HSO321S 12MHZ 3.3V -40~+85℃

{
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  "version": "0.1.0",
  "type": "component",
  "description": "HELE(Harmony Elec) Oscillators, SMD3225-4P. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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  "component": {
    "mpn": "HSO321S 12MHZ 3.3V -40~+85℃",
    "manufacturer": "HELE(Harmony Elec)",
    "package": "SMD3225-4P",
    "pin_count": 4,
    "category": "Crystals/Oscillators/Resonators",
    "subcategory": "Oscillators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/45e535d539b88fff0ea69eeb356a7f8b.pdf",
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    "distributor_links": {
      "lcsc": "C160457"
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      "checked_at": "2026-10-22T21:18:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
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    "pins": [
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        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Output enable: open or H (Vih min Vdd x 0.7) gives oscillation output, L (Vil max Vdd x 0.3) puts the output in high impedance and cuts supply current to 0.01 mA max."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "CMOS clock output of 12.000000 MHz, rated for CL = 15 pF, with Voh min 0.9xVdd, Vol max 0.1xVdd and 40-60% duty."
      },
      {
        "number": "4",
        "name": "Vdd",
        "type": "power_in",
        "description": "Supply voltage 3.0 to 3.6 V (3.3 V typical), absolute maximum -0.5 to 4.0 V."
      }
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