SP483EEN-L

{
  "schema_version": 1,
  "type": "component",
  "slug": "sp483een-l",
  "title": "SP483EEN-L",
  "brief": "MaxLinear RS-485 / RS-422 ICs, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sp483een-l"
  ],
  "component": {
    "mpn": "SP483EEN-L",
    "manufacturer": "MaxLinear",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/1cb6973e2f775cd7d6a78e496958d1ec.pdf",
    "parts": {
      "symbol": "sp483een-l.kicad_sym",
      "footprint": "sp483een-l.kicad_mod",
      "model_3d": "sp483een-l-etched.glb",
      "model_3d_plain": "sp483een-l.glb",
      "model_3d_step": "sp483een-l-etched.step",
      "model_3d_step_plain": "sp483een-l.step",
      "lbr": "sp483een-l.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver output. CMOS logic output driven from the differential A/B receiver; VOH ≥ 3.5V (IO = -4mA), VOL ≤ 0.4V (IO = 4mA). High-impedance (tri-state) when RE is high."
      },
      {
        "number": "2",
        "name": "RE",
        "type": "input",
        "description": "Receiver output enable, active LOW. Drive low to enable the receiver output RO; drive high to place RO in high-impedance state. TTL/CMOS-compatible input (VIH ≥ 2.0V, VIL ≤ 0.8V)."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver output enable, active HIGH. Drive high to enable the differential driver on A/B; drive low to place A/B in high-impedance state. TTL/CMOS-compatible input (VIH ≥ 2.0V, VIL ≤ 0.8V)."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver input. CMOS/TTL logic input that drives the differential A/B outputs when the driver is enabled. VIH ≥ 2.0V, VIL ≤ 0.8V; input current ≤ 10µA."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Connect to system ground with a low-impedance return."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting RS-485/RS-422 bus line. Acts as the non-inverting driver output when DE is high and as the non-inverting receiver input when RE is low. Withstands -7V to +12V common-mode range; ±15kV HBM / ±8kV IEC contact ESD protected."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting RS-485/RS-422 bus line. Acts as the inverting driver output when DE is high and as the inverting receiver input when RE is low. Withstands -7V to +12V common-mode range; ±15kV HBM / ±8kV IEC contact ESD protected."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 4.75V ≤ VCC ≤ 5.25V (nominal 5V). Decouple to GND with a 0.1µF ceramic capacitor placed close to the pin. Absolute maximum 7.0V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/1cb6973e2f775cd7d6a78e496958d1ec.pdf",
        "pages": 11,
        "sha256": "0d6131874ed6a889",
        "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"
    },
    "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": "sp483een-l.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": "sp483een-l-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": "6f29ba84fb275b38f98a08401983cc01360cfc4dc6b63a9186a7e1752f34631c",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "SOIC-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sp483een-l"
  ],
  "discovery_pitch": "SP483EEN-L (MaxLinear) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp483een-l.kicad_sym",
    "sp483een-l.kicad_mod",
    "sp483een-l.glb",
    "sp483een-l.step",
    "sp483een-l-etched.step",
    "sp483een-l.lbr",
    "docs/hero.png",
    "docs/sp483een-l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SP483EEN-L/TR",
      "kind": "packaging"
    },
    {
      "mpn": "SP483EEN-LECN-L/TR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:59:45.939Z"
}