74AHC595D

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  "title": "74AHC595D",
  "brief": "Nexperia Shift Registers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "74AHC595D",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74AHC595D.pdf",
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    "distributor_links": {
      "lcsc": "C5520",
      "mouser": "771-74AHC595D"
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        "lifecycle": "End of Life"
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    },
    "pins": [
      {
        "number": "1",
        "name": "Q1",
        "type": "tri_state",
        "description": "Parallel data output Q1 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "2",
        "name": "Q2",
        "type": "tri_state",
        "description": "Parallel data output Q2 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "3",
        "name": "Q3",
        "type": "tri_state",
        "description": "Parallel data output Q3 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "4",
        "name": "Q4",
        "type": "tri_state",
        "description": "Parallel data output Q4 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "5",
        "name": "Q5",
        "type": "tri_state",
        "description": "Parallel data output Q5 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "6",
        "name": "Q6",
        "type": "tri_state",
        "description": "Parallel data output Q6 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "7",
        "name": "Q7",
        "type": "tri_state",
        "description": "Parallel data output Q7 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "9",
        "name": "Q7S",
        "type": "output",
        "description": "Serial data output Q7S, which passes the shift register stage 7 state for cascading to another device."
      },
      {
        "number": "10",
        "name": "MR",
        "type": "input",
        "description": "Asynchronous master reset input, active LOW; a LOW level resets the shift register."
      },
      {
        "number": "11",
        "name": "SHCP",
        "type": "input",
        "description": "Shift register clock input; data is shifted on the LOW-to-HIGH transition of SHCP."
      },
      {
        "number": "12",
        "name": "STCP",
        "type": "input",
        "description": "Storage register clock input; data is transferred to the storage register on the LOW-to-HIGH transition of STCP."
      },
      {
        "number": "13",
        "name": "OE",
        "type": "input",
        "description": "Output enable input, active LOW; a HIGH level forces the Qn outputs into the high-impedance OFF-state."
      },
      {
        "number": "14",
        "name": "DS",
        "type": "input",
        "description": "Serial data input to the 8-bit shift register."
      },
      {
        "number": "15",
        "name": "Q0",
        "type": "tri_state",
        "description": "Parallel data output Q0 of the storage register; it is in the high-impedance OFF-state when OE is HIGH."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2.0 V to 5.5 V for the 74AHC595 (Table 5)."
      }
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        "at": "2026-10-27T22:07:38"
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      "pins": {
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        "described": 16,
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  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
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    "characteristics": {
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          "name": "HIGH-level output voltage",
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          "name": "input leakage current",
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          "name": "HIGH to LOW propagation delay",
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