},
"datasheet": {
"url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881505724194816",
"pages": 9,
"sha256": "3560520bc0c95b6c",
"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": "tc74act574ftel.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "tc74act574ftel-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
6.4,
6.5,
1.2
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "bdd3cb82f28c5d0b78832bf0cdb813d522fafffc1e16ced81243f7b95d129d3d",
"checked": "2026-10-19",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
}
}