GM13487E

{
  "schema_version": 1,
  "type": "component",
  "slug": "gm13487e",
  "title": "GM13487E",
  "brief": "GATEMODE RS-485/RS-422 ICs, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "comm-uart",
    "gm13487e"
  ],
  "component": {
    "mpn": "GM13487E",
    "manufacturer": "GATEMODE",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Comm/UART",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404251454_GATEMODE-GM13487E_C22387906.pdf",
    "parts": {
      "symbol": "gm13487e.kicad_sym",
      "footprint": "gm13487e.kicad_mod",
      "model_3d": "gm13487e-etched.glb",
      "model_3d_plain": "gm13487e.glb",
      "model_3d_step": "gm13487e-etched.step",
      "model_3d_step_plain": "gm13487e.step",
      "lbr": "gm13487e.lbr"
    },
    "distributor_links": {
      "lcsc": "C22387906"
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver Output. When the receiver is enabled and V(A)-V(B) > -50mV, RO is high; when V(A)-V(B) < -200mV, RO is low. High-impedance when the receiver is disabled."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Active-low Receiver Output Enable. Drive /RE low to enable RO; drive /RE high to let the AutoDirection circuit control the receiver. /RE is a hot-swap input with internal pull-up circuitry during power-up."
      },
      {
        "number": "3",
        "name": "/SHDN",
        "type": "input",
        "description": "Active-low Shutdown. Drive /SHDN high for normal operation; drive /SHDN low to put the part in shutdown (typ. 2µA, max 10µA supply current)."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver Input. Drive DI low to force noninverting output (A) low and inverting output (B) high; drive DI high to force A high and B low. DI feeds the internal AutoDirection state machine and is a hot-swap input. Must be driven high to enter the idle state."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Noninverting Receiver Input and Noninverting Driver Output. Connects to the RS-485/RS-422 differential bus 'A' line. ±15kV HBM/Air-Gap ESD protection; input range −7V to +12V common-mode."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting Receiver Input and Inverting Driver Output. Connects to the RS-485/RS-422 differential bus 'B' line. ±15kV HBM/Air-Gap ESD protection; input range −7V to +12V common-mode."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive Supply, VCC = +3.3V ±5% or +5V ±5%. Bypass VCC to GND with a 0.1µF capacitor. Typical ICC = 0.6mA at 5V, 0.47mA at 3.3V (no load)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2404251454_GATEMODE-GM13487E_C22387906.pdf",
        "pages": 14,
        "sha256": "9603302a53488467",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "gm13487e.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gm13487e-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": "bfd95cd421dca9b323b8b779c9bec149595d731d8417cc812b3feddbafcdbfc8",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GATEMODE",
      "Package": "SOP-8",
      "Category": "Comm/UART",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gm13487e"
  ],
  "discovery_pitch": "GM13487E (GATEMODE) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "gm13487e.kicad_sym",
    "gm13487e.kicad_mod",
    "gm13487e.glb",
    "gm13487e.step",
    "gm13487e-etched.step",
    "gm13487e.lbr",
    "docs/hero.png",
    "docs/gm13487e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "GM13487E",
      "kind": "packaging"
    },
    {
      "mpn": "GM13488E",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T21:04:06.624Z"
}