PCF8563N

{
  "schema_version": 1,
  "type": "component",
  "slug": "pcf8563n",
  "title": "PCF8563N",
  "brief": "HGSEMI Real Time Clocks, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "clock-timing",
    "pcf8563n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "PCF8563N",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758163411425202176",
    "parts": {
      "symbol": "pcf8563n.kicad_sym",
      "footprint": "pcf8563n.kicad_mod",
      "model_3d": "pcf8563n-hero.glb",
      "model_3d_plain": "pcf8563n-etched.glb",
      "model_3d_step": "pcf8563n-etched.step",
      "model_3d_step_plain": "pcf8563n.step",
      "lbr": "pcf8563n.lbr"
    },
    "distributor_links": {
      "lcsc": "C512783"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:54:13Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OSCI",
        "type": "input",
        "description": "Oscillator input for the 32.768kHz crystal, which can also take an external trimming capacitor Ctrim (5-25pF); the pin input voltage is limited to -0.5V to VDD+0.5V."
      },
      {
        "number": "2",
        "name": "OSCO",
        "type": "output",
        "description": "Oscillator output for the 32.768kHz crystal, with an internal load capacitance COSCO of 15-35pF (25pF typical)."
      },
      {
        "number": "3",
        "name": "INT",
        "type": "output",
        "description": "Open-drain interrupt output for alarm and timer interrupts, with a low-level output current of at least -1mA at VOL=0.4V and VDD=5.0V."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference pin (0V) for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Open-drain serial data I/O line of the I2C bus, requiring a pull-up resistor to the positive supply; it sinks at least 3mA at VOL=0.4V and VDD=5.0V."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input of the I2C bus, operating up to 400kHz and requiring a pull-up resistor to the positive supply."
      },
      {
        "number": "7",
        "name": "CLKOUT",
        "type": "output",
        "description": "Open-drain programmable clock output that can be set to 32.768kHz (default), 1024Hz, 32Hz or 1Hz, and is high-impedance when disabled; its low-level output current is at least -1mA at VOL=0.4V and VDD=5.0V."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply pin, specified from 1.2V to 5.5V (1.8V to 5.5V for valid I2C bus operation), with absolute maximum rating of -0.5V to +6.5V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "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": [
          "extractor flagged: The datasheet gives one pin table (page 2) that is shared by the SOP-8, MSOP-8 and DIP-8 packages; t; The INT pin name is garbled in the text extraction (rendered with stray characters); it is read as I",
          "1/8 pins cited to the wrong page (name found elsewhere): ['3:INT@p2']"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0725,
        "at": "2026-10-18T17:51:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8758163411425202176",
        "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"
    },
    "models_3d": [
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        "file": "pcf8563n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
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        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "pcf8563n-etched.step",
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        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "DIP-8",
      "Category": "Clock/Timing",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "52838857838b981c17832c0f88423201005dabcfcd79a30a351ab13f09622651",
      "rows": [
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          "name": "Supply voltage (absolute maximum)",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
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          "source_page": 3,
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        },
        {
          "name": "Supply current (absolute maximum)",
          "symbol": "IDD",
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          "typ": null,
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        },
        {
          "name": "SCL and SDA input voltage (absolute maximum)",
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          "typ": null,
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        {
          "name": "OSCI pin input voltage (absolute maximum)",
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        },
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          "name": "CLKOUT and INT pin output voltage (absolute maximum)",
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        {
          "name": "DC output current, all outputs (absolute maximum)",
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        {
          "name": "Total power dissipation (absolute maximum)",
          "symbol": "P",
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          "unit": "mW",
          "min": null,
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          "max": 300,
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        },
        {
          "name": "Operating temperature (absolute maximum)",
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          "unit": "°C",
          "min": -40,
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          "max": 85,
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        {
          "name": "Storage temperature (absolute maximum)",
          "symbol": "TS",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
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        },
        {
          "name": "Pin temperature, soldering (absolute maximum)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "Soldering, 10 s",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage, I2C bus valid",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "I2C bus valid, f=400kHz",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage, I2C bus failure",
          "symbol": "VDD",
          "kind": "electrical",
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          "min": 1.2,
          "typ": null,
          "max": 5.5,
          "conditions": "I2C bus failure, TA=25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage for reliable clock/calendar data",
          "symbol": "Vlow",
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          "conditions": "TA=25°C",
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        },
        {
          "name": "Operating current 1 (CLKOUT enabled)",
          "symbol": "IDD1",
          "kind": "electrical",
          "unit": "µA",
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          "typ": null,
          "max": 800,
          "conditions": "CLKOUT enabled (FE=1), fSCL=400kHz",
          "source_page": 4,
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        {
          "name": "Operating current 1 (CLKOUT enabled)",
          "symbol": "IDD1",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "CLKOUT enabled (FE=1), fSCL=100kHz",
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          "source": "datasheet"
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        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 550,
          "max": 800,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=25°C, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 250,
          "max": 650,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=25°C, VDD=3.0V",
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          "source": "datasheet"
        },
        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 200,
          "max": 500,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=25°C, VDD=2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 700,
          "max": 950,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=-40 to +85°C, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 600,
          "max": 900,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=-40 to +85°C, VDD=3.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 2 (CLKOUT disabled)",
          "symbol": "IDD2",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 550,
          "max": 850,
          "conditions": "CLKOUT disabled (FE=0), fSCL=0Hz, TA=-40 to +85°C, VDD=2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 900,
          "max": 1600,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=25°C, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 650,
          "max": 1000,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=25°C, VDD=3.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 525,
          "max": 800,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=25°C, VDD=2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 1200,
          "max": 1800,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=-40 to +85°C, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 950,
          "max": 1200,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=-40 to +85°C, VDD=3.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating current 3 (CLKOUT 32.768kHz)",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": 750,
          "max": 900,
          "conditions": "CLKOUT=32.768kHz, fSCL=0Hz, TA=-40 to +85°C, VDD=2.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "ILI",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VI=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CI",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "Sample-tested (note 3)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "SDA low-level output current",
          "symbol": "IOLS",
          "kind": "electrical",
          "unit": "mA",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "VOL=0.4V, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "INT low-level output current",
          "symbol": "IOLI",
          "kind": "electrical",
          "unit": "mA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "VOL=0.4V, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CLKOUT low-level output current",
          "symbol": "IOLC",
          "kind": "electrical",
          "unit": "mA",
          "min": -1,
          "typ": null,
          "max": null,
          "conditions": "VOL=0.4V, VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CLKOUT high-level output current",
          "symbol": "IOHC",
          "kind": "electrical",
          "unit": "mA",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "VOL=4.6V (as printed), VDD=5.0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current",
          "symbol": "ILO",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0,
          "max": 1,
          "conditions": "VO=VDD or VSS",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "OSCO internal load capacitance",
          "symbol": "COSCO",
          "kind": "electrical",
          "unit": "pF",
          "min": 15,
          "typ": 25,
          "max": 35,
          "conditions": "OSCO internal capacitance",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Series resistance (crystal)",
          "symbol": "RS",
          "kind": "electrical",
          "unit": "kΩ",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Parallel load capacitance (crystal)",
          "symbol": "CL",
          "kind": "electrical",
          "unit": "pF",
          "min": 7,
          "typ": null,
          "max": 12.5,
          "conditions": "Parallel relation (note 1)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Single-side trimming capacitance",
          "symbol": "Ctrim",
          "kind": "electrical",
          "unit": "pF",
          "min": 5,
          "typ": null,
          "max": 25,
          "conditions": "External, on OSCI",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Equivalent series resistance (crystal parameter table)",
          "symbol": "ESR",
          "kind": "electrical",
          "unit": "KΩ",
          "min": null,
          "typ": 50,
          "max": 100,
          "conditions": "Crystal parameter table, f=32.768kHz",
          "source_page": 17,
          "source": "datasheet"
        },
        {
          "name": "SCL clock frequency",
          "symbol": "fSCL",
          "kind": "timing",
          "unit": "kHz",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Start condition hold time",
          "symbol": "tHDSTA",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Repeated start condition setup time",
          "symbol": "tSUSTA",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SCL low period",
          "symbol": "tLOW",
          "kind": "timing",
          "unit": "µs",
          "min": 1.3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SCL high period",
          "symbol": "tHIGH",
          "kind": "timing",
          "unit": "µs",
          "min": 0.6,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SCL and SDA rise time",
          "symbol": "tr",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "SCL and SDA fall time",
          "symbol": "tf",
          "kind": "timing",
          "unit": "µs",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Bus load capacitance",
          "symbol": "Cb",
          "kind": "timing",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Data setup time",
          "symbol": "tSUDAT",
          "kind": "timing",
          "unit": "ns",
          "min": 100,
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