MC74HCT595ADTR2G

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  "version": "0.1.0",
  "type": "component",
  "description": "onsemi Shift Registers, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mc74hct595adtr2g",
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  "component": {
    "mpn": "MC74HCT595ADTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881506936754176",
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    "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",
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        "pn": "MC74HCT595ADTR2GOSTR-ND",
        "status": "found",
        "lifecycle": "Active"
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        "pn": "863-MC74HCT595ADTR2G",
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    "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": {
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        "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"
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        "cost_usd": 0.0765,
        "at": "2026-10-16T18:00:02"
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        "pages": 11,
        "sha256": "55ae617580f618ca",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
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        "refuses_to_fabricate": true
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