SN65HVD78DRBR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn65hvd78drbr",
  "title": "SN65HVD78DRBR",
  "brief": "Texas Instruments RS-485 / RS-422 ICs, SON-8-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sn65hvd78drbr",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SN65HVD78DRBR",
    "manufacturer": "Texas Instruments",
    "package": "SON-8-EP(3x3)",
    "pin_count": 9,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn65hvd75",
    "parts": {
      "symbol": "sn65hvd78drbr.kicad_sym",
      "footprint": "sn65hvd78drbr.kicad_mod",
      "model_3d": "sn65hvd78drbr-hero.glb",
      "model_3d_plain": "sn65hvd78drbr.glb",
      "model_3d_step": "sn65hvd78drbr-etched.step",
      "model_3d_step_plain": "sn65hvd78drbr.step",
      "lbr": "sn65hvd78drbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2869504",
      "digikey": "296-49258-2-ND",
      "mouser": "595-SN65HVD78DRBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T21:12:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-49258-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN65HVD78DRBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "R",
        "type": "output",
        "description": "Receive data output (digital output) from the bus receiver."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver enable digital input; the datasheet specifies VIH of 2 V minimum and VIL of 0.8 V maximum for this input."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Active-high driver enable digital input; the datasheet specifies VIH of 2 V minimum and VIL of 0.8 V maximum for this input."
      },
      {
        "number": "4",
        "name": "D",
        "type": "input",
        "description": "Driver data input (digital input); the datasheet specifies VIH of 2 V minimum and VIL of 0.8 V maximum, with absolute maximum voltage of -0.3 V to 5.7 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Local device ground, the reference potential for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Bus I/O: driver output or receiver input, complementary to B; voltage at A or B is limited to -13 V to 16.5 V per the absolute maximum ratings."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Bus I/O: driver output or receiver input, complementary to A; voltage at A or B is limited to -13 V to 16.5 V per the absolute maximum ratings."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; the datasheet specifies 3 V to 3.6 V (3.3 V nominal), with absolute maximum of -0.5 V to 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 package hint says SON-8-EP(3x3), but the extracted text lists only the 8 signal pins for the DRB; The MPN SN65HVD78DRBR is confirmed as a DRB (VSON, 3000 pcs T&R) orderable part in the package optio",
          "exposed pad 9 added from the footprint"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0797,
        "at": "2026-10-08T21:12:24"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn65hvd75",
        "pages": 46,
        "sha256": "34f5900786acbc46",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3,
          2.98,
          0.82
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cbee016fb8ee69c44b13d8818fcf65dcf240f5fdca70b22700521eb617c5311a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn65hvd78drbr-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4ab98615beed968499d3145624633f365bb71d0936a6087b9299a211b188a69a",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SON-8-EP(3x3)",
      "Category": "Interface",
      "Pins": "9"
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
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  "discovery_triggers": [
    "sn65hvd78drbr"
  ],
  "discovery_pitch": "SN65HVD78DRBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
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}