main
Ray Set visibility: public b24dee9 18h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "cy74fct2245atpc",
  "title": "CY74FCT2245ATPC",
  "brief": "Texas Instruments Buffers / Drivers, PDIP-20. 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 ics",
    "cy74fct2245atpc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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."
      }
    ],
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        "primary_model": "claude-haiku-5-5",
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        "guard_notes": [
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        "at": "2026-10-30T23:08:03"
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-20",
      "Category": "Logic ICs",
      "Pins": "20"
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          "name": "Ambient temperature range with power applied",
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          "max": 150,
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          "name": "Package thermal impedance, P package",
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          "kind": "thermal",
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          "kind": "electrical",
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          "conditions": "VCC = 5.25 V, VOUT = 0 V",
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          "kind": "electrical",
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          "conditions": "VCC = 0 V, VOUT = 4.5 V",
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          "name": "Dynamic current per MHz",
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          "max": 0.12,
          "conditions": "VCC = 5.25 V, one input switching at 50% duty cycle, outputs open, T/R = OE = GND, VIN ≤ 0.2 V or ≥ VCC – 0.2 V",
          "source_page": 3,
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          "max": 10,
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          "source_page": 3,
          "source": "datasheet"
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          "name": "Output capacitance",
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          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 9,
          "max": 12,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Propagation delay A or B to B or A",
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          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 4.6,
          "conditions": "AT grade (CY74FCT2245AT); from A or B to B or A; see Figure 1",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Output enable time OE to A or B",
          "symbol": "tPZH/tPZL",
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          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 6.2,
          "conditions": "AT grade (CY74FCT2245AT); from OE to A or B; see Figure 1",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output disable time OE to A or B",
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          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 5,
          "conditions": "AT grade (CY74FCT2245AT); from OE to A or B; see Figure 1",
          "source_page": 4,
          "source": "datasheet"
        }
      ]
    }
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  "discovery_pitch": "CY74FCT2245ATPC (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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}