THVD8000DDFR

{
  "schema_version": 1,
  "type": "component",
  "slug": "thvd8000ddfr",
  "title": "THVD8000DDFR",
  "brief": "Texas Instruments RS485 Bus Modules, TSOT-23-8. 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",
    "iot-communication modules",
    "thvd8000ddfr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "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"
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        "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": "dc644a91883054d8f75e38542e63c2050dc8f2e8b7f12e1c57dcd93245fbd473",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "thvd8000ddfr-etched.step",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSOT-23-8",
      "Category": "IoT/Communication Modules",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "39011d1cbd68679b38fb37ef98f3bd6481110d6d7354a53b41a025d929180dc0",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic pin input voltage (D, MODE, F_SET)",
          "symbol": "VL",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage at A or B",
          "symbol": "VA, VB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -18,
          "typ": null,
          "max": 18,
          "conditions": "differential or with respect to GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": 24,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
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          "conditions": "",
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          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input differential voltage (A and B)",
          "symbol": "VID",
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          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-mode voltage (A and B)",
          "symbol": "VCM",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 12,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "High-level input voltage (D and MODE)",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "max printed as VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage (D and MODE)",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current, driver",
          "symbol": "IO",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -60,
          "typ": null,
          "max": 60,
          "conditions": "driver",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output current, receiver",
          "symbol": "IO",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "receiver",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Carrier frequency select resistor",
          "symbol": "RF_SET",
          "kind": "recommended_operating",
          "unit": "kΩ",
          "min": 1.5,
          "typ": null,
          "max": 80,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Carrier frequency select resistor tolerance",
          "symbol": "ΔRF_SET",
          "kind": "tolerance",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Recommended load capacitance on F_SET",
          "symbol": "CF_SET",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Operating ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 106.6,
          "max": null,
          "conditions": "DDF (SOT-23), 8 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 38.4,
          "max": null,
          "conditions": "DDF (SOT-23), 8 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 29.9,
          "max": null,
          "conditions": "DDF (SOT-23), 8 pins",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver differential output voltage magnitude",
          "symbol": "|VOD|",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 3.5,
          "max": null,
          "conditions": "RL = 60Ω, –7V ≤ Vtest ≤ 12V, measured at second pulse",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver differential output voltage magnitude",
          "symbol": "|VOD|",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 4,
          "max": null,
          "conditions": "RL = 100Ω, CL = 50pF, measured at second pulse",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Steady-state common-mode output voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": 3,
          "conditions": "RL = 60Ω, CL = 50pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Change in differential driver common-mode output voltage",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "mV",
          "min": -160,
          "typ": null,
          "max": 160,
          "conditions": "RL = 60Ω, CL = 50pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Peak-to-peak driver common-mode output voltage",
          "symbol": "VOC(PP)",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 425,
          "conditions": "RL = 60Ω, CL = 50pF, VCC = 3.3V and VCC = 5V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver short-circuit output current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": 250,
          "conditions": "MODE = VCC, –7V ≤ [VA or VB] ≤ 12V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Minimum carrier frequency",
          "symbol": "f0",
          "kind": "electrical",
          "unit": "kHz",
          "min": 125,
          "typ": null,
          "max": null,
          "conditions": "RF_SET = 77kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum carrier frequency",
          "symbol": "f0",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 5,
          "conditions": "RF_SET = 1.5kΩ",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Carrier frequency duty-cycle distortion",
          "symbol": "DCDf0",
          "kind": "electrical",
          "unit": "%",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "measured over entire f0 operating range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Carrier frequency tolerance",
          "symbol": "Δf0",
          "kind": "tolerance",
          "unit": "%",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "measured with RF_SET of ±2% tolerance",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Carrier frequency variation from spread-spectrum clock",
          "symbol": "ΔfSSC",
          "kind": "electrical",
          "unit": "%",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "measured over full carrier frequency range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Spread-spectrum clock rate",
          "symbol": "fSSC",
          "kind": "electrical",
          "unit": "kHz",
          "min": null,
          "typ": 30,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver bus input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 75,
          "max": 125,
          "conditions": "MODE = GND, VCC = 0V or 5.5V, VI = 12 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver bus input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -97,
          "max": -70,
          "conditions": "MODE = GND, VCC = 0V or 5.5V, VI = –7 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OOK differential swing to detect logic 0",
          "symbol": "VMAG_ZERO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 225,
          "conditions": "MODE = GND, full common-mode range, 125kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OOK differential swing to detect logic 0",
          "symbol": "VMAG_ZERO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "MODE = GND, full common-mode range, 1MHz",
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        {
          "name": "OOK differential swing to detect logic 0",
          "symbol": "VMAG_ZERO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 115,
          "conditions": "MODE = GND, full common-mode range, 5MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OOK differential swing to detect logic 1",
          "symbol": "VMAG_ONE",
          "kind": "electrical",
          "unit": "mV",
          "min": 20,
          "typ": null,
          "max": null,
          "conditions": "125kHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "OOK differential swing to detect logic 1",
          "symbol": "VMAG_ONE",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "1MHz",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input current (D, MODE)",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VO = 0V or VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input current (F_SET)",
          "symbol": "IIN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 55,
          "conditions": "VO = VCC",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.2,
          "max": 0.4,
          "conditions": "IOL=4mA",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Receiver high-impedance output current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VO = 0V or VCC, MODE = 0",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, transmit mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.1,
          "max": 5,
          "conditions": "D = VCC, MODE = VCC, resistor between F_SET and GND, no load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply current, receive mode",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 6,
          "conditions": "D = VCC, MODE = GND, resistor between F_SET and GND, no load",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown temperature",
          "symbol": "TSD",
          "kind": "electrical",
          "unit": "°C",
          "min": 160,
          "typ": 170,
          "max": 185,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Thermal shutdown hysteresis",
          "symbol": "THYS",
          "kind": "electrical",
          "unit": "°C",
          "min": 11,
          "typ": 15,
          "max": null,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Chip power dissipation",
          "symbol": "PDOOK",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 60,
          "max": 80,
          "conditions": "MODE = VCC, RL = 60Ω, no CL, f0 = 125kHz, 12.5kHz (25kbps) clock pattern as data",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Chip power dissipation",
          "symbol": "PDOOK",
          "kind": "electrical",
          "unit": "mW",
          "min": null,
          "typ": 90,
          "max": 125,
          "conditions": "MODE = VCC, RL = 60Ω, no CL, f0 = 5MHz, 500kHz (1Mbps) clock pattern as data",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Driver differential output rise and fall time",
          "symbol": "tr, tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 10,
          "max": 30,
          "conditions": "RL = 60Ω, CL = 50pF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Receiver output rise and fall time",
          "symbol": "tr, tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1.5,
          "max": 16,
          "conditions": "CL = 15pF",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Transmit to receive mode change delay, OOK mode",
          "symbol": "tTX-RX_OOK",
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