SN65HVD12DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn65hvd12dr",
  "title": "SN65HVD12DR",
  "brief": "Texas Instruments RS-485 / RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sn65hvd12dr"
  ],
  "component": {
    "mpn": "SN65HVD12DR",
    "manufacturer": "Texas Instruments",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn65hvd12.pdf",
    "parts": {
      "symbol": "sn65hvd12dr.kicad_sym",
      "footprint": "sn65hvd12dr.kicad_mod",
      "model_3d": "sn65hvd12dr-etched.glb",
      "model_3d_plain": "sn65hvd12dr.glb",
      "model_3d_step": "sn65hvd12dr-etched.step",
      "model_3d_step_plain": "sn65hvd12dr.step",
      "lbr": "sn65hvd12dr.lbr"
    },
    "distributor_links": {
      "digikey": "296-26338-2-ND",
      "lcsc": "C58890"
    },
    "pins": [
      {
        "number": "1",
        "name": "R",
        "type": "output",
        "description": "Receive data output. CMOS-level output reflecting the state of the RS-485 differential bus (A-B). Sourced up to |IOH| = 8 mA / sunk up to IOL = 8 mA."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver enable. Drive low to enable receiver output R; drive high to place R in high-impedance (used to enter low-power standby together with DE=0)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Active-high driver enable. Drive high to enable the differential driver onto A/B; drive low to place A/B in high-impedance."
      },
      {
        "number": "4",
        "name": "D",
        "type": "input",
        "description": "Driver data input. CMOS logic input whose state is transmitted differentially on A/B when DE is high. VIH ≥ 2 V, VIL ≤ 0.8 V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Local device ground / reference potential."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "RS-485 differential bus I/O, non-inverting side. Driver output or receiver input, complementary to B. Rated -7 V to 12 V continuous, ±16-kV HBM ESD."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "RS-485 differential bus I/O, inverting side. Driver output or receiver input, complementary to A. Rated -7 V to 12 V continuous, ±16-kV HBM ESD."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3 V to 3.6 V nominal. ICC ≈ 9 mA active, ≈ 1 μA standby (RE high, DE low)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn65hvd12.pdf",
        "pages": 37,
        "sha256": "c180625a50ecb754",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sn65hvd12dr.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": "sn65hvd12dr-etched.step",
        "role": "eda",
        "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": "5c990710f674b3936fdedbe39e414acfd1a20ecc8a54b2d12a372da7dfddf557",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn65hvd12dr"
  ],
  "discovery_pitch": "SN65HVD12DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn65hvd12dr.kicad_sym",
    "sn65hvd12dr.kicad_mod",
    "sn65hvd12dr.glb",
    "sn65hvd12dr.step",
    "sn65hvd12dr.lbr",
    "docs/hero.png",
    "docs/sn65hvd12dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65hvd12dr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN65HVD12DRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN65HVD12DR",
      "kind": "packaging"
    },
    {
      "mpn": "SN65HVD12DRP",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:24:32.647Z"
}