XD74LS163

{
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  "type": "component",
  "slug": "xd74ls163",
  "title": "XD74LS163",
  "brief": "XINLUDA Counters, Dividers, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "XD74LS163",
    "manufacturer": "XINLUDA",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
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    "parts": {
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      "lbr": "xd74ls163.lbr"
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    "distributor_links": {
      "lcsc": "C707103"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "CLR",
        "type": "input",
        "description": "Active-low synchronous clear: a low level sets all four flip-flop outputs low after the next clock pulse regardless of the enable inputs."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Buffered clock input that triggers the four flip-flops on the rising edge of the clock waveform."
      },
      {
        "number": "3",
        "name": "A",
        "type": "input",
        "description": "Data input A used to preset output QA when LOAD is low."
      },
      {
        "number": "4",
        "name": "B",
        "type": "input",
        "description": "Data input B used to preset output QB when LOAD is low."
      },
      {
        "number": "5",
        "name": "C",
        "type": "input",
        "description": "Data input C used to preset output QC when LOAD is low."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "Data input D used to preset output QD when LOAD is low."
      },
      {
        "number": "7",
        "name": "ENP",
        "type": "input",
        "description": "Count-enable input P, which together with ENT enables counting."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "LOAD",
        "type": "input",
        "description": "Active-low synchronous load: a low level disables the counter and loads the outputs with the data inputs after the next clock pulse regardless of the enable inputs."
      },
      {
        "number": "10",
        "name": "ENT",
        "type": "input",
        "description": "Count-enable input T, which together with ENP enables counting and gates the ripple carry output RCO."
      },
      {
        "number": "11",
        "name": "QD",
        "type": "output",
        "description": "Flip-flop output D, the most significant bit of the counter."
      },
      {
        "number": "12",
        "name": "QC",
        "type": "output",
        "description": "Flip-flop output C."
      },
      {
        "number": "13",
        "name": "QB",
        "type": "output",
        "description": "Flip-flop output B."
      },
      {
        "number": "14",
        "name": "QA",
        "type": "output",
        "description": "Flip-flop output A, the least significant bit of the counter."
      },
      {
        "number": "15",
        "name": "RCO",
        "type": "output",
        "description": "Ripple carry output that produces a high-level pulse approximately equal to the high portion of QA to enable cascaded stages."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.75 V to 5.25 V (5 V nominal), absolute maximum 7 V."
      }
    ],
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      "pins": {
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        "described": 16,
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  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "DIP-16",
      "Category": "Logic",
      "Pins": "16"
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    "public": true
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}