main
Ray Set visibility: public e46cb7c 10d ago
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  "slug": "ysn8025ts-32-768khz",
  "title": "YSN8025TS 32.768KHZ",
  "brief": "YXC Crystal Oscillators Real Time Clocks, SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "YSN8025TS 32.768KHZ",
    "manufacturer": "YXC Crystal Oscillators",
    "package": "SOP-14",
    "pin_count": 14,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f14f0affae7e3a25cad8abad3ed3d6cf.pdf",
    "parts": {
      "symbol": "ysn8025ts-32-768khz.kicad_sym",
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      "lbr": "ysn8025ts-32-768khz.lbr"
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    "distributor_links": {
      "lcsc": "C42930213"
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    "distributor_check": {
      "checked_at": "2026-10-18T06:28:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
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    "pins": [
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        "number": "1",
        "name": "T1",
        "type": "input",
        "description": "Factory test pin, not to be externally connected in application."
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      {
        "number": "2",
        "name": "SCL",
        "type": "input",
        "description": "I2C bus serial clock input; logic high requires at least 0.7*VDD and the input must stay within 5.5 V max."
      },
      {
        "number": "3",
        "name": "FOUT",
        "type": "output",
        "description": "CMOS 32.768 kHz clock output that is enabled when FOE is high and goes high-impedance (H-Z) when output is stopped."
      },
      {
        "number": "4",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected to any internal IC circuit."
      },
      {
        "number": "5",
        "name": "TEST",
        "type": "input",
        "description": "Factory test pin, no external connection required."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive power supply; interface operating voltage 2.0 V to 5.5 V, timekeeping hold voltage 1.8 V to 5.5 V, with a bypass capacitor of at least 0.1 uF required between VDD and GND."
      },
      {
        "number": "7",
        "name": "FOE",
        "type": "input",
        "description": "Controls FOUT output mode: high enables the 32.768 kHz output; logic high requires at least 0.7*VDD and the pin may be left floating or grounded if FOUT is not used."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected to any internal IC circuit."
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      {
        "number": "9",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected to any internal IC circuit."
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      {
        "number": "10",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output for alarm, periodic timer and time-update signals; it is pulled low when active and requires an external pull-up resistor."
      },
      {
        "number": "11",
        "name": "GND",
        "type": "power_in",
        "description": "Power supply ground."
      },
      {
        "number": "12",
        "name": "T2",
        "type": "passive",
        "description": "Factory test pin; may be left floating or connected to VDD in application."
      },
      {
        "number": "13",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bus data line; N-channel open-drain output that must be connected to a pull-up resistor, with logic high at least 0.7*VDD and maximum 5.5 V."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "Not connected to any internal IC circuit."
      }
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    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
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        "cost_usd": 0.0894,
        "at": "2026-10-18T06:25:54"
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        "pages": 32,
        "sha256": "801ea3f55309e99a",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
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      "Package": "SOP-14",
      "Category": "Clock/Timing",
      "Pins": "14"
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          "name": "Storage temperature",
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          "name": "Clock supply voltage",
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        {
          "name": "Operating temperature",
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          "name": "Frequency stability",
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          "min": -3.8,
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          "max": 3.8,
          "conditions": "Ta= 0 to +50℃, VDD=3.0V",
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          "name": "High-level output voltage, FOUT pin",
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          "name": "High-level output voltage, FOUT pin",
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          "conditions": "VDD=3V, IOH=-100 uA",
          "source_page": 8,
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          "name": "Low-level output voltage, FOUT pin",
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          "name": "Low-level output voltage, FOUT pin",
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          "name": "Low-level output voltage, FOUT pin",
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