THVD8000DDFR

{
  "slug": "thvd8000ddfr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS485 Bus Modules, TSOT-23-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "iot-communication modules",
    "thvd8000ddfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "thvd8000ddfr.kicad_sym",
    "thvd8000ddfr.kicad_mod",
    "thvd8000ddfr.glb",
    "thvd8000ddfr.step",
    "thvd8000ddfr.lbr",
    "docs/hero.png",
    "docs/thvd8000ddfr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "thvd8000ddfr-hero.glb",
    "thvd8000ddfr-hero.overlay.json",
    "thvd8000ddfr-etched.glb"
  ],
  "component": {
    "mpn": "THVD8000DDFR",
    "manufacturer": "Texas Instruments",
    "package": "TSOT-23-8",
    "pin_count": 8,
    "category": "IoT/Communication Modules",
    "subcategory": "RS485 Bus Modules",
    "datasheet": "https://www.ti.com/cn/lit/gpn/thvd8000",
    "parts": {
      "symbol": "thvd8000ddfr.kicad_sym",
      "footprint": "thvd8000ddfr.kicad_mod",
      "model_3d": "thvd8000ddfr-hero.glb",
      "model_3d_plain": "thvd8000ddfr-etched.glb",
      "model_3d_step": "thvd8000ddfr-etched.step",
      "model_3d_step_plain": "thvd8000ddfr.step",
      "lbr": "thvd8000ddfr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2848812"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T20:43:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "R",
        "type": "output",
        "description": "Digital receive data output, with VOH of at least VCC-0.4 V at -4 mA and VOL of at most 0.4 V at 4 mA, and high-impedance when MODE is low-level transmit disabled (driven high in transmit mode disabled)."
      },
      {
        "number": "2",
        "name": "MODE",
        "type": "input",
        "description": "Digital input selecting transmit/receive mode (low = receive, high = transmit), with an internal 2 MΩ pulldown to GND."
      },
      {
        "number": "3",
        "name": "F_SET",
        "type": "input",
        "description": "Analog input for carrier frequency selection using a resistor to GND (1.5 kΩ to 80 kΩ recommended, 125 kHz to 5 MHz carrier)."
      },
      {
        "number": "4",
        "name": "D",
        "type": "input",
        "description": "Digital driver data input with an internal 2 MΩ pullup to VCC."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Bus I/O port A (complementary to B), with ±18 V DC fault protection and ±16 kV HBM ESD."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Bus I/O port B (complementary to A), with ±18 V DC fault protection and ±16 kV HBM ESD."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Device power supply, 3 V to 5.5 V recommended operating range (absolute maximum 7 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Datasheet pin table (page 3) labels the package as DRL, 8-pin SOT-23, while the thermal table and or; Pin 1 (R) description: the table only says 'receive data output'. The high-impedance state is inferr; Pin 8 description: the pin table says 3.3 V to 5 V supply, while the recommended operating range is "
        ],
        "pages_sent": 28,
        "cost_usd": 0.1708,
        "at": "2026-10-22T20:43:03"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/thvd8000",
        "pages": 28,
        "sha256": "39011d1cbd68679b",
        "source_tier": "lcsc"
      },
      "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": "thvd8000ddfr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "thvd8000ddfr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.8,
          2.9,
          0.95
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "310ace18da13ca4a229130fdda6f6d1ef7b1e6d2e9a003d22916978820795a47",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}