CY74FCT244TSOCT

{
  "schema_version": 1,
  "type": "component",
  "slug": "cy74fct244tsoct",
  "title": "CY74FCT244TSOCT",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, 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": [
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    "logic",
    "cy74fct244tsoct",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CY74FCT244TSOCT",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cy74fct244t",
    "parts": {
      "symbol": "cy74fct244tsoct.kicad_sym",
      "footprint": "cy74fct244tsoct.kicad_mod",
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      "model_3d_plain": "cy74fct244tsoct.glb",
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      "lbr": "cy74fct244tsoct.lbr"
    },
    "distributor_links": {
      "lcsc": 2867712,
      "digikey": "296-14573-2-ND",
      "mouser": "595-CY74FCT244TSOCT"
    },
    "distributor_check": {
      "checked_at": "2026-10-03T06:33:55Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-14573-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CY74FCT244TSOCT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OEA",
        "type": "input",
        "description": "Active-low output enable for the A bank (OA0-OA3); outputs are high-impedance when OEA is high, and unused inputs must be held at VCC or GND."
      },
      {
        "number": "2",
        "name": "DA0",
        "type": "input",
        "description": "Data input A0, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OA0."
      },
      {
        "number": "3",
        "name": "OB0",
        "type": "tri_state",
        "description": "3-state output B0 following DB0, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "4",
        "name": "DA1",
        "type": "input",
        "description": "Data input A1, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OA1."
      },
      {
        "number": "5",
        "name": "OB1",
        "type": "tri_state",
        "description": "3-state output B1 following DB1, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "6",
        "name": "DA2",
        "type": "input",
        "description": "Data input A2, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OA2."
      },
      {
        "number": "7",
        "name": "OB2",
        "type": "tri_state",
        "description": "3-state output B2 following DB2, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "8",
        "name": "DA3",
        "type": "input",
        "description": "Data input A3, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OA3."
      },
      {
        "number": "9",
        "name": "OB3",
        "type": "tri_state",
        "description": "3-state output B3 following DB3, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "DB3",
        "type": "input",
        "description": "Data input B3, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OB3."
      },
      {
        "number": "12",
        "name": "OA3",
        "type": "tri_state",
        "description": "3-state output A3 following DA3, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "13",
        "name": "DB2",
        "type": "input",
        "description": "Data input B2, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OB2."
      },
      {
        "number": "14",
        "name": "OA2",
        "type": "tri_state",
        "description": "3-state output A2 following DA2, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "15",
        "name": "DB1",
        "type": "input",
        "description": "Data input B1, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OB1."
      },
      {
        "number": "16",
        "name": "OA1",
        "type": "tri_state",
        "description": "3-state output A1 following DA1, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "17",
        "name": "DB0",
        "type": "input",
        "description": "Data input B0, TTL-compatible with VIH min 2 V and VIL max 0.8 V, buffered to OB0."
      },
      {
        "number": "18",
        "name": "OA0",
        "type": "tri_state",
        "description": "3-state output A0 following DA0, with 64 mA sink and 32 mA source drive for CY74FCT244T."
      },
      {
        "number": "19",
        "name": "OEB",
        "type": "input",
        "description": "Active-low output enable for the B bank (OB0-OB3); outputs are high-impedance when OEB is high, and unused inputs must be held at VCC or GND."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.75 V to 5.25 V recommended for CY74FCT244T (absolute maximum -0.5 V to 7 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 24,
        "cost_usd": 0.1514,
        "at": "2026-10-03T06:33:26"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cy74fct244t",
        "pages": 24,
        "sha256": "0371a514e0948724",
        "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"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-20-300mil",
      "Category": "Logic",
      "Pins": "20"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "cy74fct244tsoct"
  ],
  "discovery_pitch": "CY74FCT244TSOCT (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"
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  "files": [
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  "visibility": {
    "public": true
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}