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Ray Set visibility: public dccd54f 16d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "isl81487eibz-t",
  "title": "ISL81487EIBZ-T",
  "brief": "RENESAS RS-485 / RS-422 ICs, 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",
    "isl81487eibz-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ISL81487EIBZ-T",
    "manufacturer": "RENESAS",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586173013771358208",
    "parts": {
      "symbol": "isl81487eibz-t.kicad_sym",
      "footprint": "isl81487eibz-t.kicad_mod",
      "model_3d": "isl81487eibz-t-hero.glb",
      "model_3d_plain": "isl81487eibz-t-etched.glb",
      "model_3d_step": "isl81487eibz-t-etched.step",
      "model_3d_step_plain": "isl81487eibz-t.step",
      "lbr": "isl81487eibz-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C11968",
      "mouser": "968-ISL81487EIBZ-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T09:15:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "error"
      },
      "mouser": {
        "pn": "968-ISL81487EIBZ-T",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output: RO is high if A is at least 0.2V above B, low if A is at least 0.2V below B, and high if the inputs are open or floating, and it is high-impedance when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable: RO is enabled when RE is low and goes high-impedance when RE is high."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable: the driver outputs Y and Z are enabled when DE is high and are high-impedance when DE is low."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input: a low on DI forces output Y low and output Z high, and a high on DI forces Y high and Z low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "6",
        "name": "A/Y",
        "type": "bidirectional",
        "description": "Non-inverting RS-485/422 receiver input (A) when DE is low and non-inverting driver output (Y) when DE is high, with ±15kV HBM ESD protection on the RS-485 pin."
      },
      {
        "number": "7",
        "name": "B/Z",
        "type": "bidirectional",
        "description": "Inverting RS-485/422 receiver input (B) when DE is low and inverting driver output (Z) when DE is high, with ±15kV HBM ESD protection on the RS-485 pin."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "System power supply input, 4.5V to 5.5V."
      }
    ],
    "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 pinout is the shared PDIP/SOIC pinout for the ISL8487E/ISL81487L/ISL81487E family, and pin numbe; The A/Y and B/Z pins change function with DE (input when DE=0, output when DE=1); they are typed bid; This datasheet is an Intersil document from 2005 (FN6051.6) and the MPN is listed as ISL81487EIBZ. T"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0989,
        "at": "2026-10-19T09:12:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586173013771358208",
        "pages": 14,
        "sha256": "ecfdf53c54fee927",
        "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": "isl81487eibz-t.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "isl81487eibz-t-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": "a10b314858872e7474f5ecb0c5c2fcfbf9e9aafbad03d9890a02d2016a6b93a3",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "SOIC-8",
      "Category": "Interface",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ecfdf53c54fee927fa8cb3ae382b3fc5853228ba5f12235a4140d75acd83b964",
      "rows": [
        {
          "name": "Driver Differential VOUT (with load), R = 50Ω (RS-422)",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": 3,
          "max": null,
          "conditions": "R = 50Ω (RS-422), (Figure 1)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential VOUT (with load), R = 27Ω (RS-485)",
          "symbol": "VOD2",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": 2.3,
          "max": 5,
          "conditions": "R = 27Ω (RS-485), (Figure 1)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Differential VOUT for Complementary Output States",
          "symbol": "ΔVOD",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.01,
          "max": 0.2,
          "conditions": "R = 27Ω or 50Ω, (Figure 1)",
          "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)",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Change in Magnitude of Driver Common-Mode VOUT for Complementary Output States",
          "symbol": "ΔVOC",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 0.01,
          "max": 0.2,
          "conditions": "R = 27Ω or 50Ω, (Figure 1)",
          "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",
          "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",
          "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",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z), VIN = 12V",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 140,
          "conditions": "DE = 0V, VCC = 4.5 to 5.5V, VIN = 12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z), VIN = -7V",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -120,
          "conditions": "DE = 0V, VCC = 4.5 to 5.5V, VIN = -7V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z), VIN = 12V, VCC = 0V",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 180,
          "conditions": "DE = 0V, VCC = 0V, VIN = 12V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input Current (A/Y, B/Z), VIN = -7V, VCC = 0V",
          "symbol": "IIN2",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -100,
          "conditions": "DE = 0V, VCC = 0V, VIN = -7V",
          "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",
          "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",
          "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",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Three-State (high impedance) Receiver Output Current",
          "symbol": "IOZR",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "0.4V ≤ VO ≤ 2.4V",
          "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",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current (ISL81487E)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 400,
          "max": 500,
          "conditions": "DI, RE = 0V or VCC, DE = VCC",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "No-Load Supply Current (ISL81487E)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 350,
          "max": 420,
          "conditions": "DI, RE = 0V or VCC, DE = 0V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Short-Circuit Current, VO = High or Low",
          "symbol": "IOSD1",
          "kind": "electrical",
          "unit": "mA",
          "min": 35,
          "typ": null,
          "max": 250,
          "conditions": "DE = VCC, -7V ≤ VY or VZ ≤ 12V, (Note 4)",
          "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",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Input to Output Delay (ISL81487E)",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 15,
          "typ": 24,
          "max": 50,
          "conditions": "RDIFF = 54Ω, CL = 100pF, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Output Skew (ISL81487E)",
          "symbol": "tSKEW",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 3,
          "max": 10,
          "conditions": "RDIFF = 54Ω, CL = 100pF, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Differential Rise or Fall Time (ISL81487E)",
          "symbol": "tR, tF",
          "kind": "timing",
          "unit": "ns",
          "min": 3,
          "typ": 12,
          "max": 25,
          "conditions": "RDIFF = 54Ω, CL = 100pF, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output High (ISL81487E)",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 70,
          "conditions": "CL = 100pF, SW = GND, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Enable to Output Low (ISL81487E)",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 14,
          "max": 70,
          "conditions": "CL = 100pF, SW = VCC, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output High (ISL81487E)",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 44,
          "max": 70,
          "conditions": "CL = 15pF, SW = GND, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Driver Disable from Output Low (ISL81487E)",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 21,
          "max": 70,
          "conditions": "CL = 15pF, SW = VCC, (Figure 2)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Input to Output Delay (ISL81487E)",
          "symbol": "tPLH, tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 30,
          "typ": 90,
          "max": 150,
          "conditions": "(Figure 4)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output High (ISL81487E)",
          "symbol": "tZH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = GND, (Figure 5)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Enable to Output Low (ISL81487E)",
          "symbol": "tZL",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = VCC, (Figure 5)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output High (ISL81487E)",
          "symbol": "tHZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = GND, (Figure 5)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Receiver Disable from Output Low (ISL81487E)",
          "symbol": "tLZ",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": 9,
          "max": 50,
          "conditions": "CL = 15pF, SW = VCC, (Figure 5)",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum Data Rate (ISL81487E)",
          "symbol": "fMAX",
          "kind": "timing",
          "unit": "Mbps",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage VCC",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": 5,
          "max": 5.5,
          "conditions": "10% tolerance supply; typicals at VCC = 5V, TA = 25°C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "ISL8XXXIX temperature range",
          "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/Output Voltages A/Y, B/Z",
          "symbol": "VA/Y, VB/Z",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -8,
          "typ": null,
          "max": 12.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Junction Temperature (Plastic Package)",
          "symbol": "TJ",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Storage Temperature Range",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Maximum Lead Temperature (Soldering)",
          "symbol": "TLEAD",
          "kind": "absolute_maximum",
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