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{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74hct595adtr2g",
  "title": "MC74HCT595ADTR2G",
  "brief": "onsemi Shift Registers, TSSOP-16. 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",
    "mc74hct595adtr2g",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "MC74HCT595ADTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881506936754176",
    "parts": {
      "symbol": "mc74hct595adtr2g.kicad_sym",
      "footprint": "mc74hct595adtr2g.kicad_mod",
      "model_3d": "mc74hct595adtr2g-hero.glb",
      "model_3d_plain": "mc74hct595adtr2g-etched.glb",
      "model_3d_step": "mc74hct595adtr2g-etched.step",
      "model_3d_step_plain": "mc74hct595adtr2g.step",
      "lbr": "mc74hct595adtr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C152276",
      "digikey": "MC74HCT595ADTR2GOSTR-ND",
      "mouser": "863-MC74HCT595ADTR2G"
    },
    "distributor_check": {
      "checked_at": "2026-10-16T18:00:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "MC74HCT595ADTR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "863-MC74HCT595ADTR2G",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "QB",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QB, forced to high impedance when Output Enable is high."
      },
      {
        "number": "2",
        "name": "QC",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QC, forced to high impedance when Output Enable is high."
      },
      {
        "number": "3",
        "name": "QD",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QD, forced to high impedance when Output Enable is high."
      },
      {
        "number": "4",
        "name": "QE",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QE, forced to high impedance when Output Enable is high."
      },
      {
        "number": "5",
        "name": "QF",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QF, forced to high impedance when Output Enable is high."
      },
      {
        "number": "6",
        "name": "QG",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QG, forced to high impedance when Output Enable is high."
      },
      {
        "number": "7",
        "name": "QH",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QH, forced to high impedance when Output Enable is high."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all DC voltages are referenced to GND."
      },
      {
        "number": "9",
        "name": "SQH",
        "type": "output",
        "description": "Noninverted serial data output from the eighth stage of the 8-bit shift register; this output does not have three-state capability."
      },
      {
        "number": "10",
        "name": "RESET",
        "type": "input",
        "description": "Active-low, asynchronous shift register reset input; a low resets only the shift register and does not affect the 8-bit latch."
      },
      {
        "number": "11",
        "name": "SHIFT CLOCK",
        "type": "input",
        "description": "Shift register clock input; a low-to-high transition shifts the data at the Serial Input pin into the 8-bit shift register."
      },
      {
        "number": "12",
        "name": "LATCH CLOCK",
        "type": "input",
        "description": "Storage latch clock input; a low-to-high transition latches the shift register data."
      },
      {
        "number": "13",
        "name": "OUTPUT ENABLE",
        "type": "input",
        "description": "Active-low output enable; a low allows latch data to appear at QA-QH, while a high forces QA-QH into the high-impedance state without affecting SQH."
      },
      {
        "number": "14",
        "name": "A",
        "type": "input",
        "description": "Serial data input shifted into the 8-bit serial shift register."
      },
      {
        "number": "15",
        "name": "QA",
        "type": "tri_state",
        "description": "Noninverted, 3-state, latch parallel output QA, forced to high impedance when Output Enable is high."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended operating range 4.5 V to 5.5 V referenced to GND, absolute maximum 7.0 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The PIN ASSIGNMENT diagram on page 2 is garbled in the text extraction. The pin numbers were taken f; The datasheet does not state a standalone pin description for GND or VCC beyond the logic diagram an"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0765,
        "at": "2026-10-16T18:00:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881506936754176",
        "pages": 11,
        "sha256": "55ae617580f618ca",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "mc74hct595adtr2g.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "mc74hct595adtr2g-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b58b7706e4234cf1365cdd0fc6560dc062a52984e975aa238ee0123bf73be3d1",
        "checked": "2026-10-16",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "TSSOP-16",
      "Category": "Logic",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "55ae617580f618ca8359ffb09ae2aab267dabdb7f2e9298a3a160f9cf1efe9bc",
      "rows": [
        {
          "name": "DC Supply Voltage (Referenced to GND)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage (Referenced to GND)",
          "symbol": "Vin",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
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          "max": null,
          "conditions": "",
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        },
        {
          "name": "DC Output Voltage (Referenced to GND)",
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        },
        {
          "name": "DC Input Current, per Pin",
          "symbol": "Iin",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "",
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        },
        {
          "name": "DC Output Current, per Pin",
          "symbol": "Iout",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -35,
          "typ": null,
          "max": 35,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "DC Supply Current, VCC and GND Pins",
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          "source": "datasheet"
        },
        {
          "name": "Power Dissipation in Still Air, TSSOP Package",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 450,
          "conditions": "TSSOP package, still air",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Lead Temperature",
          "symbol": "TL",
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          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "1 mm from case for 10 seconds (plastic DIP, SOIC or TSSOP package)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Supply Voltage (Referenced to GND)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "DC Input Voltage, Output Voltage (Referenced to GND)",
          "symbol": "Vin, Vout",
          "kind": "recommended_operating",
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          "min": 0,
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          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range, All Package Types",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input Rise/Fall Time",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": 500,
          "conditions": "Figure 1",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Input Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 to 5.5 V; Vout = 0.1 V or VCC - 0.1 V; |Iout| <= 20 uA; guaranteed at -55 to 25 C, 85 C and 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC 4.5 to 5.5 V; Vout = 0.1 V or VCC - 0.1 V; |Iout| <= 20 uA; guaranteed at -55 to 25 C, 85 C and 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, QA-QH",
          "symbol": "VOH",
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          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 20 uA; -55 to 125 C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Output Voltage, QA-QH",
          "symbol": "VOH",
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          "min": 3.98,
          "typ": null,
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          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; -55 to 25 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, QA-QH",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.84,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; 85 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, QA-QH",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.7,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, QA-QH",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 20 uA; -55 to 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, QA-QH",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.26,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; -55 to 25 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, QA-QH",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.33,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; 85 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, QA-QH",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 6.0 mA; 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, SQH",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 20 uA; -55 to 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, SQH",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.98,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; -55 to 25 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, SQH",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.84,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; 85 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Minimum High-Level Output Voltage, SQH",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.7,
          "typ": null,
          "max": null,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, SQH",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 20 uA; -55 to 125 C",
          "source_page": 4,
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        },
        {
          "name": "Maximum Low-Level Output Voltage, SQH",
          "symbol": "VOL",
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          "min": null,
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          "max": 0.26,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; -55 to 25 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Low-Level Output Voltage, SQH",
          "symbol": "VOL",
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          "min": null,
          "typ": null,
          "max": 0.33,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; 85 C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Maximum Low-Level Output Voltage, SQH",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "VCC 4.5 V; Vin = VIH or VIL; |Iout| <= 4.0 mA; 125 C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Input Leakage Current",
          "symbol": "Iin",
          "kind": "electrical",
          "unit": "uA",
          "min": -0.1,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC 5.5 V; Vin = VCC or GND; -55 to 25 C",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Maximum Input Leakage Current",
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          "min": -1,
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        {
          "name": "Maximum Quiescent Supply Current (per Package)",
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        {
          "name": "Maximum Clock Frequency (50% Duty Cycle)",
          "symbol": "fmax",
          "kind": "timing",
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          "min": 30,
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          "source_page": 5,
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          "name": "Maximum Clock Frequency (50% Duty Cycle)",
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          "min": 24,
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          "name": "Minimum Setup Time, Serial Data Input A to Shift Clock",
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