MC74HC589ADTR2G

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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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  "component": {
    "mpn": "MC74HC589ADTR2G",
    "manufacturer": "onsemi",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://www.onsemi.com/pdf/datasheet/mc74hc589adtr2-d.pdf",
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    "distributor_links": {
      "lcsc": "C233472",
      "digikey": "MC74HC589ADTR2GOSTR-ND",
      "mouser": "863-MC74HC589ADTR2G"
    },
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      "checked_at": "2026-10-18T04:44:46Z",
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        "pn": "MC74HC589ADTR2GOSTR-ND",
        "status": "found"
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    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Parallel data input B is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "2",
        "name": "C",
        "type": "input",
        "description": "Parallel data input C is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "3",
        "name": "D",
        "type": "input",
        "description": "Parallel data input D is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "4",
        "name": "E",
        "type": "input",
        "description": "Parallel data input E is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "5",
        "name": "F",
        "type": "input",
        "description": "Parallel data input F is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "6",
        "name": "G",
        "type": "input",
        "description": "Parallel data input G is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "7",
        "name": "H",
        "type": "input",
        "description": "Parallel data input H is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device (GND = pin 8); all voltages are referenced to this pin."
      },
      {
        "number": "9",
        "name": "QH",
        "type": "tri_state",
        "description": "Serial data output from the last shift-register stage; this 3-state output goes to high impedance when Output Enable is high."
      },
      {
        "number": "10",
        "name": "Output Enable",
        "type": "input",
        "description": "Active-low output enable: a low level enables QH, and a high level forces QH into the high-impedance state without affecting the latch or shift register."
      },
      {
        "number": "11",
        "name": "Shift Clock",
        "type": "input",
        "description": "Serial shift clock: a low-to-high transition shifts the serial input SA into the shift register and shifts stage H out to QH."
      },
      {
        "number": "12",
        "name": "Latch Clock",
        "type": "input",
        "description": "Data latch clock: a low-to-high transition loads the parallel data on inputs A-H into the data latch."
      },
      {
        "number": "13",
        "name": "Serial Shift/Parallel Load",
        "type": "input",
        "description": "Shift register mode control: a high level allows serial shifting, while a low level loads parallel data from the data latch into the shift register."
      },
      {
        "number": "14",
        "name": "SA",
        "type": "input",
        "description": "Serial data input that is shifted into the shift register on the rising edge of Shift Clock when Serial Shift/Parallel Load is high and ignored when it is low."
      },
      {
        "number": "15",
        "name": "A",
        "type": "input",
        "description": "Parallel data input A is stored in the data latch on the rising edge of Latch Clock."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin (VCC = pin 16); the recommended DC supply range is 2.0 V to 6.0 V referenced to GND."
      }
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        "at": "2026-10-18T04:38:50"
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        "pages": 12,
        "sha256": "ddab43d7484d270f",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
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