MC74ACT373DWR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74act373dwr2g",
  "title": "MC74ACT373DWR2G",
  "brief": "onsemi Latches, 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",
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    "logic ics",
    "mc74act373dwr2g",
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  "component": {
    "mpn": "MC74ACT373DWR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Latches",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74act373dwr2-d.pdf",
    "parts": {
      "symbol": "mc74act373dwr2g.kicad_sym",
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      "lbr": "mc74act373dwr2g.lbr"
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    "distributor_links": {
      "lcsc": "C233456"
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    "distributor_check": {
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Output Enable input; LOW enables the 3-state outputs, HIGH puts them in high impedance without blocking entry of new data into the latches."
      },
      {
        "number": "2",
        "name": "O0",
        "type": "tri_state",
        "description": "3-state latch output 0, sources/sinks 24 mA."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input 0; ACT version has TTL-compatible inputs."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input 1; ACT version has TTL-compatible inputs."
      },
      {
        "number": "5",
        "name": "O1",
        "type": "tri_state",
        "description": "3-state latch output 1, sources/sinks 24 mA."
      },
      {
        "number": "6",
        "name": "O2",
        "type": "tri_state",
        "description": "3-state latch output 2, sources/sinks 24 mA."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "input",
        "description": "Data input 2; ACT version has TTL-compatible inputs."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "input",
        "description": "Data input 3; ACT version has TTL-compatible inputs."
      },
      {
        "number": "9",
        "name": "O3",
        "type": "tri_state",
        "description": "3-state latch output 3, sources/sinks 24 mA."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for supply and I/O voltages."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch Enable input; HIGH makes latches transparent, LOW latches data that met setup time."
      },
      {
        "number": "12",
        "name": "O4",
        "type": "tri_state",
        "description": "3-state latch output 4, sources/sinks 24 mA."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input 4; ACT version has TTL-compatible inputs."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5; ACT version has TTL-compatible inputs."
      },
      {
        "number": "15",
        "name": "O5",
        "type": "tri_state",
        "description": "3-state latch output 5, sources/sinks 24 mA."
      },
      {
        "number": "16",
        "name": "O6",
        "type": "tri_state",
        "description": "3-state latch output 6, sources/sinks 24 mA."
      },
      {
        "number": "17",
        "name": "D6",
        "type": "input",
        "description": "Data input 6; ACT version has TTL-compatible inputs."
      },
      {
        "number": "18",
        "name": "D7",
        "type": "input",
        "description": "Data input 7; ACT version has TTL-compatible inputs."
      },
      {
        "number": "19",
        "name": "O7",
        "type": "tri_state",
        "description": "3-state latch output 7, sources/sinks 24 mA."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; ACT operates 4.5 V to 5.5 V (absolute max -0.5 to +7.0 V)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pinout figure text is flattened; pin-to-name mapping was reconstructed from the top/bottom row o"
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        "pages_sent": 11,
        "cost_usd": 0.1291,
        "at": "2026-10-22T21:57:54"
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      "datasheet": {
        "url": "https://www.onsemi.com/pdf/datasheet/mc74act373dwr2-d.pdf",
        "pages": 11,
        "sha256": "de6eab515b94bb37",
        "source_tier": "mfr"
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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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        "extents_mm": [
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
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          "name": "DC Supply Voltage",
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          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Referenced to GND",
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          "name": "DC Input Diode Current",
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          "name": "DC Output Sink/Source Current",
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          "name": "DC Supply Current, per Output Pin",
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          "min": -100,
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        {
          "name": "Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": 65,
          "typ": null,
          "max": 150,
          "conditions": "minimum printed as 65 (sign lost in text)",
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        {
          "name": "Junction Temperature Under Bias",
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "",
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        {
          "name": "Thermal Resistance, SOIC",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "C/W",
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          "max": null,
          "conditions": "SOIC, JESD 51-7",
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          "source": "datasheet"
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        {
          "name": "Supply Voltage 'ACT",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "'ACT",
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        },
        {
          "name": "Operating Ambient Temperature Range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": 25,
          "max": 85,
          "conditions": "",
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        {
          "name": "Output Current - High",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -24,
          "conditions": "",
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          "name": "Output Current - Low",
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          "typ": null,
          "max": 24,
          "conditions": "",
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          "name": "Input Rise and Fall Time 'ACT",
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          "kind": "recommended_operating",
          "unit": "ns/V",
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          "typ": 10,
          "max": null,
          "conditions": "VCC @ 4.5 V, VIN 0.8 V to 2.0 V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Input Rise and Fall Time 'ACT",
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          "typ": 8,
          "max": null,
          "conditions": "VCC @ 5.5 V, VIN 0.8 V to 2.0 V",
          "source_page": 3,
          "source": "datasheet"
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          "name": "Min High Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 1.5,
          "max": null,
          "conditions": "VCC 4.5 V, TA -40 to +85°C; VOUT = 0.1 V or VCC - 0.1 V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Max Low Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
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          "min": null,
          "typ": 1.5,
          "max": 0.8,
          "conditions": "VCC 4.5 V, TA -40 to +85°C; VOUT = 0.1 V or VCC - 0.1 V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Min High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.49,
          "max": null,
          "conditions": "VCC 4.5 V, IOUT = -50 µA, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Min High Level Output Voltage",
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          "conditions": "VCC 5.5 V, IOUT = -50 µA, TA -40 to +85°C",
          "source_page": 6,
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        {
          "name": "Min High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.76,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V, IOH -24 mA, VIN = VIL or VIH, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Min High Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.76,
          "typ": null,
          "max": null,
          "conditions": "VCC 5.5 V, IOH -24 mA, VIN = VIL or VIH, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Max Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.001,
          "max": 0.1,
          "conditions": "VCC 4.5 V, IOUT = 50 µA, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Max Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.44,
          "conditions": "VCC 4.5 V, IOL 24 mA, VIN = VIL or VIH, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Max Input Leakage Current",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC 5.5 V, VI = VCC, GND, TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Additional Max. ICC/Input",
          "symbol": "ICCT",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.6,
          "max": 1.5,
          "conditions": "VCC 5.5 V, VI = VCC - 2.1 V",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Max 3-State Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VCC 5.5 V, VI(OE) = VIL, VIH; VI = VCC, GND; VO = VCC, GND; TA -40 to +85°C",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Min Dynamic Output Current",
          "symbol": "IOLD",
          "kind": "electrical",
          "unit": "mA",
          "min": 75,
          "typ": null,
          "max": null,
          "conditions": "VCC 5.5 V, VOLD = 1.65 V Max",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Min Dynamic Output Current",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
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          "conditions": "VCC 5.5 V, VOHD = 3.85 V Min",
          "source_page": 6,
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        },
        {
          "name": "Max Quiescent Supply Current",
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          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 8,
          "max": 80,
          "conditions": "VCC 5.5 V, VIN = VCC or GND, TA -40 to +85°C",
          "source_page": 6,
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          "name": "Propagation Delay Dn to On (tPLH)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 1.5,
          "typ": 8.5,
          "max": 11.5,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
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          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
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          "kind": "timing",
          "unit": "ns",
          "min": 2,
          "typ": 8.5,
          "max": 11.5,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
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          "typ": 8,
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          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Output Enable Time",
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          "typ": 8,
          "max": 10.5,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
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        {
          "name": "Output Enable Time",
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          "kind": "timing",
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          "typ": 7.5,
          "max": 10.5,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
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          "name": "Output Disable Time",
          "symbol": "tPHZ",
          "kind": "timing",
          "unit": "ns",
          "min": 2.5,
          "typ": 9,
          "max": 12.5,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
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          "name": "Output Disable Time",
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          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 7.5,
          "max": 10,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Setup Time, HIGH or LOW Dn to LE",
          "symbol": "ts",
          "kind": "timing",
          "unit": "ns",
          "min": 8,
          "typ": 3,
          "max": null,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Hold Time, HIGH or LOW Dn to LE",
          "symbol": "th",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 0,
          "max": null,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "LE Pulse Width, HIGH",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 8,
          "typ": 2,
          "max": null,
          "conditions": "VCC 5.0 V, CL = 50 pF, TA -40 to +85°C",
          "source_page": 7,
          "source": "datasheet"
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          "name": "Input Capacitance",
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          "kind": "electrical",
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          "min": null,
          "typ": 4.5,
          "max": null,
          "conditions": "VCC = 5.0 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Power Dissipation Capacitance",
          "symbol": "CPD",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 40,
          "max": null,
          "conditions": "VCC = 5.0 V",
          "source_page": 7,
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