ISO1432DWR

{
  "slug": "iso1432dwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Isolated RS-485/422 Transceivers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "signal isolation devices",
    "iso1432dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
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    "README.md",
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    "iso1432dwr.step",
    "iso1432dwr.lbr",
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    "docs/iso1432dwr-datasheet.pdf",
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    "viewers/footprint.html",
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  "component": {
    "mpn": "ISO1432DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Signal Isolation Devices",
    "subcategory": "Isolated RS-485/422 Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/iso1410",
    "parts": {
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      "footprint": "iso1432dwr.kicad_mod",
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      "model_3d_plain": "iso1432dwr.glb",
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      "lbr": "iso1432dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2672372",
      "digikey": "296-ISO1432DWRTR-ND",
      "mouser": "595-ISO1432DWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:01:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-ISO1432DWRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-ISO1432DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Logic-side supply; the datasheet specifies VCC1 from 1.71 V to 5.5 V (1.71 V to 1.89 V for 1.8 V operation, 2.25 V to 5.5 V for 2.5 V, 3.3 V and 5 V operation)."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Logic-side ground connection for VCC1; pin 2 and pin 8 must both be connected to GND1."
      },
      {
        "number": "3",
        "name": "R",
        "type": "output",
        "description": "Receiver output, which drives logic high or low from the bus differential input; the datasheet limits receiver output current to -4 mA to 4 mA."
      },
      {
        "number": "4",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable: logic low enables the receiver output, while logic high or an open pin disables it (high impedance)."
      },
      {
        "number": "5",
        "name": "DE",
        "type": "input",
        "description": "Driver enable: logic high enables the driver outputs, while logic low or an open pin disables them (high impedance)."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "Driver data input; the datasheet specifies VIH of 0.7×VCC1 to VCC1 and VIL of 0 to 0.3×VCC1 for this input."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; device function is unaffected if this pin is tied to a supply or ground on the PCB."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Logic-side ground connection for VCC1; pin 2 and pin 8 must both be connected to GND1."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Bus-side ground connection for VCC2; pin 9 and pin 15 must both be connected to GND2."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; device function is unaffected if this pin is tied to a supply or ground on the PCB."
      },
      {
        "number": "11",
        "name": "Y",
        "type": "output",
        "description": "Driver non-inverting output on the bus side (full-duplex device), driven from D when the driver is enabled."
      },
      {
        "number": "12",
        "name": "Z",
        "type": "output",
        "description": "Driver inverting output on the bus side (full-duplex device), driven from D when the driver is enabled."
      },
      {
        "number": "13",
        "name": "B",
        "type": "input",
        "description": "Bus-side receiver inverting input; bus pins withstand -7 V to 12 V common-mode voltage with absolute maximum of -18 V to 18 V referenced to GND2."
      },
      {
        "number": "14",
        "name": "A",
        "type": "input",
        "description": "Bus-side receiver non-inverting input; bus pins withstand -7 V to 12 V common-mode voltage with absolute maximum of -18 V to 18 V referenced to GND2."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Bus-side ground connection for VCC2; pin 9 and pin 15 must both be connected to GND2."
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "Receiver-side (bus-side) supply; the datasheet specifies VCC2 from 3 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-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet supplied is the Chinese translation (ZHCSID5I); TI states the English version (SLLSF22; Pin table is for the full-duplex device (ISO1432 per the device comparison table, DW 16-pin, 12 Mbps"
        ],
        "pages_sent": 30,
        "cost_usd": 0.1655,
        "at": "2026-10-08T23:01:10"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/iso1410",
        "pages": 48,
        "sha256": "ee0c34ba1cd8865f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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}