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Ray Set visibility: public 569e3ff 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "74vhc573mtc",
  "title": "74VHC573MTC",
  "brief": "onsemi 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",
    "74vhc573mtc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "74VHC573MTC",
    "manufacturer": "onsemi",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/74vhc573mtc-d.pdf",
    "parts": {
      "symbol": "74vhc573mtc.kicad_sym",
      "footprint": "74vhc573mtc.kicad_mod",
      "model_3d": "74vhc573mtc-hero.glb",
      "model_3d_plain": "74vhc573mtc-etched.glb",
      "model_3d_step": "74vhc573mtc-etched.step",
      "model_3d_step_plain": "74vhc573mtc.step",
      "lbr": "74vhc573mtc.lbr"
    },
    "distributor_links": {
      "lcsc": "C900658",
      "digikey": "74VHC573MTC-ND",
      "mouser": "512-74VHC573MTC"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:30:07Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "74VHC573MTC-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "512-74VHC573MTC",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low 3-STATE output enable input; HIGH puts the eight outputs in high impedance, LOW enables them, and it does not interfere with entering new data into the latches."
      },
      {
        "number": "2",
        "name": "D0",
        "type": "input",
        "description": "Data input 0; enters the latch when LE is HIGH."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input 1; enters the latch when LE is HIGH."
      },
      {
        "number": "4",
        "name": "D2",
        "type": "input",
        "description": "Data input 2; enters the latch when LE is HIGH."
      },
      {
        "number": "5",
        "name": "D3",
        "type": "input",
        "description": "Data input 3; enters the latch when LE is HIGH."
      },
      {
        "number": "6",
        "name": "D4",
        "type": "input",
        "description": "Data input 4; enters the latch when LE is HIGH."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "input",
        "description": "Data input 5; enters the latch when LE is HIGH."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "input",
        "description": "Data input 6; enters the latch when LE is HIGH."
      },
      {
        "number": "9",
        "name": "D7",
        "type": "input",
        "description": "Data input 7; enters the latch when LE is HIGH."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, 0V reference."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch enable input; latches are transparent when HIGH and store the D inputs when LOW."
      },
      {
        "number": "12",
        "name": "O7",
        "type": "tri_state",
        "description": "3-STATE output 7, high impedance when OE is HIGH."
      },
      {
        "number": "13",
        "name": "O6",
        "type": "tri_state",
        "description": "3-STATE output 6, high impedance when OE is HIGH."
      },
      {
        "number": "14",
        "name": "O5",
        "type": "tri_state",
        "description": "3-STATE output 5, high impedance when OE is HIGH."
      },
      {
        "number": "15",
        "name": "O4",
        "type": "tri_state",
        "description": "3-STATE output 4, high impedance when OE is HIGH."
      },
      {
        "number": "16",
        "name": "O3",
        "type": "tri_state",
        "description": "3-STATE output 3, high impedance when OE is HIGH."
      },
      {
        "number": "17",
        "name": "O2",
        "type": "tri_state",
        "description": "3-STATE output 2, high impedance when OE is HIGH."
      },
      {
        "number": "18",
        "name": "O1",
        "type": "tri_state",
        "description": "3-STATE output 1, high impedance when OE is HIGH."
      },
      {
        "number": "19",
        "name": "O0",
        "type": "tri_state",
        "description": "3-STATE output 0, high impedance when OE is HIGH."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 2.0V to 5.5V (absolute maximum -0.5V to +7.0V)."
      }
    ],
    "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": 11,
        "cost_usd": 0.3161,
        "at": "2026-10-18T06:26:58"
      },
      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/74vhc573mtc-d.pdf",
        "pages": 11,
        "sha256": "da4914f3e5d32036",
        "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": "74vhc573mtc.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": "74vhc573mtc-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": "63751100b2d1cc0155fdc40107f4646cc9c3e4f4f7d6ca1beb003135bd48abd4",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "da4914f3e5d32036a60ec660153128e44052240b21075422e683265b8056f694",
      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature",
          "symbol": "TOPR",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Rise and Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 100,
          "conditions": "VCC = 3.3V ±0.3V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Rise and Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": 0,
          "typ": null,
          "max": 20,
          "conditions": "VCC = 5.0V ±0.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Voltage",
          "symbol": "VOUT",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Diode Current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output Diode Current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC Output Current",
          "symbol": "IOUT",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "DC VCC/GND Current",
          "symbol": "ICC",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -75,
          "typ": null,
          "max": 75,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead Temperature (Soldering)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "10 seconds",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.0V; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LOW Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC = 2.0V; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": 2,
          "max": null,
          "conditions": "VCC = 2.0V; VIN = VIH or VIL; IOH = -50µA; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.9,
          "typ": 3,
          "max": null,
          "conditions": "VCC = 3.0V; VIN = VIH or VIL; IOH = -50µA; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.5,
          "max": null,
          "conditions": "VCC = 4.5V; VIN = VIH or VIL; IOH = -50µA; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.58,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3.0V; VIN = VIH or VIL; IOH = -4mA; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.48,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3.0V; VIN = VIH or VIL; IOH = -4mA; TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.94,
          "typ": null,
          "max": null,
          "conditions": "VCC = 4.5V; VIN = VIH or VIL; IOH = -8mA; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "HIGH Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "VCC = 4.5V; VIN = VIH or VIL; IOH = -8mA; TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0,
          "max": 0.1,
          "conditions": "VCC = 2.0V; VIN = VIH or VIL; IOL = 50µA; TA = 25°C and -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.36,
          "conditions": "VCC = 3.0V; VIN = VIH or VIL; IOL = 4mA; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "LOW Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.44,
          "conditions": "VCC = 3.0V; VIN = VIH or VIL; IOL = 4mA; TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "3-STATE Output Off-State Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "VCC = 5.5V; VIN = VIH or VIL; VOUT = VCC or GND; TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input Leakage Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = 0-5.5V; VIN = 5.5V or GND; TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiescent Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4,
          "max": 40,
          "conditions": "VCC = 5.5V; VIN = VCC or GND; max at TA = -40°C to +85°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiet Output Maximum Dynamic VOL",
          "symbol": "VOLP",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.9,
          "max": 1.2,
          "conditions": "VCC = 5.0V; CL = 50pF; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiet Output Minimum Dynamic VOL",
          "symbol": "VOLV",
          "kind": "electrical",
          "unit": "V",
          "min": -1,
          "typ": -0.8,
          "max": null,
          "conditions": "VCC = 5.0V; CL = 50pF; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum HIGH Level Dynamic Input Voltage",
          "symbol": "VIHD",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5.0V; CL = 50pF; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum LOW Level Dynamic Input Voltage",
          "symbol": "VILD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VCC = 5.0V; CL = 50pF; TA = 25°C",
          "source_page": 5,
          "source": "datasheet"
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