MAX487ESA-HXY

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  "slug": "max487esa-hxy",
  "title": "MAX487ESA-HXY",
  "brief": "HXY MOSFET RS-485/RS-422 ICs, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "MAX487ESA-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Communication Interface Chip",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/58a675af5306cf537c4f85cf34befb32.pdf",
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
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        "status": "no match"
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      "mouser": {
        "pn": null,
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      {
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        "name": "RO",
        "type": "output",
        "description": "Receiver output (labelled R/RO); when RE is low and A-B ≥ +0.2V RO is high, and when A-B ≤ -0.2V RO is low, with a high-impedance output when the receiver is disabled."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active low; RE low enables RO, RE high makes RO high-impedance, and RE high with DE low enters low-power shutdown."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active high; DE high enables the A and B driver outputs, DE low makes them high-impedance, and DE low with RE high enters shutdown."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input (labelled D/DI); with DE high, a low on DI forces A low and B high, and a high on DI forces A high and B low, with a rated input voltage of -0.3V to 6V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Noninverting receiver input and noninverting driver output, with a bus voltage range of -7V to +12V and ±16kV ESD protection."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output, with a bus voltage range of -7V to +12V and ±16kV ESD protection."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply of +5V (5V ±0.25V in the DC characteristics), absolute maximum 6V, bypassed with a 0.1µF capacitor."
      }
    ],
    "provenance": {
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet text does not describe the pin functions, so the descriptions for A, B, DI, RO, RE and",
          "vision extraction: provenance cannot be text-verified; needs consensus"
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        "cost_usd": 0.203,
        "at": "2026-10-23T12:44:10"
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        "pages": 9,
        "sha256": "d6a5dd7f95fa60e6",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "HXY MOSFET",
      "Package": "SOP-8",
      "Category": "Communication Interface Chip",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
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        {
          "name": "Control Input Voltage",
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        {
          "name": "Driver Input Voltage (DI)",
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          "name": "Continuous Power Dissipation",
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          "unit": "mW",
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          "conditions": "TA = +70°C, 8-Pin SO, derate 5.88mW/°C above +70°C",
          "source_page": 1,
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        {
          "name": "Operating Temperature Range",
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          "name": "Storage Temperature Range",
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          "name": "Lead Temperature",
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          "conditions": "soldering, 10sec",
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        },
        {
          "name": "Supply Current in Shutdown",
          "symbol": "ISHDN",
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          "unit": "µA",
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          "conditions": "DE = 0V, RE = VCC",
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        {
          "name": "ESD Protection",
          "symbol": "",
          "kind": "electrical",
          "unit": "kV",
          "min": null,
          "typ": 16,
          "max": null,
          "conditions": "A, B, Y and Z pins, tested using Human Body Model",
          "source_page": 2,
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        {
          "name": "Receiver Enable from Shutdown to Output Low",
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          "conditions": "| tPLH - tPHL | Differential",
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