SN65HVD75

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn65hvd75",
  "title": "SN65HVD75",
  "brief": "TI 3.3 V half-duplex RS-485 transceiver, SOIC-8. Up to 20 Mbps, IEC ESD, -7 to +12 V bus. Datasheet-verified.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "rs-485",
    "transceiver",
    "soic-8",
    "texas-instruments"
  ],
  "component": {
    "mpn": "SN65HVD75",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface IC",
    "subcategory": "RS-485 transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn65hvd75.pdf",
    "parts": {
      "symbol": "sn65hvd75.kicad_sym",
      "footprint": "sn65hvd75.kicad_mod",
      "model_3d": "sn65hvd75-etched.glb",
      "model_3d_plain": "sn65hvd75.glb",
      "lbr": "sn65hvd75.lbr",
      "model_3d_step": "sn65hvd75-etched.step",
      "model_3d_step_plain": "sn65hvd75.step"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "R",
        "type": "output",
        "description": "Receive data output. Logic-level output from the differential receiver, driven from bus pins A and B. High when A-B > VIT+ (~-20 mV), low when A-B < VIT- (~-150 mV), with 80 mV typical hysteresis."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver enable. Drive low to enable the receiver output R; drive high to place R in high-impedance. 5-V tolerant logic input."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Active-high driver enable. Drive high to enable the differential driver outputs on A and B; drive low to place them in high-impedance. 5-V tolerant logic input."
      },
      {
        "number": "4",
        "name": "D",
        "type": "input",
        "description": "Driver data input. Logic-level input that sets the differential state of bus pins A and B when the driver is enabled (DE = high). 5-V tolerant."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Local device ground (0 V reference)."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting RS-485 bus I/O. Driver output (complementary to B) when DE is high; receiver input (complementary to B) when RE is low. Rated for -7 V to +12 V common-mode with >=12 kV IEC 61000-4-2 contact ESD."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting RS-485 bus I/O. Driver output (complementary to A) when DE is high; receiver input (complementary to A) when RE is low. Rated for -7 V to +12 V common-mode with >=12 kV IEC 61000-4-2 contact ESD."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, 3.0 V to 3.6 V (3.3 V nominal). Bypass locally with a 100 nF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn65hvd75.pdf",
        "pages": 47,
        "sha256": "b46f5803fa8302f9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn65hvd75.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn65hvd75-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": "0af4e26593c41b070ca4a67a8f6d581c61474b494f8df4e20144485754bea79c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Type": "Half-duplex RS-485 transceiver",
      "Data rate": "up to 20 Mbps",
      "Supply voltage": "3.0-3.6 V (3.3 V nominal)",
      "Bus": "A / B differential, -7 to +12 V common-mode",
      "ESD": ">=12 kV IEC 61000-4-2 (contact)",
      "Enables": "RE (active-low), DE (active-high)",
      "Package": "SOIC-8",
      "Body (L×W×H)": "4.9 × 3.9 × 1.75 mm"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn65hvd75",
    "rs-485 transceiver",
    "rs485 driver receiver",
    "half-duplex 485"
  ],
  "discovery_pitch": "SN65HVD75 3.3 V half-duplex RS-485 transceiver (SOIC-8) with datasheet-verified pinout, Adom-authored symbol/footprint/3D, and full provenance.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "docs/hero.png",
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    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65hvd75-etched.step"
  ],
  "variants": [
    {
      "mpn": "SN65HVD75D (SOIC-8, tube)",
      "kind": "packaging"
    },
    {
      "mpn": "SN65HVD75DR (SOIC-8, tape & reel)",
      "kind": "packaging"
    }
  ]
}