LK8563T

{
  "schema_version": 1,
  "type": "component",
  "slug": "lk8563t",
  "title": "LK8563T",
  "brief": "LANKE Real-time Clocks (RTC), SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rtc",
    "lk8563t"
  ],
  "component": {
    "mpn": "LK8563T",
    "manufacturer": "LANKE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RTC",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303281100_LANKE-LK8563T_C5440209.pdf",
    "parts": {
      "symbol": "lk8563t.kicad_sym",
      "footprint": "lk8563t.kicad_mod",
      "model_3d": "lk8563t-etched.glb",
      "model_3d_plain": "lk8563t.glb",
      "model_3d_step": "lk8563t-etched.step",
      "model_3d_step_plain": "lk8563t.step",
      "lbr": "lk8563t.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "32.768 kHz crystal oscillator input. Connect to one lead of an external 32.768 kHz quartz crystal (Rs=40 kΩ, CL=12.5 pF typical). Internal load capacitance is integrated (15/25/35 pF typical)."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "32.768 kHz crystal oscillator output. Connect to the second lead of the external 32.768 kHz quartz crystal."
      },
      {
        "number": "3",
        "name": "/INT",
        "type": "output",
        "description": "Open-drain interrupt output. Asserted low when an alarm (AF) or timer (TF) event occurs, per the TIE/AIE enable bits in control/status register 2. Requires an external pull-up resistor to VDD."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V)."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line (open-drain). Slave addresses: 0A3H (read) / 0A2H (write). Bus speed up to 400 kHz. Requires external pull-up resistor (typ. 4.7 kΩ) to VDD."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input, up to 400 kHz. Requires external pull-up resistor (typ. 4.7 kΩ) to VDD."
      },
      {
        "number": "7",
        "name": "CLKOUT",
        "type": "output",
        "description": "Programmable open-drain clock output. Software-selectable frequency of 32.768 kHz (default), 1024 Hz, 32 Hz, or 1 Hz via the CLKOUT frequency register (0DH). High-impedance when disabled; requires external pull-up when enabled."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 1.2 V to 5.5 V (1.8 V min for I2C at 400 kHz). Absolute maximum 6.5 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2303281100_LANKE-LK8563T_C5440209.pdf",
        "pages": 17,
        "sha256": "19c5303412fc54b3",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "LANKE",
      "Package": "SOP-8",
      "Category": "RTC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lk8563t"
  ],
  "discovery_pitch": "LK8563T (LANKE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lk8563t.kicad_sym",
    "lk8563t.kicad_mod",
    "lk8563t.glb",
    "lk8563t.step",
    "lk8563t-etched.step",
    "lk8563t.lbr",
    "docs/hero.png",
    "docs/lk8563t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T23:59:58.039Z"
}