ISL81487IBZ

{
  "schema_version": 1,
  "type": "component",
  "slug": "isl81487ibz",
  "title": "ISL81487IBZ",
  "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",
    "isl81487ibz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISL81487IBZ",
    "manufacturer": "RENESAS",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ea706b05d9dc43c7e8bbee07d790adaf.pdf",
    "parts": {
      "symbol": "isl81487ibz.kicad_sym",
      "footprint": "isl81487ibz.kicad_mod",
      "model_3d": "isl81487ibz-hero.glb",
      "model_3d_plain": "isl81487ibz-etched.glb",
      "model_3d_step": "isl81487ibz-etched.step",
      "model_3d_step_plain": "isl81487ibz.step",
      "lbr": "isl81487ibz.lbr"
    },
    "distributor_links": {
      "lcsc": "C1543918",
      "digikey": "ISL81487IBZ-ND",
      "mouser": "968-ISL81487IBZ"
    },
    "distributor_check": {
      "checked_at": "2026-10-24T00:09:30Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ISL81487IBZ-ND",
        "status": "found",
        "lifecycle": "Last Time Buy"
      },
      "mouser": {
        "pn": "968-ISL81487IBZ",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output, high if A > B by at least 0.2V, low if A < B by 0.2V or more, and high if A and B are floating; three-state when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Active-low receiver output enable: RO is enabled when RE is low and high impedance when RE is high (logic levels VIH 2V min, VIL 0.8V max)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: driver outputs Y and Z are enabled by bringing DE high and are high impedance when DE is low."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low forces 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": "RS-485/422 level noninverting receiver input and noninverting driver output; input (A) if DE = 0, output (Y) if DE = 1, with -8V to +12.5V absolute maximum."
      },
      {
        "number": "7",
        "name": "B/Z",
        "type": "bidirectional",
        "description": "RS-485/422 level inverting receiver input and inverting driver output; input (B) if DE = 0, output (Z) if DE = 1, with -8V to +12.5V absolute maximum."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "System power supply input, 4.5V to 5.5V (7V absolute maximum), with a 0.1µF bypass capacitor shown in the typical circuit."
      }
    ],
    "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: The two typical operating circuits on page 3 show pins 6 and 7 in different orders, so the page 2 pi"
        ],
        "pages_sent": 14,
        "cost_usd": 0.1588,
        "at": "2026-10-24T00:09:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ea706b05d9dc43c7e8bbee07d790adaf.pdf",
        "pages": 14,
        "sha256": "dc9cba60715b6841",
        "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": "isl81487ibz.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": "2026-10-24",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl81487ibz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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        "checked": "2026-10-24",
        "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": "dc9cba60715b6841ecb9818d72e17f26e892bfb9c3f56b48fac3eb20c95a1a95",
      "rows": [
        {
          "name": "Driver Differential VOUT (no load)",
          "symbol": "VOD1",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 5.5,
          "conditions": "Full; printed max VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential VOUT (with load) RS-422",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 3,
          "max": null,
          "conditions": "R = 50Ω (RS-422), Figure 1, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential VOUT (with load) RS-485",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2.3,
          "max": 5,
          "conditions": "R = 27Ω (RS-485), Figure 1, Full",
          "source_page": 4,
          "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": "R = 27Ω or 50Ω, Figure 1, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver Common-Mode VOUT",
          "symbol": "VOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "R = 27Ω or 50Ω, Figure 1, Full",
          "source_page": 4,
          "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": "R = 27Ω or 50Ω, Figure 1, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "DE, DI, RE, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "DE, DI, RE, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Logic Input Current",
          "symbol": "IIN1",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "DE, DI, RE, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current A/Y, B/Z",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "DE = 0V, VCC = 4.5 to 5.5V, VIN = 12V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current A/Y, B/Z",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -120,
          "conditions": "DE = 0V, VCC = 4.5 to 5.5V, VIN = -7V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current A/Y, B/Z",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "DE = 0V, VCC = 0V, VIN = 12V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current A/Y, B/Z",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "DE = 0V, VCC = 0V, VIN = -7V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Differential Threshold Voltage",
          "symbol": "VTH",
          "kind": "electrical",
          "unit": "V",
          "min": -0.2,
          "typ": null,
          "max": 0.2,
          "conditions": "-7V ≤ VCM ≤ 12V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Hysteresis",
          "symbol": "ΔVTH",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 70,
          "max": null,
          "conditions": "VCM = 0V, 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output High Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "IO = -4mA, VID = 200mV, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IO = -4mA, VID = 200mV, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Three-State Receiver Output Current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "0.4V ≤ VO ≤ 2.4V, Full",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input Resistance",
          "symbol": "RIN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 96,
          "typ": null,
          "max": null,
          "conditions": "-7V ≤ VCM ≤ 12V, ISL81487, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current, DE = VCC",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 400,
          "max": 500,
          "conditions": "ISL81487, DI, RE = 0V or VCC, DE = VCC, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current, DE = 0V",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 350,
          "max": 420,
          "conditions": "ISL81487, DI, RE = 0V or VCC, DE = 0V, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Short-Circuit Current",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "DE = VCC, -7V ≤ VY or VZ ≤ 12V, Note 4, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Short-Circuit Current",
          "symbol": "IOSR",
          "kind": "electrical",
          "unit": "mA",
          "min": 7,
          "typ": null,
          "max": 85,
          "conditions": "0V ≤ VO ≤ VCC, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Input to Output Delay",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 15,
          "typ": 24,
          "max": 50,
          "conditions": "RDIFF = 54Ω, CL = 100pF, Figure 2, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Skew",
          "symbol": "tSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "RDIFF = 54Ω, CL = 100pF, Figure 2, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Rise or Fall Time",
          "symbol": "tR, tF",
          "kind": "timing",
          "unit": "ns",
          "min": 3,
          "typ": 12,
          "max": 25,
          "conditions": "RDIFF = 54Ω, CL = 100pF, Figure 2, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 70,
          "conditions": "CL = 100pF, SW = GND, Figure 3, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 70,
          "conditions": "CL = 100pF, SW = VCC, Figure 3, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 44,
          "max": 70,
          "conditions": "CL = 15pF, SW = GND, Figure 3, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 21,
          "max": 70,
          "conditions": "CL = 15pF, SW = VCC, Figure 3, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input to Output Delay",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 30,
          "typ": 90,
          "max": 150,
          "conditions": "Figure 4, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Skew",
          "symbol": "tSKD",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "|tPLH - tPHL|, Figure 4, 25°C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output High",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = GND, Figure 5, Full",
          "source_page": 5,
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        },
        {
          "name": "Receiver Enable to Output Low",
          "symbol": "tZL",
          "kind": "timing",
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          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = VCC, Figure 5, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output High",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = GND, Figure 5, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output Low",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = VCC, Figure 5, Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Data Rate",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "Full",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply Voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "VCC = 4.5V to 5.5V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature Range",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ISL8XXXIX",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCC to Ground",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage DI, DE, RE",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "-0.5V to (VCC +0.5V)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input/Output Voltage A/Y, B/Z",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 12.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input/Output Voltage RO",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "-0.5V to (VCC +0.5V)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "ESD Rating HBM",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "kV",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "Per MIL-STD-883, Method 3015.7, >7kV",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "Plastic Package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Lead Temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "Soldering 10s, SOIC lead tips only",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Thermal Resistance Junction to Ambient",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 170,
          "max": null,
          "conditions": "8 Ld SOIC, Note 1",
          "source_page": 4,
          "source": "datasheet"
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  "discovery_pitch": "ISL81487IBZ (RENESAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "isl81487ibz.step",
    "isl81487ibz.lbr",
    "docs/hero.png",
    "docs/isl81487ibz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "isl81487ibz-hero.glb",
    "isl81487ibz-hero.overlay.json",
    "isl81487ibz-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}