SL8563T

{
  "schema_version": 1,
  "type": "component",
  "slug": "sl8563t",
  "title": "SL8563T",
  "brief": "Slkor SLKORMICRO Elec Real-time Clocks (RTC), SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rtc",
    "sl8563t"
  ],
  "component": {
    "mpn": "SL8563T",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RTC",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2110081930_Slkor-SLKORMICRO-Elec--SL8563T_C2904418.pdf",
    "parts": {
      "symbol": "sl8563t.kicad_sym",
      "footprint": "sl8563t.kicad_mod",
      "model_3d": "sl8563t-etched.glb",
      "model_3d_plain": "sl8563t.glb",
      "model_3d_step": "sl8563t-etched.step",
      "model_3d_step_plain": "sl8563t.step",
      "lbr": "sl8563t.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "32.768 kHz crystal oscillator input. Connect to one terminal of the external 32.768 kHz crystal. Internal 12.5 pF load capacitor is provided so no external load caps are required. Crystal ESR must be <= 70 kΩ."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "32.768 kHz crystal oscillator output. Connect to the other terminal of the external 32.768 kHz crystal. Works with OSCI to form the DTCXO reference; internal 12.5 pF load cap included."
      },
      {
        "number": "3",
        "name": "INTN",
        "type": "output",
        "description": "Interrupt output, N-channel open-drain structure. Requires an external pull-up resistor to VDD. Asserts on programmed alarm, periodic, or time-update interrupt events. VOL <= 0.3 V @ IOH = -1 mA."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device (0 V)."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C bus serial data line. Open-drain, requires external pull-up resistor to VDD. Supports Fast-mode (up to 400 kHz). VIL = 0 to 0.3·VDD; VIH = 0.7·VDD to VDD."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C bus serial clock input. Supports Fast-mode clock rates up to 400 kHz. Requires external pull-up resistor to VDD."
      },
      {
        "number": "7",
        "name": "CLKOUT",
        "type": "output",
        "description": "Programmable clock output, CMOS push-pull. Selectable frequency 32.768 kHz / 1024 Hz / 1 Hz. Can drive up to 30 pF load capacitance; 50% duty cycle over 1.6 V to 5.5 V."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin. Clock circuit operating range 1.6 V to 5.5 V; I2C interface operating range 2.0 V to 5.5 V. Typical quiescent current 2.3 μA @ 3 V with CLKOUT disabled. Decouple with a 1 μF capacitor to VSS."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2110081930_Slkor-SLKORMICRO-Elec--SL8563T_C2904418.pdf",
        "pages": 2,
        "sha256": "c9a89f64f50fe4e3",
        "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"
    },
    "models_3d": [
      {
        "file": "sl8563t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sl8563t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "52f6096b46fb067ffaacc82da72c4af7174bbdf1615c30b2b19e44beb42e0635",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Slkor SLKORMICRO Elec",
      "Package": "SOP-8",
      "Category": "RTC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sl8563t"
  ],
  "discovery_pitch": "SL8563T (Slkor SLKORMICRO Elec) 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",
    "sl8563t.kicad_sym",
    "sl8563t.kicad_mod",
    "sl8563t.glb",
    "sl8563t.step",
    "sl8563t.lbr",
    "docs/hero.png",
    "docs/sl8563t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sl8563t-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-25T06:12:43.892Z"
}