ISO7721FDR

{
  "slug": "iso7721fdr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "iso7721fdr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "iso7721fdr.kicad_sym",
    "iso7721fdr.kicad_mod",
    "iso7721fdr.glb",
    "iso7721fdr.step",
    "iso7721fdr.lbr",
    "docs/hero.png",
    "docs/iso7721fdr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "iso7721fdr-hero.glb",
    "iso7721fdr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ISO7721FDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso7721",
    "parts": {
      "symbol": "iso7721fdr.kicad_sym",
      "footprint": "iso7721fdr.kicad_mod",
      "model_3d": "iso7721fdr-hero.glb",
      "model_3d_plain": "iso7721fdr.glb",
      "model_3d_step": "iso7721fdr-etched.step",
      "model_3d_step_plain": "iso7721fdr.step",
      "lbr": "iso7721fdr.lbr"
    },
    "distributor_links": {
      "lcsc": 2871095,
      "digikey": "296-48915-2-ND",
      "mouser": "595-ISO7721FDR"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T22:42:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-48915-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ISO7721FDR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Input supply voltage with operating range 2.25 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "OUTA",
        "type": "output",
        "description": "Channel A digital output with 100 Mbps data rate; output high voltage 4.8 V nominal (IOH = -4 mA), output low voltage 0.2 V to 0.4 V (IOL = 4 mA)."
      },
      {
        "number": "3",
        "name": "INB",
        "type": "input",
        "description": "Channel B digital input with high-level threshold 0.7 × VCCI and low-level threshold 0.3 × VCCI."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for input-side VCC1."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for output-side VCC2."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "Channel B digital output with 100 Mbps data rate; output high voltage 4.8 V nominal (IOH = -4 mA), output low voltage 0.2 V to 0.4 V (IOL = 4 mA)."
      },
      {
        "number": "7",
        "name": "INA",
        "type": "input",
        "description": "Channel A digital input with high-level threshold 0.7 × VCCI and low-level threshold 0.3 × VCCI."
      },
      {
        "number": "8",
        "name": "VCC2",
        "type": "power_in",
        "description": "Output supply voltage with operating range 2.25 V to 5.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "4/8 pins cited to the wrong page (name found elsewhere): ['2:OUTA@p14', '3:INB@p14', '6:OUTB@p14', '7:INA@p14']"
        ],
        "pages_sent": 28,
        "cost_usd": 0.2174,
        "at": "2026-10-05T22:41:54"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso7721",
        "pages": 51,
        "sha256": "7158bdf150cc2c73",
        "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"
    }
  }
}