ISO1410BDWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "iso1410bdwr",
  "title": "ISO1410BDWR",
  "brief": "Texas Instruments RS-485/RS-422 ICs, SOIC-16-300mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "iso1410bdwr"
  ],
  "component": {
    "mpn": "ISO1410BDWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16-300mil",
    "pin_count": 16,
    "category": "Comm/UART",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/iso1410bdwr.pdf",
    "parts": {
      "symbol": "iso1410bdwr.kicad_sym",
      "footprint": "iso1410bdwr.kicad_mod",
      "model_3d": "iso1410bdwr-etched.glb",
      "model_3d_plain": "iso1410bdwr.glb",
      "model_3d_step": "iso1410bdwr-etched.step",
      "model_3d_step_plain": "iso1410bdwr.step",
      "lbr": "iso1410bdwr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC1",
        "type": "power_in",
        "description": "Logic-side power supply. 1.71-1.89 V for 1.8-V operation, or 2.25-5.5 V for 2.5/3.3/5-V operation. Bypass to GND1 with a local decoupling capacitor."
      },
      {
        "number": "2",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1 (logic side). Must be tied to the same ground as pin 8 on the PCB."
      },
      {
        "number": "3",
        "name": "R",
        "type": "output",
        "description": "Receiver output on the logic side. CMOS output that drives the MCU/FPGA RX pin at VCC1 levels."
      },
      {
        "number": "4",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable (active low). Drive low to enable the receiver output on R; drive high or leave open to disable/tri-state R. Referenced to VCC1/GND1 logic levels."
      },
      {
        "number": "5",
        "name": "DE",
        "type": "input",
        "description": "Driver enable (active high). Drive high to enable the RS-485 bus driver outputs (A/B); low or open disables the driver, tri-stating the bus pins."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "Driver input on the logic side. CMOS input from the MCU/FPGA TX pin; sampled at VCC1 logic levels when DE is asserted."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Device functionality is not affected if this pin is connected to supply or ground on the PCB."
      },
      {
        "number": "8",
        "name": "GND1",
        "type": "power_in",
        "description": "Ground connection for VCC1 (logic side). Must be tied together with pin 2 to GND1 on the PCB."
      },
      {
        "number": "9",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2 (bus side, isolated). Must be tied together with pin 15 to GND2 on the PCB."
      },
      {
        "number": "10",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Device functionality is not affected if this pin is connected to supply or ground on the PCB."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Device functionality is not affected if this pin is connected to supply or ground on the PCB."
      },
      {
        "number": "12",
        "name": "A",
        "type": "bidirectional",
        "description": "RS-485 bus-side non-inverting I/O. Driver non-inverting output when DE is high; receiver non-inverting input when RE is low. Withstands −7 V to +12 V common-mode; ±18 V absolute max w.r.t. GND2."
      },
      {
        "number": "13",
        "name": "B",
        "type": "bidirectional",
        "description": "RS-485 bus-side inverting I/O. Driver inverting output when DE is high; receiver inverting input when RE is low. Same common-mode and absolute-max range as A."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Device functionality is not affected if this pin is connected to supply or ground on the PCB."
      },
      {
        "number": "15",
        "name": "GND2",
        "type": "power_in",
        "description": "Ground connection for VCC2 (bus side, isolated). Must be tied together with pin 9 to GND2 on the PCB."
      },
      {
        "number": "16",
        "name": "VCC2",
        "type": "power_in",
        "description": "Transceiver-side (bus-side) power supply, 3.0-5.5 V. Isolated from VCC1 across the reinforced isolation barrier. Bypass to GND2 with a local decoupling capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/iso1410bdwr.pdf",
        "pages": 49,
        "sha256": "36c9ab5123938800",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "iso1410bdwr.step",
        "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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "iso1410bdwr-etched.step",
        "role": "eda",
        "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": "3ad16a2d0a920372dd59c7429bcf9fad72cfca058768610777ab2edb0699289a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16-300mil",
      "Category": "Comm/UART",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "iso1410bdwr"
  ],
  "discovery_pitch": "ISO1410BDWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "iso1410bdwr.kicad_sym",
    "iso1410bdwr.kicad_mod",
    "iso1410bdwr.glb",
    "iso1410bdwr.step",
    "iso1410bdwr-etched.step",
    "iso1410bdwr.lbr",
    "docs/hero.png",
    "docs/iso1410bdwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "ISO1410BDWR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T23:01:15.306Z"
}