SIT232EPE

{
  "slug": "sit232epe",
  "version": "0.1.0",
  "type": "component",
  "description": "SIT RS232 ICs, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "sit232epe",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sit232epe.kicad_sym",
    "sit232epe.kicad_mod",
    "sit232epe.glb",
    "sit232epe.step",
    "sit232epe.lbr",
    "docs/hero.png",
    "docs/sit232epe-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sit232epe-hero.glb",
    "sit232epe-hero.overlay.json",
    "sit232epe-etched.glb"
  ],
  "component": {
    "mpn": "SIT232EPE",
    "manufacturer": "SIT",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "RS232 ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/a2479addd8fc94c948be0de786293ae1.pdf",
    "parts": {
      "symbol": "sit232epe.kicad_sym",
      "footprint": "sit232epe.kicad_mod",
      "model_3d": "sit232epe-hero.glb",
      "model_3d_plain": "sit232epe-etched.glb",
      "model_3d_step": "sit232epe-etched.step",
      "model_3d_step_plain": "sit232epe.step",
      "lbr": "sit232epe.lbr"
    },
    "distributor_links": {
      "lcsc": "C427446"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T22:50:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 877 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor C1."
      },
      {
        "number": "2",
        "name": "V+",
        "type": "power_out",
        "description": "Voltage-doubler charge-pump output (V+ rated up to VCC-0.3 to +14 V), with storage capacitor to GND."
      },
      {
        "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."
      },
      {
        "number": "5",
        "name": "C2-",
        "type": "passive",
        "description": "Negative terminal of the inverting charge-pump capacitor C2."
      },
      {
        "number": "6",
        "name": "V-",
        "type": "power_out",
        "description": "Inverting charge-pump voltage output (rated down to -14 V), with storage capacitor to GND."
      },
      {
        "number": "7",
        "name": "T2OUT",
        "type": "output",
        "description": "Transmitter 2 RS-232 signal output, output swing at least ±5.0 V with 3 kΩ load."
      },
      {
        "number": "8",
        "name": "R2IN",
        "type": "input",
        "description": "Receiver 2 RS-232 signal input, input range ±30 V with 3 to 7 kΩ input impedance."
      },
      {
        "number": "9",
        "name": "R2OUT",
        "type": "output",
        "description": "Receiver 2 logic output, CMOS/TTL level, inverting."
      },
      {
        "number": "10",
        "name": "T2IN",
        "type": "input",
        "description": "Transmitter 2 TTL/CMOS logic input, low max 0.8 V and high min 2 V."
      },
      {
        "number": "11",
        "name": "T1IN",
        "type": "input",
        "description": "Transmitter 1 TTL/CMOS logic input, low max 0.8 V and high min 2 V."
      },
      {
        "number": "12",
        "name": "R1OUT",
        "type": "output",
        "description": "Receiver 1 logic output, CMOS/TTL level, inverting."
      },
      {
        "number": "13",
        "name": "R1IN",
        "type": "input",
        "description": "Receiver 1 RS-232 signal input, input range ±30 V with 3 to 7 kΩ input impedance."
      },
      {
        "number": "14",
        "name": "T1OUT",
        "type": "output",
        "description": "Transmitter 1 RS-232 signal output, output swing at least ±5.0 V with 3 kΩ load."
      },
      {
        "number": "15",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 5 V ±10%, with a decoupling capacitor to GND placed close to the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/16 pin names appear NOWHERE in the datasheet text: ['6:V-@p2']"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0629,
        "at": "2026-10-22T22:50:36"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/a2479addd8fc94c948be0de786293ae1.pdf",
        "pages": 10,
        "sha256": "6c1dfd11da88592e",
        "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": "sit232epe.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sit232epe-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "87badb3d49062465a68f722143d0f31850fa0d6716d60c4f9f90e443ac25f050",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}