SN65HVD34DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn65hvd34dr",
  "title": "SN65HVD34DR",
  "brief": "Texas Instruments RS-485/RS-422 ICs, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "sn65hvd34dr"
  ],
  "component": {
    "mpn": "SN65HVD34DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Comm/UART",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn65hvd34.pdf",
    "parts": {
      "symbol": "sn65hvd34dr.kicad_sym",
      "footprint": "sn65hvd34dr.kicad_mod",
      "model_3d": "sn65hvd34dr-etched.glb",
      "model_3d_plain": "sn65hvd34dr.glb",
      "model_3d_step": "sn65hvd34dr-etched.step",
      "model_3d_step_plain": "sn65hvd34dr.step",
      "lbr": "sn65hvd34dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; must be left floating."
      },
      {
        "number": "2",
        "name": "R",
        "type": "output",
        "description": "Receive data output (digital output). Driven by the differential receiver comparing bus inputs A and B."
      },
      {
        "number": "3",
        "name": "RE",
        "type": "input",
        "description": "Receiver enable, active low (digital input). Drive low to enable the receiver; drive high to place the R output in high-impedance."
      },
      {
        "number": "4",
        "name": "DE",
        "type": "input",
        "description": "Driver enable, active high (digital input). Drive high to enable the driver outputs Y and Z; drive low to place them in high-impedance."
      },
      {
        "number": "5",
        "name": "D",
        "type": "input",
        "description": "Driver data input (digital input). Logic level presented at D drives the differential Y/Z outputs when DE is asserted."
      },
      {
        "number": "6",
        "name": "GND",
        "type": "power_in",
        "description": "Local device ground / reference potential. Pins 6 and 7 are connected together internally."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Local device ground / reference potential. Pins 6 and 7 are connected together internally."
      },
      {
        "number": "8",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection; must be left floating."
      },
      {
        "number": "9",
        "name": "Y",
        "type": "output",
        "description": "Non-inverting driver bus output (complementary to Z). Together with Z forms the differential RS-485/RS-422 transmit pair."
      },
      {
        "number": "10",
        "name": "Z",
        "type": "output",
        "description": "Inverting driver bus output (complementary to Y). Together with Y forms the differential RS-485/RS-422 transmit pair."
      },
      {
        "number": "11",
        "name": "B",
        "type": "input",
        "description": "Inverting receiver bus input (complementary to A). Together with A forms the differential RS-485/RS-422 receive pair."
      },
      {
        "number": "12",
        "name": "A",
        "type": "input",
        "description": "Non-inverting receiver bus input (complementary to B). Together with B forms the differential RS-485/RS-422 receive pair."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "3-V to 3.6-V supply input. Pins 13 and 14 are connected together internally; both must be tied to the supply rail and decoupled."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "3-V to 3.6-V supply input. Pins 13 and 14 are connected together internally; both must be tied to the supply rail and decoupled."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn65hvd34.pdf",
        "pages": 47,
        "sha256": "4f90059e9caf3d07",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn65hvd34dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn65hvd34dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "e899d28b43d7e876e903ca7c6e8f4992e31cc8f7f5c1062ef6059dc8e50747be",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-14",
      "Category": "Comm/UART",
      "Pins": "14"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn65hvd34dr"
  ],
  "discovery_pitch": "SN65HVD34DR (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",
    "sn65hvd34dr.kicad_sym",
    "sn65hvd34dr.kicad_mod",
    "sn65hvd34dr.glb",
    "sn65hvd34dr.step",
    "sn65hvd34dr.lbr",
    "docs/hero.png",
    "docs/sn65hvd34dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65hvd34dr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN65HVD34DRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN65HVD34DRRHL",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:28:30.796Z"
}