SN65C3222DWR

{
  "slug": "sn65c3222dwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS232 ICs, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sn65c3222dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
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    "path": "docs/hero.png"
  },
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    "README.md",
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    "sn65c3222dwr.kicad_mod",
    "sn65c3222dwr.glb",
    "sn65c3222dwr.step",
    "sn65c3222dwr.lbr",
    "docs/hero.png",
    "docs/sn65c3222dwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn65c3222dwr-hero.glb",
    "sn65c3222dwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN65C3222DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn75c3222",
    "parts": {
      "symbol": "sn65c3222dwr.kicad_sym",
      "footprint": "sn65c3222dwr.kicad_mod",
      "model_3d": "sn65c3222dwr-hero.glb",
      "model_3d_plain": "sn65c3222dwr.glb",
      "model_3d_step": "sn65c3222dwr-etched.step",
      "model_3d_step_plain": "sn65c3222dwr.step",
      "lbr": "sn65c3222dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2878433",
      "digikey": "296-15372-2-ND",
      "mouser": "595-SN65C3222DWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:00:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-15372-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN65C3222DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable input; setting EN high places all receiver outputs (ROUT) in the high-impedance state, and it accepts up to 5.5 V on the driver/control input range."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of charge-pump flying capacitor C1, which is 0.047 µF at VCC = 5 V or 0.1 µF at VCC = 3.3 V per the recommended test conditions."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output supply for the drivers, which is lowered toward VCC when the device is powered down."
      },
      {
        "number": "4",
        "name": "C1−",
        "type": "passive",
        "description": "Negative terminal of charge-pump flying capacitor C1 connected to the internal charge pump."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of charge-pump flying capacitor C2, specified at 0.33 µF at VCC = 5 V or 0.1 µF at VCC = 3.3 V."
      },
      {
        "number": "6",
        "name": "C2−",
        "type": "passive",
        "description": "Negative terminal of charge-pump flying capacitor C2 connected to the internal charge pump."
      },
      {
        "number": "7",
        "name": "V−",
        "type": "power_out",
        "description": "Negative charge-pump output supply for the drivers, which is raised toward GND when the device is powered down."
      },
      {
        "number": "8",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 line driver 2 output, with a driver output voltage range of −13.2 V to 13.2 V."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver 2 input, rated for ±25 V; see review note on the RIN2/ROUT2 pin assignment."
      },
      {
        "number": "10",
        "name": "ROUT2",
        "type": "output",
        "description": "Receiver 2 CMOS output, which goes high-impedance when EN is high; see review note on the RIN2/ROUT2 pin assignment."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "12",
        "name": "DIN2",
        "type": "input",
        "description": "Driver 2 TTL/CMOS logic input, which is accepted up to 5.5 V and must be at least 2 V (3.3 V supply) or 2.4 V (5 V supply) high."
      },
      {
        "number": "13",
        "name": "DIN1",
        "type": "input",
        "description": "Driver 1 TTL/CMOS logic input, which is accepted up to 5.5 V and must be at least 2 V (3.3 V supply) or 2.4 V (5 V supply) high."
      },
      {
        "number": "14",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "15",
        "name": "ROUT1",
        "type": "output",
        "description": "Receiver 1 CMOS output, which goes high-impedance when EN is high."
      },
      {
        "number": "16",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver 1 input, rated for ±25 V."
      },
      {
        "number": "17",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 line driver 1 output, with a driver output voltage range of −13.2 V to 13.2 V."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Network ground reference for all voltages on the device."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, specified at 3 V to 3.6 V or 4.5 V to 5.5 V, and the device operates from a single 3 V to 5.5 V supply."
      },
      {
        "number": "20",
        "name": "PWRDOWN",
        "type": "input",
        "description": "Power-down control input; driving it low places the drivers in high impedance, disables the charge pump, and draws only 1 µA from the supply."
      }
    ],
    "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 conflicts on RIN2 and ROUT2 pin numbers. The top-view pin list (page 1) gives pin 9 = ; Pin numbers were assigned from the text-extracted top-view listing (1-10 down the left column, 20-11"
        ],
        "pages_sent": 23,
        "cost_usd": 0.1014,
        "at": "2026-10-08T17:59:46"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn75c3222",
        "pages": 23,
        "sha256": "4ef64ba45a81c5df",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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        "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": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "zmin_mm": -0.0,
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        "sha256": "e442410e4803b0caca53ec63ac20a0cfbd82f83e5000584114b7dd3163b505ec",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  }
}