SIT3088EEUA

{
  "schema_version": 1,
  "type": "component",
  "slug": "sit3088eeua",
  "title": "SIT3088EEUA",
  "brief": "SIT RS-485 / RS-422 ICs, MSOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sit3088eeua"
  ],
  "component": {
    "mpn": "SIT3088EEUA",
    "manufacturer": "SIT",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2111241030_SIT-SIT3088EEUA_C2922535.pdf",
    "parts": {
      "symbol": "sit3088eeua.kicad_sym",
      "footprint": "sit3088eeua.kicad_mod",
      "model_3d": "sit3088eeua-etched.glb",
      "model_3d_plain": "sit3088eeua.glb",
      "model_3d_step": "sit3088eeua-etched.step",
      "model_3d_step_plain": "sit3088eeua.step",
      "lbr": "sit3088eeua.lbr"
    },
    "distributor_links": {
      "lcsc": "C2922535"
    },
    "pins": [
      {
        "number": "1",
        "name": "RO",
        "type": "output",
        "description": "Receiver Output. When /RE is low and (A - B) >= -10 mV, RO is high; when (A - B) <= -200 mV, RO is low. High-impedance when /RE is high."
      },
      {
        "number": "2",
        "name": "/RE",
        "type": "input",
        "description": "Receiver Output Enable (active low). Drive /RE low to enable RO; RO is high-impedance when /RE is high. Drive /RE high and DE low to enter low-power shutdown mode."
      },
      {
        "number": "3",
        "name": "DE",
        "type": "input",
        "description": "Driver Output Enable (active high). Drive DE high to enable driver outputs A and B; outputs are high-impedance when DE is low. Drive /RE high and DE low to enter low-power shutdown mode."
      },
      {
        "number": "4",
        "name": "DI",
        "type": "input",
        "description": "Driver Input. With DE high, a low on DI forces A low and B high; a high on DI forces A high and B low."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. All voltages are referenced to this pin."
      },
      {
        "number": "6",
        "name": "A",
        "type": "bidirectional",
        "description": "Non-inverting receiver input and non-inverting driver output (RS-485/RS-422 bus line A). Withstands -15V to +15V bus fault, 15kV HBM ESD protected."
      },
      {
        "number": "7",
        "name": "B",
        "type": "bidirectional",
        "description": "Inverting receiver input and inverting driver output (RS-485/RS-422 bus line B). Withstands -15V to +15V bus fault, 15kV HBM ESD protected."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, 3.0 V to 5.5 V operating range (6.5 V absolute max). Bypass locally to GND with a 0.1 µF ceramic capacitor."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2111241030_SIT-SIT3088EEUA_C2922535.pdf",
        "pages": 19,
        "sha256": "7b3ff7bae541908c",
        "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": [
        -2.1125,
        -0.975
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "MSOP-8_3x3mm_P0.65mm@sha256:c85207be7edf4b5e",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sit3088eeua.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sit3088eeua-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3,
          0.95
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d8025f91f4f9be6bfc2706536fbe258527c1ada9c86f16ef5e16ce0245361bdd",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Unknown",
      "Package": "MSOP-8",
      "Category": "Interface",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sit3088eeua"
  ],
  "discovery_pitch": "SIT3088EEUA (Unknown) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sit3088eeua.kicad_sym",
    "sit3088eeua.kicad_mod",
    "sit3088eeua.glb",
    "sit3088eeua.step",
    "sit3088eeua-etched.step",
    "sit3088eeua.lbr",
    "docs/hero.png",
    "docs/sit3088eeua-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "SIT3088EEUA",
      "kind": "packaging"
    },
    {
      "mpn": "SIT3088EEUAEESA",
      "kind": "packaging"
    },
    {
      "mpn": "SIT3088EEUAEEPA",
      "kind": "packaging"
    },
    {
      "mpn": "SIT3088EEUAETK",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:03:30.056Z"
}