main
Ray pcf8563m: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body wi… 0beba8e
{
  "schema_version": 1,
  "type": "component",
  "slug": "pcf8563m",
  "title": "PCF8563M",
  "brief": "HGSEMI 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",
    "pcf8563m"
  ],
  "component": {
    "mpn": "PCF8563M",
    "manufacturer": "HGSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RTC",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4495bdc38cdbff251ddd25175ca1bc74.pdf",
    "parts": {
      "symbol": "pcf8563m.kicad_sym",
      "footprint": "pcf8563m.kicad_mod",
      "model_3d": "pcf8563m-etched.glb",
      "model_3d_plain": "pcf8563m.glb",
      "model_3d_step": "pcf8563m-etched.step",
      "model_3d_step_plain": "pcf8563m.step",
      "lbr": "pcf8563m.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "Oscillator input. Connect one terminal of the 32.768 kHz crystal here; a trim capacitor of 5-25 pF is applied externally to OSCI."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "Oscillator output. Connects to the other terminal of the 32.768 kHz crystal. Internal load capacitance is typically 25 pF (15-35 pF)."
      },
      {
        "number": "3",
        "name": "INT",
        "type": "output",
        "description": "Interrupt output, open-drain (active low). Low-level output current typ. -1 mA at VOL=0.4 V, VDD=5.0 V. Requires an external pull-up resistor."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data I/O, open-drain. Requires external pull-up resistor. IOLS min -3 mA at VOL=0.4 V, VDD=5.0 V. I2C slave address: read 0xA3, write 0xA2. Max bus speed 400 kbit/s."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Max 400 kHz. VIH >= 0.7*VDD, VIL <= 0.3*VDD."
      },
      {
        "number": "7",
        "name": "CLKOUT",
        "type": "output",
        "description": "Programmable clock output, open-drain. Selectable output frequencies of 32.768 kHz, 1024 Hz, 32 Hz, or 1 Hz. IOLC min -1 mA at VOL=0.4 V; IOHC min 1 mA at VOL=4.6 V (VDD=5.0 V)."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage. Operating range 1.2-5.5 V (I2C inactive) or 1.8-5.5 V at f=400 kHz. Absolute max +6.5 V. Typical IDD 0.25 μA at VDD=3.0 V with CLKOUT disabled."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4495bdc38cdbff251ddd25175ca1bc74.pdf",
        "pages": 21,
        "sha256": "52838857838b981c",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "pcf8563m.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcf8563m-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5f1fae21205f0e0aba5f1649b1fb77ccfd480d2b55256df528deef096a9a60a4",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-8",
      "Category": "RTC",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "pcf8563m"
  ],
  "discovery_pitch": "PCF8563M (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "pcf8563m.kicad_sym",
    "pcf8563m.kicad_mod",
    "pcf8563m.glb",
    "pcf8563m.step",
    "pcf8563m-etched.step",
    "pcf8563m.lbr",
    "docs/hero.png",
    "docs/pcf8563m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "PCF8563MM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "PCF8563MMM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "PCF8563MN",
      "kind": "packaging"
    },
    {
      "mpn": "PCF8563MDQ3/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T04:10:10.844Z"
}