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Ray Set visibility: public f418302 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "74lcx373ft",
  "title": "74LCX373FT",
  "brief": "TOSHIBA Latches, TSSOP-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",
    "74lcx373ft",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74LCX373FT",
    "manufacturer": "TOSHIBA",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/0d37ba9e0ca73a6f8f9cc8e84bc2d067.pdf",
    "parts": {
      "symbol": "74lcx373ft.kicad_sym",
      "footprint": "74lcx373ft.kicad_mod",
      "model_3d": "74lcx373ft-hero.glb",
      "model_3d_plain": "74lcx373ft-etched.glb",
      "model_3d_step": "74lcx373ft-etched.step",
      "model_3d_step_plain": "74lcx373ft.step",
      "lbr": "74lcx373ft.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675404",
      "digikey": "264-74LCX373FTTR-ND",
      "mouser": "757-74LCX373FT"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:41:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "264-74LCX373FTTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "757-74LCX373FT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable input; when high, the eight outputs are in a high-impedance state."
      },
      {
        "number": "2",
        "name": "Q0",
        "type": "tri_state",
        "description": "3-state latch output 0, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input 0 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input 1 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "5",
        "name": "Q1",
        "type": "tri_state",
        "description": "3-state latch output 1, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "6",
        "name": "Q2",
        "type": "tri_state",
        "description": "3-state latch output 2, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "input",
        "description": "Data input 2 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "input",
        "description": "Data input 3 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "9",
        "name": "Q3",
        "type": "tri_state",
        "description": "3-state latch output 3, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin (0 V)."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch enable input; Q outputs are latched when LE is taken to a low logic level."
      },
      {
        "number": "12",
        "name": "Q4",
        "type": "tri_state",
        "description": "3-state latch output 4, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input 4 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "15",
        "name": "Q5",
        "type": "tri_state",
        "description": "3-state latch output 5, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "16",
        "name": "Q6",
        "type": "tri_state",
        "description": "3-state latch output 6, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "17",
        "name": "D6",
        "type": "input",
        "description": "Data input 6 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "18",
        "name": "D7",
        "type": "input",
        "description": "Data input 7 of the octal D-type latch; 5-V tolerant."
      },
      {
        "number": "19",
        "name": "Q7",
        "type": "tri_state",
        "description": "3-state latch output 7, high-impedance when OE is high; 5-V tolerant."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin; operating range 1.65 to 3.6 V."
      }
    ],
    "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": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.2691,
        "at": "2026-10-18T05:40:23"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/0d37ba9e0ca73a6f8f9cc8e84bc2d067.pdf",
        "pages": 10,
        "sha256": "c330aebfa852fdbc",
        "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"
    },
    "models_3d": [
      {
        "file": "74lcx373ft.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lcx373ft-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5d053817babf35fbb9857525709001707e79380920a0a2818e2e39c0a9125a75",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TOSHIBA",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "c330aebfa852fdbc48c4df0aed73d4f109d895389cf2c8eda70b67c5b26154aa",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "Note 1: Output in OFF state",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Note 2: High or low state; upper limit printed as VCC + 0.5",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input diode current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output diode current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Note 3: VOUT < GND, VOUT > VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC/ground current",
          "symbol": "ICC/IGND",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.65,
          "typ": null,
          "max": 3.6,
          "conditions": "Note 1: Data retention only",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "Note 2: Output in OFF state",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Note 3: High or low state; upper limit printed as VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": 24,
          "conditions": "Note 4: VCC = 3.0 to 3.6 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current",
          "symbol": "IOUT",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "Note 5: VCC = 2.7 to 3.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature",
          "symbol": "Topr",
          "kind": "recommended_operating",
          "unit": "",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input rise and fall times",
          "symbol": "dt/dv",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 10,
          "conditions": "Note 6: VIN = 0.8 to 2.0 V, VCC = 3.0 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.3 to 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VCC = 2.3 to 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 2.7 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.05,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIH or VIL; IOH = -4 mA; VCC = 1.65 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIH or VIL; IOH = -8 mA; VCC = 2.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIH or VIL; IOH = -12 mA; VCC = 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIH or VIL; IOH = -18 mA; VCC = 3.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VIN = VIH or VIL; IOL = 100 µA; VCC = 1.65 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "VIN = VIH or VIL; IOL = 4 mA; VCC = 1.65 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VIN = VIH or VIL; IOL = 8 mA; VCC = 2.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VIN = VIH or VIL; IOL = 12 mA; VCC = 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "VIN = VIH or VIL; IOL = 24 mA; VCC = 3.0 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VIN = 0 to 5.5 V; VCC = 1.65 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "3-state output OFF-state leakage current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VIN = VIH or VIL; VOUT = 0 to 5.5 V; VCC = 1.65 to 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Power-OFF leakage current",
          "symbol": "IOFF",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VIN/VOUT = 5.5 V; VCC = 0",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
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