SI8610EC-B-IS

{
  "slug": "si8610ec-b-is",
  "version": "0.1.0",
  "type": "component",
  "description": "Skyworks Solutions Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "si8610ec-b-is",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "si8610ec-b-is.kicad_sym",
    "si8610ec-b-is.kicad_mod",
    "si8610ec-b-is.glb",
    "si8610ec-b-is.step",
    "si8610ec-b-is.lbr",
    "docs/hero.png",
    "docs/si8610ec-b-is-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "si8610ec-b-is-hero.glb",
    "si8610ec-b-is-hero.overlay.json",
    "si8610ec-b-is-etched.glb"
  ],
  "component": {
    "mpn": "SI8610EC-B-IS",
    "manufacturer": "Skyworks Solutions",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3581c2cecd58c36c5f8c75a433106d13.pdf",
    "parts": {
      "symbol": "si8610ec-b-is.kicad_sym",
      "footprint": "si8610ec-b-is.kicad_mod",
      "model_3d": "si8610ec-b-is-hero.glb",
      "model_3d_plain": "si8610ec-b-is-etched.glb",
      "model_3d_step": "si8610ec-b-is-etched.step",
      "model_3d_step_plain": "si8610ec-b-is.step",
      "lbr": "si8610ec-b-is.lbr"
    },
    "distributor_links": {
      "lcsc": "C7315694",
      "digikey": "336-2058-5-ND",
      "mouser": "634-SI8610EC-B-IS"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:50:20Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "336-2058-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "634-SI8610EC-B-IS",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD1",
        "type": "power_in",
        "description": "Side 1 power supply, operating range 2.5-5.5 V, requires a 0.1 µF bypass capacitor to GND1 placed close to the package."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Side 1 digital input (Si8610 has one channel with its input on the VDD1 side) with Schmitt trigger input."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as VDD1/NC for Si861x; not internally connected and can be left floating, tied to VDD, or tied to GND."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Side 1 ground."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Side 2 ground."
      },
      {
        "number": "6",
        "name": "B1",
        "type": "output",
        "description": "Side 2 digital output of the single channel, with a nominal output impedance of about 50 Ω ±40%."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "Listed as GND2/NC for Si861x; not internally connected and can be left floating, tied to VDD, or tied to GND."
      },
      {
        "number": "8",
        "name": "VDD2",
        "type": "power_in",
        "description": "Side 2 power supply, operating range 2.5-5.5 V, requires a 0.1 µF bypass capacitor to GND2 placed close to the package."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The Si861x SOIC-8 table lists 'VDD1/NC' at pins '1, 3' and 'GND2/NC' at '5.7' (likely 5 and 7) witho; The table calls A1 and B1 'Digital I/O'. I set A1 as input and B1 as output because the ordering gui"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1742,
        "at": "2026-10-30T16:50:11"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3581c2cecd58c36c5f8c75a433106d13.pdf",
        "pages": 43,
        "sha256": "e131307ab2df36e4",
        "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": "si8610ec-b-is.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": "si8610ec-b-is-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": "314d3bdbd082c3b7c17436734cb827e9348d49f7cc33210f9fef1b3adea55243",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOIC-8",
      "source_page": 34,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "si8610ec-b-is.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}