ISL3178EIBZ-T7A

{
  "schema_version": 1,
  "type": "component",
  "slug": "isl3178eibz-t7a",
  "title": "ISL3178EIBZ-T7A",
  "brief": "RENESAS Pre-ordered Chips, SOIC-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 ics",
    "isl3178eibz-t7a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISL3178EIBZ-T7A",
    "manufacturer": "RENESAS",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/02e56f5b030e43cdbe005755bdf97423.pdf",
    "parts": {
      "symbol": "isl3178eibz-t7a.kicad_sym",
      "footprint": "isl3178eibz-t7a.kicad_mod",
      "model_3d": "isl3178eibz-t7a-hero.glb",
      "model_3d_plain": "isl3178eibz-t7a-etched.glb",
      "model_3d_step": "isl3178eibz-t7a-etched.step",
      "model_3d_step_plain": "isl3178eibz-t7a.step",
      "lbr": "isl3178eibz-t7a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671102",
      "digikey": "ISL3178EIBZ-T7ATR-ND",
      "mouser": "968-ISL3178EIBZ-T7A"
    },
    "distributor_check": {
      "checked_at": "2026-11-02T19:19:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISL3178EIBZ-T7ATR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "968-ISL3178EIBZ-T7A",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: high if A-B ≥ -50mV, low if A-B ≤ -200mV, and high if A and B are floating or shorted."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable: RO is enabled when RE is low and high impedance when RE is high; if unused, connect to GND directly or through 1kΩ to 3kΩ."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: driver outputs are enabled when DE is high and high impedance when DE is low; if unused, connect to VCC through 1kΩ to 3kΩ."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low forces output Y low and Z high, a high forces Y high and Z low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "6",
        "name": "A/Y",
        "type": "bidirectional",
        "description": "±15kV IEC61000 ESD protected RS-485/422 noninverting receiver input and noninverting driver output; input if DE = 0, output if DE = 1."
      },
      {
        "number": "7",
        "name": "B/Z",
        "type": "bidirectional",
        "description": "±15kV IEC61000 ESD protected RS-485/422 inverting receiver input and inverting driver output; input if DE = 0, output if DE = 1."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "System power supply input (3.0V to 3.6V)."
      }
    ],
    "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-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 14,
        "cost_usd": 0.1906,
        "at": "2026-11-02T19:18:53"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/02e56f5b030e43cdbe005755bdf97423.pdf",
        "pages": 24,
        "sha256": "a078fda83c895dae",
        "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"
    },
    "models_3d": [
      {
        "file": "isl3178eibz-t7a.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": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl3178eibz-t7a-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": "684d3707e382b81da92aa1a28c4aa2215233639f4c1b4ddee40b6a30f33f62c7",
        "checked": "2026-11-02",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "SOIC-8",
      "Category": "Interface ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a078fda83c895dae08efa2d04378fee766c7b8c0a980d01c20608e46dd096fd8",
      "rows": [
        {
          "name": "Driver Differential VOUT",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 2.3,
          "max": null,
          "conditions": "RL = 100Ω (RS-422), VCC ≥ 3.15V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential VOUT",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2,
          "max": null,
          "conditions": "RL = 54Ω (RS-485)",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential VOUT",
          "symbol": "VOD",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2.2,
          "max": null,
          "conditions": "RL = 60Ω, -7V ≤ VCM ≤ 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Differential VOUT",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.01,
          "max": 0.2,
          "conditions": "RL = 54Ω or 100Ω",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Driver Common-Mode VOUT",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 2,
          "max": 3,
          "conditions": "RL = 54Ω or 100Ω",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Common-Mode VOUT",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.01,
          "max": 0.2,
          "conditions": "RL = 54Ω or 100Ω",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Logic Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DI, DE, RE",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DI, DE, RE",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Current",
          "symbol": "IIN1",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DI = DE = RE = 0V or VCC",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 80,
          "max": 125,
          "conditions": "DE = 0V, VCC = 0V or 3.6V, VIN = 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z)",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": -100,
          "typ": -50,
          "max": null,
          "conditions": "DE = 0V, VCC = 0V or 3.6V, VIN = -7V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Driver Short-Circuit Current",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": -250,
          "typ": null,
          "max": 250,
          "conditions": "DE = VCC, -7V ≤ VY or VZ ≤ 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Receiver Differential Threshold Voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "mV",
          "min": -200,
          "typ": -125,
          "max": -50,
          "conditions": "-7V ≤ VCM ≤ 12V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.17,
          "max": 0.4,
          "conditions": "IO = -4mA, VID = -200mV",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Three-State Receiver Output Current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0.015,
          "max": 1,
          "conditions": "0.4V ≤ VO ≤ 2.4V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": 150,
          "max": null,
          "conditions": "-7V ≤ VCM ≤ 12V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Receiver Short-Circuit Current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": 30,
          "max": 60,
          "conditions": "0V ≤ VO ≤ VCC",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Hysteresis",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VCM = 0V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Thermal Shutdown Threshold",
          "symbol": "TSD",
          "kind": "thermal",
          "unit": "°C",
          "min": null,
          "typ": 150,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 510,
          "max": 800,
          "conditions": "DI = 0V or VCC, DE = VCC, RE = 0V or VCC",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 480,
          "max": 700,
          "conditions": "DE = 0V, RE = 0V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Shutdown Supply Current",
          "symbol": "ISHDN",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 0.01,
          "max": 12,
          "conditions": "DE = 0V, RE = VCC, DI = 0V or VCC",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Driver Maximum Data Rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 20,
          "typ": 28,
          "max": null,
          "conditions": "VOD = ±1.5V, CD = 350pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Output Delay",
          "symbol": "tDD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 27,
          "max": 40,
          "conditions": "RDIFF = 54Ω, CD = 50pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Output Skew",
          "symbol": "tSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1,
          "max": 3,
          "conditions": "RDIFF = 54Ω, CD = 50pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Skew, Part-to-Part",
          "symbol": "tDSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 11,
          "conditions": "RDIFF = 54Ω, CD = 50pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Rise or Fall Time",
          "symbol": "tR, tF",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 15,
          "conditions": "RDIFF = 54Ω, CD = 50pF",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 17,
          "max": 50,
          "conditions": "RL = 500Ω, CL = 50pF, SW = GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 16,
          "max": 40,
          "conditions": "RL = 500Ω, CL = 50pF, SW = VCC",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 25,
          "max": 40,
          "conditions": "RL = 500Ω, CL = 50pF, SW = GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 28,
          "max": 50,
          "conditions": "RL = 500Ω, CL = 50pF, SW = VCC",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Time to Shutdown",
          "symbol": "tSHDN",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": 200,
          "max": 600,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable from Shutdown to Output High",
          "symbol": "tZH(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 180,
          "max": 700,
          "conditions": "RL = 500Ω, CL = 50pF, SW = GND",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable from Shutdown to Output Low",
          "symbol": "tZL(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 90,
          "max": 700,
          "conditions": "RL = 500Ω, CL = 50pF, SW = VCC",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Maximum Data Rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 20,
          "typ": 35,
          "max": null,
          "conditions": "VID = ±1.5V, ISL3176E-78E",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input to Output Delay",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 25,
          "typ": 33,
          "max": 60,
          "conditions": "ISL3176E-78E",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Skew |tPLH - tPHL|",
          "symbol": "tSKD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 1.5,
          "max": 4,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Skew, Part-to-Part",
          "symbol": "tRSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": 11,
          "max": 17,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = GND, ISL3176E-78E",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": 11,
          "max": 17,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = VCC, ISL3176E-78E",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": 4,
          "typ": 7,
          "max": 15,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = GND, ISL3176E-78E",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": 4,
          "typ": 7,
          "max": 15,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = VCC, ISL3176E-78E",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Receiver Time to Shutdown",
          "symbol": "tSHDN",
          "kind": "timing",
          "unit": "ns",
          "min": 50,
          "typ": 180,
          "max": 600,
          "conditions": "",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable from Shutdown to Output High",
          "symbol": "tZH(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 240,
          "max": 500,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = GND",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable from Shutdown to Output Low",
          "symbol": "tZL(SHDN)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 240,
          "max": 500,
          "conditions": "RL = 1kΩ, CL = 15pF, SW = VCC",
          "source_page": 10,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage (test conditions)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": 3.3,
          "max": 3.6,
          "conditions": "Electrical Specifications test conditions",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VCC to GND",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage DI",
          "symbol": "DI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage DE, RE",
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