component
CY74FCT2245ATPC
Public Made by Adomby adom
Texas Instruments Buffers / Drivers, PDIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
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{
"slug": "cy74fct2245atpc",
"version": "0.1.0",
"type": "component",
"description": "Texas Instruments Buffers / Drivers, PDIP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"tags": [
"component",
"logic ics",
"cy74fct2245atpc",
"factory-2.0.0",
"extractor-text"
],
"dependencies": {},
"hero": {
"type": "image",
"path": "docs/hero.png"
},
"files": [
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"README.md",
"cy74fct2245atpc.kicad_sym",
"cy74fct2245atpc.kicad_mod",
"cy74fct2245atpc.glb",
"cy74fct2245atpc.step",
"cy74fct2245atpc.lbr",
"docs/hero.png",
"docs/cy74fct2245atpc-datasheet.pdf",
"viewers/symbol.html",
"viewers/footprint.html",
"cy74fct2245atpc-hero.glb",
"cy74fct2245atpc-hero.overlay.json",
"cy74fct2245atpc-etched.glb"
],
"component": {
"mpn": "CY74FCT2245ATPC",
"manufacturer": "Texas Instruments",
"package": "PDIP-20",
"pin_count": 20,
"category": "Logic ICs",
"subcategory": "Buffers / Drivers",
"datasheet": "https://www.ti.com/lit/ds/symlink/cy74fct2245atpc.pdf",
"parts": {
"symbol": "cy74fct2245atpc.kicad_sym",
"footprint": "cy74fct2245atpc.kicad_mod",
"model_3d": "cy74fct2245atpc-hero.glb",
"model_3d_plain": "cy74fct2245atpc-etched.glb",
"model_3d_step": "cy74fct2245atpc-etched.step",
"model_3d_step_plain": "cy74fct2245atpc.step",
"lbr": "cy74fct2245atpc.lbr"
},
"distributor_links": {
"lcsc": "C1548704",
"digikey": "2156-CY74FCT2245ATPC-ND",
"mouser": "595-CY74FCT2245ATPC"
},
"distributor_check": {
"checked_at": "2026-10-30T23:08:12Z",
"source": "Component Ocean /api/assign-pns",
"digikey": {
"pn": "2156-CY74FCT2245ATPC-ND",
"status": "found",
"lifecycle": "Active"
},
"mouser": {
"pn": "595-CY74FCT2245ATPC",
"status": "found"
}
},
"pins": [
{
"number": "1",
"name": "T/R",
"type": "input",
"description": "Direction control: high enables data flow from A ports to B ports (transmit), and low enables data flow from B ports to A ports (receive)."
},
{
"number": "2",
"name": "A0",
"type": "bidirectional",
"description": "A-port bus bit 0; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "3",
"name": "A1",
"type": "bidirectional",
"description": "A-port bus bit 1; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "4",
"name": "A2",
"type": "bidirectional",
"description": "A-port bus bit 2; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "5",
"name": "A3",
"type": "bidirectional",
"description": "A-port bus bit 3; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "6",
"name": "A4",
"type": "bidirectional",
"description": "A-port bus bit 4; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "7",
"name": "A5",
"type": "bidirectional",
"description": "A-port bus bit 5; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "8",
"name": "A6",
"type": "bidirectional",
"description": "A-port bus bit 6; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "9",
"name": "A7",
"type": "bidirectional",
"description": "A-port bus bit 7; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "10",
"name": "GND",
"type": "power_in",
"description": "Device ground; all supply and input/output voltage limits are referenced to ground potential."
},
{
"number": "11",
"name": "B7",
"type": "bidirectional",
"description": "B-port bus bit 7; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "12",
"name": "B6",
"type": "bidirectional",
"description": "B-port bus bit 6; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "13",
"name": "B5",
"type": "bidirectional",
"description": "B-port bus bit 5; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "14",
"name": "B4",
"type": "bidirectional",
"description": "B-port bus bit 4; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "15",
"name": "B3",
"type": "bidirectional",
"description": "B-port bus bit 3; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "16",
"name": "B2",
"type": "bidirectional",
"description": "B-port bus bit 2; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "17",
"name": "B1",
"type": "bidirectional",
"description": "B-port bus bit 1; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "18",
"name": "B0",
"type": "bidirectional",
"description": "B-port bus bit 0; 3-state output with 12-mA output sink current and 15-mA output source current, and 25-Ω on-chip series output resistors, placed in high-impedance when OE is high."
},
{
"number": "19",
"name": "OE",
"type": "input",
"description": "Output enable: when high, disables both the A and B ports into the high-impedance state."
},
{
"number": "20",
"name": "VCC",
"type": "power_in",
"description": "Supply voltage, 4.75 V minimum, 5 V nominal, 5.25 V maximum 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 pinout comes from a single TOP VIEW figure shared by the P (PDIP), Q (SSOP) and SO (SOIC) packag; VCC pin number is listed on page 1 pinout figure; its voltage limits come from the recommended opera"
],
"pages_sent": 20,
"cost_usd": 0.0771,
"at": "2026-10-30T23:08:03"
},
"datasheet": {
"url": "https://www.ti.com/lit/ds/symlink/cy74fct2245atpc.pdf",
"pages": 20,
"sha256": "05d1943fba1cf78f",
"source_tier": "mfr"
},
"cad": "KiCad official (CC-BY-SA 4.0)",
"pins": {
"total": 20,
"described": 20,
"cites_pages": true,
"refuses_to_fabricate": true
}
},
"viewers": {
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"footprint": "viewers/footprint.html"
},
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"units": "mm",
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"seat": "body on z = 0, through-hole leads below",
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}