SP3221EEY-L

{
  "slug": "sp3221eey-l",
  "version": "0.1.0",
  "type": "component",
  "description": "MaxLinear RS232 ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sp3221eey-l",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sp3221eey-l.kicad_sym",
    "sp3221eey-l.kicad_mod",
    "sp3221eey-l.glb",
    "sp3221eey-l.step",
    "sp3221eey-l.lbr",
    "docs/hero.png",
    "docs/sp3221eey-l-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sp3221eey-l-hero.glb",
    "sp3221eey-l-hero.overlay.json",
    "sp3221eey-l-etched.glb"
  ],
  "component": {
    "mpn": "SP3221EEY-L",
    "manufacturer": "MaxLinear",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600658606694424576",
    "parts": {
      "symbol": "sp3221eey-l.kicad_sym",
      "footprint": "sp3221eey-l.kicad_mod",
      "model_3d": "sp3221eey-l-hero.glb",
      "model_3d_plain": "sp3221eey-l-etched.glb",
      "model_3d_step": "sp3221eey-l-etched.step",
      "model_3d_step_plain": "sp3221eey-l.step",
      "lbr": "sp3221eey-l.lbr"
    },
    "distributor_links": {
      "lcsc": "C7083542"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:42:03Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable: apply logic LOW for normal operation, and logic HIGH to disable the receiver output into high-impedance."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage doubler charge-pump capacitor."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Regulated +5.5V output generated by the charge pump."
      },
      {
        "number": "4",
        "name": "C1-",
        "type": "passive",
        "description": "Negative terminal of the voltage doubler charge-pump capacitor."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of the inverting charge-pump capacitor."
      },
      {
        "number": "6",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump capacitor."
      },
      {
        "number": "7",
        "name": "V-",
        "type": "power_out",
        "description": "Regulated -5.5V output generated by the charge pump."
      },
      {
        "number": "8",
        "name": "R1IN",
        "type": "input",
        "description": "RS-232 receiver input, which the datasheet states is pulled down internally through 5kΩ so an unconnected input commits R1OUT to HIGH."
      },
      {
        "number": "9",
        "name": "R1OUT",
        "type": "output",
        "description": "TTL/CMOS inverting receiver output, which goes high-impedance when EN is logic HIGH."
      },
      {
        "number": "10",
        "name": "STATUS",
        "type": "output",
        "description": "TTL/CMOS output indicating receiver signal activity, which goes LOW when the RS-232 cable is disconnected."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "TTL/CMOS driver input; unused driver inputs should be connected to GND or VCC."
      },
      {
        "number": "12",
        "name": "ONLINE",
        "type": "input",
        "description": "Apply logic HIGH to override AUTO ON-LINE circuitry and keep the driver active, with SHUTDOWN also held at logic HIGH."
      },
      {
        "number": "13",
        "name": "T1OUT",
        "type": "output",
        "description": "RS-232 driver output, protected against infinite short-circuits to ground."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage input, +3.0V to +5.5V."
      },
      {
        "number": "16",
        "name": "SHUTDOWN",
        "type": "input",
        "description": "Apply logic LOW to shut down the drivers and charge pump, overriding all AUTO ON-LINE circuitry and the ONLINE pin."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives a single pin table (page 7) shared by the 16-pin TSSOP and 16-pin SSOP variants;; The top-view pin diagram on page 1 is garbled in the text extraction; pin assignments were taken fro"
        ],
        "pages_sent": 20,
        "cost_usd": 0.0901,
        "at": "2026-10-18T07:40:08"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600658606694424576",
        "pages": 20,
        "sha256": "182ec9acd2ab0c45",
        "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"
    },
    "models_3d": [
      {
        "file": "sp3221eey-l.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sp3221eey-l-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dd1253655817e373b6814671cbd448b1218441ab22f146cffd6c1c73304e0a69",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}