main
Ray Set visibility: public 874e0d5 1d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "74fct244ctsog",
  "title": "74FCT244CTSOG",
  "brief": "RENESAS Buffers / Drivers, 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": [
    "component",
    "logic ics",
    "74fct244ctsog",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74FCT244CTSOG",
    "manufacturer": "RENESAS",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffers / Drivers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/384027dc8900067f75efee7ec698c04e.pdf",
    "parts": {
      "symbol": "74fct244ctsog.kicad_sym",
      "footprint": "74fct244ctsog.kicad_mod",
      "model_3d": "74fct244ctsog-hero.glb",
      "model_3d_plain": "74fct244ctsog-etched.glb",
      "model_3d_step": "74fct244ctsog-etched.step",
      "model_3d_step_plain": "74fct244ctsog.step",
      "lbr": "74fct244ctsog.lbr"
    },
    "distributor_links": {
      "lcsc": "C1548594",
      "digikey": "74FCT244CTSOG-ND",
      "mouser": "972-74FCT244CTSOG"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:08:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "74FCT244CTSOG-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "972-74FCT244CTSOG",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OEA",
        "type": "input",
        "description": "Active-LOW 3-state output enable input for the A-group outputs (OA0-OA3)."
      },
      {
        "number": "2",
        "name": "DA0",
        "type": "input",
        "description": "Data input A0, buffered to output OA0 per the function table."
      },
      {
        "number": "3",
        "name": "OB0",
        "type": "output",
        "description": "3-state buffer output B0, high-drive (-15mA IOH, 64mA IOL), high impedance when OEB is HIGH."
      },
      {
        "number": "4",
        "name": "DA1",
        "type": "input",
        "description": "Data input A1, buffered to output OA1 per the function table."
      },
      {
        "number": "5",
        "name": "OB1",
        "type": "output",
        "description": "3-state buffer output B1, high-drive (-15mA IOH, 64mA IOL), high impedance when OEB is HIGH."
      },
      {
        "number": "6",
        "name": "DA2",
        "type": "input",
        "description": "Data input A2, buffered to output OA2 per the function table."
      },
      {
        "number": "7",
        "name": "OB2",
        "type": "output",
        "description": "3-state buffer output B2, high-drive (-15mA IOH, 64mA IOL), high impedance when OEB is HIGH."
      },
      {
        "number": "8",
        "name": "DA3",
        "type": "input",
        "description": "Data input A3, buffered to output OA3 per the function table."
      },
      {
        "number": "9",
        "name": "OB3",
        "type": "output",
        "description": "3-state buffer output B3, high-drive (-15mA IOH, 64mA IOL), high impedance when OEB is HIGH."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0V reference for the device."
      },
      {
        "number": "11",
        "name": "DB3",
        "type": "input",
        "description": "Data input B3, buffered to output OA3 per the pin labeling of the package drawing."
      },
      {
        "number": "12",
        "name": "OA3",
        "type": "output",
        "description": "3-state buffer output A3, high-drive (-15mA IOH, 64mA IOL), high impedance when OEA is HIGH."
      },
      {
        "number": "13",
        "name": "DB2",
        "type": "input",
        "description": "Data input B2 of the B-group inputs."
      },
      {
        "number": "14",
        "name": "OA2",
        "type": "output",
        "description": "3-state buffer output A2, high-drive (-15mA IOH, 64mA IOL), high impedance when OEA is HIGH."
      },
      {
        "number": "15",
        "name": "DB1",
        "type": "input",
        "description": "Data input B1 of the B-group inputs."
      },
      {
        "number": "16",
        "name": "OA1",
        "type": "output",
        "description": "3-state buffer output A1, high-drive (-15mA IOH, 64mA IOL), high impedance when OEA is HIGH."
      },
      {
        "number": "17",
        "name": "DB0",
        "type": "input",
        "description": "Data input B0 of the B-group inputs."
      },
      {
        "number": "18",
        "name": "OA0",
        "type": "output",
        "description": "3-state buffer output A0, high-drive (-15mA IOH, 64mA IOL), high impedance when OEA is HIGH."
      },
      {
        "number": "19",
        "name": "OEB",
        "type": "input",
        "description": "Active-LOW 3-state output enable input for the B-group outputs (OB0-OB3)."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 5.0V ±5% industrial (±10% military); absolute maximum -0.5 to +7V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table only says Dxx are inputs and Oxx are outputs. It does not say which D pin dr; The drawing is shared by CERDIP/SOIC/SSOP/QSOP/TSSOP. The MPN suffix SO with G matches the Small Out",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 7,
        "cost_usd": 0.1934,
        "at": "2026-10-30T16:08:21"
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        "pages": 7,
        "sha256": "8c7c2c1da8599793",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      {
        "file": "74fct244ctsog-etched.step",
        "role": "eda",
        "up": "Z",
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        "sha256": "c154f9129342e3d5d5db4b1e1aa9085b8e6010207b9f46106135f6ddcd23ff1c",
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "8c7c2c1da8599793acac2087dc0eab0fa28b107426608e27795c7c06baa45b1b",
      "rows": [
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          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Guaranteed logic HIGH level",
          "source_page": 3,
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        },
        {
          "name": "Input LOW Level",
          "symbol": "VIL",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "Guaranteed logic LOW level",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input HIGH Current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Max. VI = 2.7V",
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        {
          "name": "Input LOW Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Max. VI = 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High Impedance Output Current (3-State, VO = 2.7V)",
          "symbol": "IOZH",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Max VO = 2.7V",
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          "source": "datasheet"
        },
        {
          "name": "High Impedance Output Current (3-State, VO = 0.5V)",
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          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Max VO = 0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input HIGH Current (II)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = Max., VI = VCC (Max.)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Clamp Diode Voltage",
          "symbol": "VIK",
          "kind": "electrical",
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          "min": null,
          "typ": -0.7,
          "max": -1.2,
          "conditions": "VCC = Min, IIN = -18mA",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Power Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.01,
          "max": 1,
          "conditions": "VCC = Max., VIN = GND or VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Power Supply Current, TTL Inputs HIGH",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.5,
          "max": 2,
          "conditions": "VCC = Max., VIN = 3.4V (per TTL input)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Dynamic Power Supply Current",
          "symbol": "ICCD",
          "kind": "electrical",
          "unit": "mA/MHz",
          "min": null,
          "typ": 0.15,
          "max": 0.25,
          "conditions": "VCC = Max., VIN = VCC / GND, outputs open, OEA = OEB = GND, one input toggling 50% duty",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Total Power Supply Current (10MHz, one input at VIN = GND/VCC)",
          "symbol": "IC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 3.5,
          "conditions": "VCC = Max., VIN = VCC, VIN = GND, outputs open, fi = 10MHz, 50% duty, OEA = OEB = GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Total Power Supply Current (10MHz, TTL input at VIN = 3.4V)",
          "symbol": "IC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.8,
          "max": 4.5,
          "conditions": "VCC = Max., VIN = 3.4V, VIN = GND, outputs open, fi = 10MHz, 50% duty, OEA = OEB = GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Short Circuit Current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": -60,
          "typ": -120,
          "max": -225,
          "conditions": "VCC = Max., VO = GND",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output HIGH Voltage (IND, IOH = -8mA)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": 3.3,
          "max": null,
          "conditions": "VCC = Min, VIN = VIH or VIL, IOH = -8mA (IND)",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Output HIGH Voltage (IND, IOH = -15mA)",
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          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 3,
          "max": null,
          "conditions": "VCC = Min, VIN = VIH or VIL, IOH = -15mA (IND)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output LOW Voltage (IND, IOL = 64mA)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.3,
          "max": 0.55,
          "conditions": "VCC = Min, VIN = VIH or VIL, IOL = 64mA (IND)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 6,
          "max": 10,
          "conditions": "VIN = 0V, TA = +25°C, F = 1.0MHz (measured at characterization, not tested)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output Capacitance",
          "symbol": "COUT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 8,
          "max": 12,
          "conditions": "VOUT = 0V, TA = +25°C, F = 1.0MHz (measured at characterization, not tested)",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage tolerance (Industrial)",
          "symbol": "VCC",
          "kind": "tolerance",
          "unit": "%",
          "min": -5,
          "typ": null,
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          "conditions": "Industrial: VCC = 5.0V ±5%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating ambient temperature (Industrial)",
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          "kind": "recommended_operating",
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          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Industrial range (74 prefix), VCC = 5.0V ±5%",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Terminal Voltage with Respect to GND (inputs and VCC)",
          "symbol": "VTERM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Inputs and VCC terminals only",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Terminal Voltage with Respect to GND (outputs and I/O)",
          "symbol": "VTERM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Output and I/O terminals only; upper limit printed as VCC+0.5",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "DC Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -60,
          "typ": null,
          "max": 120,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
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  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "74FCT244CTSOG (RENESAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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