main
Ray Publish 0.1.0 eb82a8b
{
  "slug": "cy74fct2541atsoc",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffer/Driver/Transceiver, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "cy74fct2541atsoc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cy74fct2541atsoc.kicad_sym",
    "cy74fct2541atsoc.kicad_mod",
    "cy74fct2541atsoc.glb",
    "cy74fct2541atsoc.step",
    "cy74fct2541atsoc.lbr",
    "docs/hero.png",
    "docs/cy74fct2541atsoc-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cy74fct2541atsoc-hero.glb",
    "cy74fct2541atsoc-hero.overlay.json",
    "cy74fct2541atsoc-etched.glb"
  ],
  "component": {
    "mpn": "CY74FCT2541ATSOC",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cy74fct2541t",
    "parts": {
      "symbol": "cy74fct2541atsoc.kicad_sym",
      "footprint": "cy74fct2541atsoc.kicad_mod",
      "model_3d": "cy74fct2541atsoc-hero.glb",
      "model_3d_plain": "cy74fct2541atsoc-etched.glb",
      "model_3d_step": "cy74fct2541atsoc-etched.step",
      "model_3d_step_plain": "cy74fct2541atsoc.step",
      "lbr": "cy74fct2541atsoc.lbr"
    },
    "distributor_links": {
      "lcsc": "C1548673",
      "digikey": "2156-CY74FCT2541ATSOC-ND",
      "mouser": "595-CY74FCT2541ATSOC"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T22:43:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-CY74FCT2541ATSOC-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CY74FCT2541ATSOC",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OEA",
        "type": "input",
        "description": "Output enable A control input that gates the outputs together with OEB, per the function table on page 2; the datasheet gives no separate electrical limit for this pin beyond the TTL VIH and VIL levels."
      },
      {
        "number": "2",
        "name": "D0",
        "type": "input",
        "description": "Data input to buffer channel 0 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input to buffer channel 1 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "4",
        "name": "D2",
        "type": "input",
        "description": "Data input to buffer channel 2 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "5",
        "name": "D3",
        "type": "input",
        "description": "Data input to buffer channel 3 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "6",
        "name": "D4",
        "type": "input",
        "description": "Data input to buffer channel 4 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "input",
        "description": "Data input to buffer channel 5 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "input",
        "description": "Data input to buffer channel 6 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "9",
        "name": "D7",
        "type": "input",
        "description": "Data input to buffer channel 7 with TTL-compatible levels, VIH minimum 2 V and VIL maximum 0.8 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device; the datasheet states supply voltage range from 4.75 V to 5.25 V with respect to ground."
      },
      {
        "number": "11",
        "name": "O7",
        "type": "tri_state",
        "description": "3-state buffer output channel 7 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "12",
        "name": "O6",
        "type": "tri_state",
        "description": "3-state buffer output channel 6 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "13",
        "name": "O5",
        "type": "tri_state",
        "description": "3-state buffer output channel 5 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "14",
        "name": "O4",
        "type": "tri_state",
        "description": "3-state buffer output channel 4 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "15",
        "name": "O3",
        "type": "tri_state",
        "description": "3-state buffer output channel 3 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "16",
        "name": "O2",
        "type": "tri_state",
        "description": "3-state buffer output channel 2 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "17",
        "name": "O1",
        "type": "tri_state",
        "description": "3-state buffer output channel 1 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "18",
        "name": "O0",
        "type": "tri_state",
        "description": "3-state buffer output channel 0 with 25 Ω series termination, sourcing up to 15 mA (IOH) and sinking up to 12 mA (IOL)."
      },
      {
        "number": "19",
        "name": "OEB",
        "type": "input",
        "description": "Output enable B control input that gates the outputs together with OEA, per the function table on page 2; the datasheet gives no separate electrical limit for this pin beyond the TTL VIH and VIL levels."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input; the datasheet specifies VCC of 4.75 V minimum, 5 V nominal and 5.25 V maximum."
      }
    ],
    "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 top-view pin labels were read from extracted text order, and the right-hand column (pins 11-20) "
        ],
        "pages_sent": 16,
        "cost_usd": 0.0255,
        "at": "2026-11-05T22:43:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cy74fct2541t",
        "pages": 16,
        "sha256": "98c9563c617955be",
        "source_tier": "mfr"
      },
      "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": "cy74fct2541atsoc.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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cy74fct2541atsoc-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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "720eb7272392773845480941ad89f0aeea22cd4ce636d8d35efa5810712dd514",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}