ISL1208IB8Z

{
  "slug": "isl1208ib8z",
  "version": "0.1.0",
  "type": "component",
  "description": "RENESAS Real-Time Clocks(RTC), SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock and timing",
    "isl1208ib8z",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "isl1208ib8z.kicad_sym",
    "isl1208ib8z.kicad_mod",
    "isl1208ib8z.glb",
    "isl1208ib8z.step",
    "isl1208ib8z.lbr",
    "docs/hero.png",
    "docs/isl1208ib8z-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isl1208ib8z-hero.glb",
    "isl1208ib8z-hero.overlay.json",
    "isl1208ib8z-etched.glb"
  ],
  "component": {
    "mpn": "ISL1208IB8Z",
    "manufacturer": "RENESAS",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Clock And Timing",
    "subcategory": "Real-Time Clocks(RTC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/04287ff2df7a83902b7ee3e53f0b2203.pdf",
    "parts": {
      "symbol": "isl1208ib8z.kicad_sym",
      "footprint": "isl1208ib8z.kicad_mod",
      "model_3d": "isl1208ib8z-hero.glb",
      "model_3d_plain": "isl1208ib8z-etched.glb",
      "model_3d_step": "isl1208ib8z-etched.step",
      "model_3d_step_plain": "isl1208ib8z.step",
      "lbr": "isl1208ib8z.lbr"
    },
    "distributor_links": {
      "lcsc": "C6577621",
      "digikey": "ISL1208IB8Z-ND",
      "mouser": "968-ISL1208IB8Z"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T17:35:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISL1208IB8Z-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "968-ISL1208IB8Z",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "X1",
        "type": "input",
        "description": "Input of an inverting amplifier intended for one pin of an external 32.768kHz quartz crystal; X1 can also be driven directly from a 32.768kHz source."
      },
      {
        "number": "2",
        "name": "X2",
        "type": "output",
        "description": "Output of an inverting amplifier intended for connection to the other pin of an external 32.768kHz quartz crystal."
      },
      {
        "number": "3",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup supply voltage input that powers the device if VDD fails; tie to ground if not used."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data pin transferring data into and out of the device; open-drain output that may be wire-OR'ed with other open-drain or open-collector outputs and requires a pull-up resistor."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input used to clock all serial data into and out of the device."
      },
      {
        "number": "7",
        "name": "IRQ/FOUT",
        "type": "output",
        "description": "Multi-function open-drain active-low pin used as interrupt output or frequency output, with the function set via the configuration register."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Main power supply pin."
      }
    ],
    "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 SOIC pin-number diagram on page 3 is scrambled in the extracted text, so the pin assignments wer; Pin 7 is labelled IRQ/FOUT in the datasheet with a shared function; the type is set to output based ; The datasheet gives a VDD supply range of 2.0V to 5.5V on page 8 and 2.7V to 5.5V in the DC table on"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0618,
        "at": "2026-10-30T17:35:31"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/04287ff2df7a83902b7ee3e53f0b2203.pdf",
        "pages": 25,
        "sha256": "859361ad9f8cf201",
        "source_tier": "mfr"
      },
      "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": "isl1208ib8z.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl1208ib8z-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": "de63d0d629beee2b0c7378b41357875e8438a197a6ab2b9f5baa755df15b6221",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "M8.15E",
      "source_page": 24,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          null,
          null
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "isl1208ib8z.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}