ISO6521REUR

{
  "slug": "iso6521reur",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital Isolators, VSON-8(2x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "iso6521reur",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "iso6521reur.kicad_sym",
    "iso6521reur.kicad_mod",
    "iso6521reur.glb",
    "iso6521reur.step",
    "iso6521reur.lbr",
    "docs/hero.png",
    "docs/iso6521reur-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "iso6521reur-hero.glb",
    "iso6521reur-hero.overlay.json",
    "iso6521reur-etched.glb"
  ],
  "component": {
    "mpn": "ISO6521REUR",
    "manufacturer": "Texas Instruments",
    "package": "VSON-8(2x3)",
    "pin_count": 9,
    "category": "Signal Isolation Devices",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.ti.com.cn/cn/lit/ds/symlink/iso6521.pdf?ts=1731268420193",
    "parts": {
      "symbol": "iso6521reur.kicad_sym",
      "footprint": "iso6521reur.kicad_mod",
      "model_3d": "iso6521reur-hero.glb",
      "model_3d_plain": "iso6521reur-etched.glb",
      "model_3d_step": "iso6521reur-etched.step",
      "model_3d_step_plain": "iso6521reur.step",
      "lbr": "iso6521reur.lbr"
    },
    "distributor_links": {
      "lcsc": "C22428095"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T00:06:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      },
      "mouser": {
        "pn": null,
        "status": "error",
        "error": "The read operation timed out"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Power supply for side 1 (input side), referenced to GND1; the datasheet specifies VCC1 operation from 1.71 V to 5.5 V."
      },
      {
        "number": "2",
        "name": "OUTA",
        "type": "output",
        "description": "Channel A output on the ISO6521 (output side, referenced to GND2); it is driven to VCCO and GND2 levels by the isolated channel."
      },
      {
        "number": "3",
        "name": "INB",
        "type": "input",
        "description": "Channel B logic input on the ISO6521 (input side, referenced to GND1), with VIH of at least 0.7 x VCCI and VIL of at most 0.3 x VCCI."
      },
      {
        "number": "4",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1 (input side ground)."
      },
      {
        "number": "5",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2 (output side ground)."
      },
      {
        "number": "6",
        "name": "OUTB",
        "type": "output",
        "description": "Channel B output on the ISO6521 (output side, referenced to GND2)."
      },
      {
        "number": "7",
        "name": "INA",
        "type": "input",
        "description": "Channel A logic input on the ISO6521 (input side, referenced to GND1), with VIH of at least 0.7 x VCCI and VIL of at most 0.3 x VCCI."
      },
      {
        "number": "8",
        "name": "VCC2",
        "type": "power_in",
        "description": "Power supply for side 2 (output side), referenced to GND2; the datasheet specifies VCC2 operation from 1.71 V to 5.5 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 DFN pin figure (Figure 4-4) is extracted as text without explicit pin numbers, so the pin-to-num; Figure 4-4 shows a label 'ISOLATION' between the two sides. It is not a numbered pin in Table 4-1 an; Pin descriptions are based on Table 4-1 function labels plus the datasheet's supply, input threshold",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 19,
        "cost_usd": 0.1055,
        "at": "2026-10-18T00:02:33"
      },
      "datasheet": {
        "url": "https://www.ti.com.cn/cn/lit/ds/symlink/iso6521.pdf?ts=1731268420193",
        "pages": 34,
        "sha256": "f45d8be86cd7bd59",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          2.0,
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "66475b5f446d346f7e4ac5d44a01ced645a1c5691efdc473e08453133f9a551a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "iso6521reur-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "cf4e599b010fd4d5a6155f66a98a04e80a9e172820103814505cb8650b5515fd",
        "checked": "2026-10-18",
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}