ISO7842DWWR

{
  "slug": "iso7842dwwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Digital Isolators, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "iso7842dwwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "iso7842dwwr.kicad_sym",
    "iso7842dwwr.kicad_mod",
    "iso7842dwwr.glb",
    "iso7842dwwr.step",
    "iso7842dwwr.lbr",
    "docs/hero.png",
    "docs/iso7842dwwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "iso7842dwwr-hero.glb",
    "iso7842dwwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "ISO7842DWWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Digital Isolators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso7842",
    "parts": {
      "symbol": "iso7842dwwr.kicad_sym",
      "footprint": "iso7842dwwr.kicad_mod",
      "model_3d": "iso7842dwwr-hero.glb",
      "model_3d_plain": "iso7842dwwr.glb",
      "model_3d_step": "iso7842dwwr-etched.step",
      "model_3d_step_plain": "iso7842dwwr.step",
      "lbr": "iso7842dwwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C544717",
      "digikey": "296-44217-2-ND",
      "mouser": "595-ISO7842DWWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T18:27:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-44217-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-ISO7842DWWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Input-side (side 1) supply; recommended supply range is 2.25 V to 5.5 V, and the datasheet specifies a 0.1 µF decoupling capacitor between VCC1 and GND1."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for the side 1 supply VCC1."
      },
      {
        "number": "3",
        "name": "INA",
        "type": "input",
        "description": "Input channel A on side 1; logic high is VIH ≥ 0.7 × VCCI and logic low is VIL ≤ 0.3 × VCCI."
      },
      {
        "number": "4",
        "name": "INB",
        "type": "input",
        "description": "Input channel B on side 1; logic high is VIH ≥ 0.7 × VCCI and logic low is VIL ≤ 0.3 × VCCI."
      },
      {
        "number": "5",
        "name": "OUTC",
        "type": "output",
        "description": "Output channel C on side 1 (reverse-direction channel); drives to VCCO with IOH limited to −4 mA at 5 V, −2 mA at 3.3 V and −1 mA at 2.5 V."
      },
      {
        "number": "6",
        "name": "OUTD",
        "type": "output",
        "description": "Output channel D on side 1 (reverse-direction channel); drives to VCCO with IOH limited to −4 mA at 5 V, −2 mA at 3.3 V and −1 mA at 2.5 V."
      },
      {
        "number": "7",
        "name": "EN1",
        "type": "input",
        "description": "Output enable for side 1; high or open enables the side 1 outputs, and low puts them in high impedance."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for the side 1 supply VCC1 (second GND1 pin)."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for the side 2 supply VCC2."
      },
      {
        "number": "10",
        "name": "EN2",
        "type": "input",
        "description": "Output enable for side 2; high or open enables the side 2 outputs, and low puts them in high impedance."
      },
      {
        "number": "11",
        "name": "IND",
        "type": "input",
        "description": "Input channel D on side 2; logic high is VIH ≥ 0.7 × VCCI and logic low is VIL ≤ 0.3 × VCCI."
      },
      {
        "number": "12",
        "name": "INC",
        "type": "input",
        "description": "Input channel C on side 2; logic high is VIH ≥ 0.7 × VCCI and logic low is VIL ≤ 0.3 × VCCI."
      },
      {
        "number": "13",
        "name": "OUTB",
        "type": "output",
        "description": "Output channel B on side 2 (reverse-direction channel); drives to VCCO with IOH limited to −4 mA at 5 V, −2 mA at 3.3 V and −1 mA at 2.5 V."
      },
      {
        "number": "14",
        "name": "OUTA",
        "type": "output",
        "description": "Output channel A on side 2 (reverse-direction channel); drives to VCCO with IOH limited to −4 mA at 5 V, −2 mA at 3.3 V and −1 mA at 2.5 V."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for the side 2 supply VCC2 (second GND2 pin)."
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "Output-side (side 2) supply; recommended supply range is 2.25 V to 5.5 V, and the datasheet specifies a 0.1 µF decoupling capacitor between VCC2 and GND2."
      }
    ],
    "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: Package mismatch: the MPN ISO7842DWWR is sold in the DWW package (super-wide body SOIC-16, body abou; Pin description for OUTA to OUTD and OUTB/OUTC: the datasheet's pin table gives only the direction a; Pin types for EN1/EN2 are mapped to KiCad 'input' because the datasheet lists them as type I. The da"
        ],
        "pages_sent": 22,
        "cost_usd": 0.1059,
        "at": "2026-10-10T18:27:32"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso7842",
        "pages": 39,
        "sha256": "f06d4d581aa89f85",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "iso7842dwwr-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,
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        "sha256": "27e8bba9cb06df8e4f43d88c471ee4313f32814602cdd4105aa659baa1951f9b",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}