main
Ray Set visibility: public f1ab60d 17d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "hd568n",
  "title": "HD568N",
  "brief": "Broadic RS-485 / RS-422 ICs, SOP-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",
    "hd568n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HD568N",
    "manufacturer": "Broadic",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603099326428704768",
    "parts": {
      "symbol": "hd568n.kicad_sym",
      "footprint": "hd568n.kicad_mod",
      "model_3d": "hd568n-hero.glb",
      "model_3d_plain": "hd568n-etched.glb",
      "model_3d_step": "hd568n-etched.step",
      "model_3d_step_plain": "hd568n.step",
      "lbr": "hd568n.lbr"
    },
    "distributor_links": {
      "lcsc": "C18208851"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T21:23:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output, valid when RE is low: after polarity detection, RO goes high when V(A)-V(B) > 100 mV and low when V(A)-V(B) < -100 mV."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low: RE low enables RO, RE high disables the receiver, and RE high with DE low puts the whole chip into shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: DE high enables the driver, while DE low disables it and puts its outputs in high-impedance; DE low with RE high puts the chip in shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: DI low forces the non-inverting output low and the inverting output high, and DI high forces the non-inverting output high and the inverting output low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all voltages on the device."
      },
      {
        "number": "6",
        "name": "X1",
        "type": "bidirectional",
        "description": "Bus interface pin that is assigned as the A or B port by the polarity detection (X1 and X2 are one A and one B); it powers up defaulting to the A port, with absolute maximum -8 V to +13 V and common-mode range -7 V to +12 V at VCC = 5 V."
      },
      {
        "number": "7",
        "name": "X2",
        "type": "bidirectional",
        "description": "Bus interface pin that is assigned as the B or A port by the polarity detection (opposite of X1); it powers up defaulting to the B port, with absolute maximum -8 V to +13 V and common-mode range -7 V to +12 V at VCC = 5 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 3.3 V to 5 V (absolute maximum +6 V), to be bypassed to GND with a 0.1 µF capacitor."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet's package dimension drawing (封装尺寸) is blank, so the SOP-8 pin locations are taken from; X1 and X2 are bus pins whose A/B role is assigned at runtime by polarity detection; their type is se"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0499,
        "at": "2026-10-17T21:22:05"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603099326428704768",
        "pages": 12,
        "sha256": "767e135ee1f4ee16",
        "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": "hd568n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hd568n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
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        "sha256": "4073f0b0316074e5f433041a0c3ebb84a5af88d55c8a070460573f5dfbf24286",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Broadic",
      "Package": "SOP-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "767e135ee1f4ee165698c932830ae68198bc31b0380546473bfbd987cbf91b8f",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "All voltages referenced to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage DE, RE, DI",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 6,
          "conditions": "All voltages referenced to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Bus voltage X1, X2",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 13,
          "conditions": "All voltages referenced to GND",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation, 8-pin SO",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 471,
          "conditions": "8-pin SO; derate -5.9 mW/°C above +70°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "",
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          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "10 s",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (3.3 to 5 V operation)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3.3,
          "typ": null,
          "max": 5,
          "conditions": "Product features: 3.3-5V supply voltage",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Common-mode voltage X1, X2",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 12,
          "conditions": "VCC=5V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Common-mode voltage X1, X2",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -7,
          "typ": null,
          "max": 9,
          "conditions": "VCC=3.3V",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Receiver differential input threshold voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "mV",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "-7V≤VCM≤+12V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Output leakage current, receiver high-impedance",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V≤VO≤2.4V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current (X1 and X2) shutdown/power-down",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1.8,
          "max": 10,
          "conditions": "DE GND RE Vcc",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver output short-circuit current",
          "symbol": "IOD1",
          "kind": "electrical",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "0V≤VOUT≤VCC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Receiver output short-circuit current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": -95,
          "typ": null,
          "max": 95,
          "conditions": "0V≤VRO≤VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 480,
          "max": 600,
          "conditions": "No load, RE DI GND or Vcc, DE=VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Static supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 420,
          "max": 600,
          "conditions": "No load, RE DI GND or Vcc, DE=GND",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection X1, X2 pins, contact discharge",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "IEC 61000-4-2",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection X1, X2 pins, human body model",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -16,
          "typ": null,
          "max": 16,
          "conditions": "IEC 60749-26",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection X1, X2 pins, fast transient burst",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "IEC61000-4-4",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection other pins, human body model",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -4,
          "typ": null,
          "max": 4,
          "conditions": "HBM JEDEC JS-001",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection other pins, charged device model",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -1.5,
          "typ": null,
          "max": 1.5,
          "conditions": "CDM JESD22-C101",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic protection other pins, machine model",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": -0.4,
          "typ": null,
          "max": 0.4,
          "conditions": "MM JESD22-A115",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver input to output delay (low to high)",
          "symbol": "tDPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": 720,
          "max": 1000,
          "conditions": "Fig 3 and 5, RDIFF=54Ω, CL=54pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver input to output delay (high to low)",
          "symbol": "tDPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 250,
          "typ": 720,
          "max": 1000,
          "conditions": "Fig 3 and 5, RDIFF=54Ω, CL=54pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver output skew",
          "symbol": "tDSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": -100,
          "typ": -3,
          "max": 100,
          "conditions": "Fig 3 and 5, RDIFF=54Ω, CL1=CL2=100pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver rise and fall time",
          "symbol": "tDR, tDF",
          "kind": "timing",
          "unit": "ns",
          "min": 400,
          "typ": 700,
          "max": 1200,
          "conditions": "Fig 3 and 5, RDIFF=54Ω, CL1=CL2=100pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum data rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "kbps",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver input to output skew",
          "symbol": "tRSKD",
          "kind": "timing",
          "unit": "ns",
          "min": -50,
          "typ": 10,
          "max": 50,
          "conditions": "Fig 7 and 9; |VID|≥2.0V; VID rise/fall time <15 ns",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Chip shutdown time",
          "symbol": "tSHDN",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": 200,
          "max": 600,
          "conditions": "Note 4",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver power dissipation derating",
          "symbol": "",
          "kind": "thermal",
          "unit": "mW/°C",
          "min": null,
          "typ": -5.9,
          "max": null,
          "conditions": "8-pin SO; above +70°C",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "hd568n"
  ],
  "discovery_pitch": "HD568N (Broadic) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
  }
}