SP3232EEN-L

{
  "schema_version": 1,
  "type": "component",
  "slug": "sp3232een-l",
  "title": "SP3232EEN-L",
  "brief": "MaxLinear RS232 ICs, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "sp3232een-l"
  ],
  "component": {
    "mpn": "SP3232EEN-L",
    "manufacturer": "MaxLinear",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/7926e2155f4694c0ed5e2b72d2f8c464.pdf",
    "parts": {
      "symbol": "sp3232een-l.kicad_sym",
      "footprint": "sp3232een-l.kicad_mod",
      "model_3d": "sp3232een-l-etched.glb",
      "model_3d_plain": "sp3232een-l.glb",
      "model_3d_step": "sp3232een-l-etched.step",
      "model_3d_step_plain": "sp3232een-l.step",
      "lbr": "sp3232een-l.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor C1. Connect a 0.1uF ceramic capacitor between C1+ and C1-."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "+5.5V (typ.) charge-pump output. Bypass to GND with a 0.1uF ceramic capacitor (C3). Supplies the positive rail for the RS-232 drivers."
      },
      {
        "number": "3",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage-doubler charge-pump capacitor C1."
      },
      {
        "number": "4",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump capacitor C2. Connect a 0.1uF ceramic capacitor between C2+ and C2-."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump capacitor C2."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "-5.5V (typ.) charge-pump output. Bypass to GND with a 0.1uF ceramic capacitor (C4). Supplies the negative rail for the RS-232 drivers."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "RS-232 driver 2 output. Inverting level-shifted output that swings between V+ and V- (typ. +/-5.4V). Short-circuit protected to GND continuously."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "RS-232 receiver 2 input. Accepts +/-15V RS-232 signaling with 3-7kOhm (5k typ.) input resistance and ~300mV hysteresis."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 2 output. Inverted logic-level output referenced to VCC; drives VCC-0.6V HIGH at IOUT=-1mA and <0.4V LOW at IOUT=1.6mA."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "TTL/CMOS driver 2 input. VIL <=0.8V, VIH >=2.0V (VCC=3.3V) or >=2.4V (VCC=5.0V). ~250mV hysteresis, no internal pull-up (tie unused inputs to VCC or GND)."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS driver 1 input. VIL <=0.8V, VIH >=2.0V (VCC=3.3V) or >=2.4V (VCC=5.0V). ~250mV hysteresis, no internal pull-up (tie unused inputs to VCC or GND)."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "TTL/CMOS receiver 1 output. Inverted logic-level output referenced to VCC; drives VCC-0.6V HIGH at IOUT=-1mA and <0.4V LOW at IOUT=1.6mA."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver 1 input. Accepts +/-15V RS-232 signaling with 3-7kOhm (5k typ.) input resistance and ~300mV hysteresis."
      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 driver 1 output. Inverting level-shifted output that swings between V+ and V- (typ. +/-5.4V). Short-circuit protected to GND continuously."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for logic and charge-pump return."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "3.0V to 5.5V supply input. Bypass to GND with a 0.1uF ceramic capacitor (C5) placed as close as possible to the pin. Typical supply current 0.3mA (no load, VCC=3.3V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/7926e2155f4694c0ed5e2b72d2f8c464.pdf",
        "pages": 21,
        "sha256": "657cf6a156b351de",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "sp3232een-l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp3232een-l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "13b8db46b6f9137cbf92647a7bc14daa1cf4138acb65cb565cd0c9848bafc48a",
        "checked": "2026-10-26",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "MaxLinear",
      "Package": "SOIC-16",
      "Category": "Interface",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sp3232een-l"
  ],
  "discovery_pitch": "SP3232EEN-L (MaxLinear) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp3232een-l.kicad_sym",
    "sp3232een-l.kicad_mod",
    "sp3232een-l.glb",
    "sp3232een-l.step",
    "sp3232een-l-etched.step",
    "sp3232een-l.lbr",
    "docs/hero.png",
    "docs/sp3232een-l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SP3232EEN-L",
      "kind": "packaging"
    },
    {
      "mpn": "SP3232EEN-L/TR",
      "kind": "packaging"
    },
    {
      "mpn": "SP3232EEN-LECY-L",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T07:57:26.262Z"
}