XD3485

{
  "schema_version": 1,
  "type": "component",
  "slug": "xd3485",
  "title": "XD3485",
  "brief": "XINLUDA RS-485 / RS-422 ICs, DIP-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",
    "interface",
    "xd3485",
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  "component": {
    "mpn": "XD3485",
    "manufacturer": "XINLUDA",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588915386087170049",
    "parts": {
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      "model_3d_step": "xd3485-etched.step",
      "model_3d_step_plain": "xd3485.step",
      "lbr": "xd3485.lbr"
    },
    "distributor_links": {
      "lcsc": "C609754"
    },
    "distributor_check": {
      "checked_at": "2026-10-15T17:28:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: when /RE is low, RO is high if A-B is at or above +200 mV and low if A-B is at or below -200 mV."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low: RO is active when /RE is low and high-impedance when /RE is high; with /RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high: the driver output is active when DE is high and highly resistive when DE is low; with /RE high and DE low the device enters low-power shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: when DE is high, a low on DI drives output A low and B high, and a high on DI drives A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; the reference point for all voltages on the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Receiver non-inverting input and driver non-inverting output on the bus; bus-side input voltage is limited to -7 V to 13 V."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Receiver inverting input and driver inverting output on the bus; bus-side input voltage is limited to -7 V to 13 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.3 V nominal with a stated operating range of 3.0 V to 3.6 V; absolute maximum supply voltage is +7 V."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table on page 2 is a single Pin Functions table with no separate DIP-8 pin diagram in the ex; The A and B pin descriptions use the bus-side input voltage limits from the absolute maximum table ("
        ],
        "pages_sent": 14,
        "cost_usd": 0.0379,
        "at": "2026-10-15T17:28:27"
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        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    },
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "XINLUDA",
      "Package": "DIP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
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      "rows": [
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "Control Port Voltage (RE, DE, DI)",
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          "min": -0.3,
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        },
        {
          "name": "Bus-side input voltage (A, B)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 13,
          "conditions": "",
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        },
        {
          "name": "Receiver output voltage (RO)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
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        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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        {
          "name": "Storage operating temperature range",
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        {
          "name": "Welding temperature range",
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          "min": null,
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        {
          "name": "Continuous power consumption",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 700,
          "conditions": "DIP-8 package",
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        {
          "name": "Operating voltage range",
          "symbol": "VCC",
          "kind": "recommended_operating",
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          "typ": null,
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          "conditions": "",
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        },
        {
          "name": "Input current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "DE = 0 V, VCC=0 or 3.3V, VIN = 12 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current (A, B)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "uA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "DE = 0 V, VCC=0 or 3.3V, VIN = -7 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Drive Differential Outputs",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "Figure 2, RL = 54 Ω; printed max is the symbol VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Drive Differential Outputs",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "Figure 2, RL = 100 Ω; printed max is the symbol VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in output voltage amplitude",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "Figure 2, RL = 54 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output common mode voltage",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Figure 2, RL = 54 Ω",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in common mode output voltage amplitude",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
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          "max": 0.2,
          "conditions": "Figure 2, RL = 54 Ω",
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        },
        {
          "name": "High Level Input",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, RE",
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        {
          "name": "Low Level Input",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DE, DI, RE",
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        {
          "name": "Logic Input Current",
          "symbol": "IIN1",
          "kind": "electrical",
          "unit": "uA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DE, DI, RE",
          "source_page": 4,
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        },
        {
          "name": "Current at output short-circuit, short-circuit to high",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "Short circuit to 0V~12V",
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        {
          "name": "Current at output short-circuit, short-circuit to low",
          "symbol": "IOSD2",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": null,
          "conditions": "Short circuit to -7V~0V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply Current",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "uA",
          "min": 520,
          "typ": null,
          "max": 800,
          "conditions": "RE=0V, DE = 0 V",
          "source_page": 5,
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        },
        {
          "name": "Supply Current",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "uA",
          "min": 540,
          "typ": null,
          "max": 700,
          "conditions": "RE=VCC, DE=VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Shutdown current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "uA",
          "min": 0.5,
          "typ": null,
          "max": 10,
          "conditions": "RE=VCC, DE=0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver differential output delay",
          "symbol": "tDD",
          "kind": "timing",
          "unit": "ns",
          "min": 10,
          "typ": null,
          "max": 35,
          "conditions": "RDIFF = 60 Ω, CL1=CL2=100pF (See Figure 3 and 4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Output Transition Time",
          "symbol": "tTD",
          "kind": "timing",
          "unit": "ns",
          "min": 12,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 5,
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        },
        {
          "name": "Drive propagation delay from low to high",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 8,
          "typ": null,
          "max": 35,
          "conditions": "RDIFF = 27 Ω, (See Figure 3 and 4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Drive propagation delay from high to low",
          "symbol": "tPHL",
          "kind": "timing",
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          "min": 8,
          "typ": null,
          "max": 35,
          "conditions": "",
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        },
        {
          "name": "Forward Input Threshold Voltage",
          "symbol": "VIT+",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "-7V≦VCM≦12V",
          "source_page": 5,
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        },
        {
          "name": "Reverse Input Threshold Voltage",
          "symbol": "VIT-",
          "kind": "electrical",
          "unit": "mV",
          "min": -200,
          "typ": null,
          "max": null,
          "conditions": "-7V≦VCM≦12V",
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        {
          "name": "Input Hysteresis Voltage",
          "symbol": "Vhys",
          "kind": "electrical",
          "unit": "mV",
          "min": 10,
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          "max": 30,
          "conditions": "-7V≦VCM≦12V",
          "source_page": 5,
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        },
        {
          "name": "Low Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOUT = +2.5mA, VID = -200 mV",
          "source_page": 5,
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        },
        {
          "name": "Tri-state input leakage current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4 V < VO < 2.4 V",
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        },
        {
          "name": "Receiver input resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
          "max": null,
          "conditions": "-7V≦VCM≦12V",
          "source_page": 5,
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        {
          "name": "Receiver short-circuit current",
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          "kind": "electrical",
          "unit": "mA",
          "min": 8,
          "typ": null,
          "max": 60,
          "conditions": "0 V≤VO≤VCC",
          "source_page": 5,
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        {
          "name": "Receiver |tPLH-tPHL| skew",
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          "min": 1,
          "typ": null,
          "max": 8,
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          "name": "Enable to Output High",
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          "name": "Enable to Output Low",
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          "name": "Input low to forbidden energy",
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          "name": "Input high to forbidden energy",
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          "name": "Off condition, Enable to output high",
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          "name": "Off condition, Enable to output low",
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          "name": "Receiver input to output propagation delay from low to high",
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          "name": "Receiver input to output propagation delay from high to low",
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        {
          "name": "Receiver |tRPLH − tRPHL| skew",
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          "name": "Enable to Output Low Time",
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          "name": "Enable to Output High Time",
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          "name": "From high output to disablement time",
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          "name": "Enable to Output High Time in Off State",
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        {
          "name": "Time to shutdown",
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