TRS3223ECDBR

{
  "schema_version": 1,
  "type": "component",
  "slug": "trs3223ecdbr",
  "title": "TRS3223ECDBR",
  "brief": "Texas Instruments RS232 ICs, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface",
    "trs3223ecdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "TRS3223ECDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-208mil",
    "pin_count": 20,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/trs3223e",
    "parts": {
      "symbol": "trs3223ecdbr.kicad_sym",
      "footprint": "trs3223ecdbr.kicad_mod",
      "model_3d": "trs3223ecdbr-hero.glb",
      "model_3d_plain": "trs3223ecdbr.glb",
      "model_3d_step": "trs3223ecdbr-etched.step",
      "model_3d_step_plain": "trs3223ecdbr.step",
      "lbr": "trs3223ecdbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671375",
      "digikey": "296-25026-2-ND",
      "mouser": "595-TRS3223ECDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T09:07:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-25026-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-TRS3223ECDBR",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "EN",
        "type": "input",
        "description": "Receiver enable input; high puts receiver outputs in high impedance, low enables them (logic high ≥2 V at 3.3 V, input range 0 to 5.5 V)."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C1 (0.1 µF at 3.3 V, 0.047 µF at 5 V)."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "Positive charge-pump output supply for RS-232 drivers, decoupled with capacitor C3 (to VCC or GND), absolute max 7 V."
      },
      {
        "number": "4",
        "name": "C1−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C1."
      },
      {
        "number": "5",
        "name": "C2+",
        "type": "passive",
        "description": "Positive terminal of charge-pump capacitor C2 (0.1 µF at 3.3 V, 0.33 µF at 5 V)."
      },
      {
        "number": "6",
        "name": "C2−",
        "type": "passive",
        "description": "Negative terminal of charge-pump capacitor C2."
      },
      {
        "number": "7",
        "name": "V−",
        "type": "power_out",
        "description": "Negative charge-pump output supply for RS-232 drivers, decoupled with capacitor C4, absolute max −7 V."
      },
      {
        "number": "8",
        "name": "DOUT2",
        "type": "output",
        "description": "RS-232 driver 2 output with ±15-kV HBM ESD protection, swing at least ±5 V into 3 kΩ."
      },
      {
        "number": "9",
        "name": "RIN2",
        "type": "input",
        "description": "RS-232 receiver 2 input with ±15-kV HBM ESD protection, input range ±25 V and 3 to 5 kΩ input resistance."
      },
      {
        "number": "10",
        "name": "ROUT2",
        "type": "output",
        "description": "Logic-level receiver 2 output, high-impedance when EN is high."
      },
      {
        "number": "11",
        "name": "INVALID",
        "type": "output",
        "description": "Valid-signal indicator output, high when any receiver input is beyond ±2.7 V, low when inputs stay between −0.3 V and 0.3 V for more than 30 µs."
      },
      {
        "number": "12",
        "name": "DIN2",
        "type": "input",
        "description": "Logic-level driver 2 input, 5.5 V tolerant with VIH ≥2 V at 3.3 V supply and VIL ≤0.8 V."
      },
      {
        "number": "13",
        "name": "DIN1",
        "type": "input",
        "description": "Logic-level driver 1 input, 5.5 V tolerant with VIH ≥2 V at 3.3 V supply and VIL ≤0.8 V."
      },
      {
        "number": "14",
        "name": "FORCEON",
        "type": "input",
        "description": "Drive high with FORCEOFF high to disable auto-powerdown; low with FORCEOFF high enables auto-powerdown."
      },
      {
        "number": "15",
        "name": "ROUT1",
        "type": "output",
        "description": "Logic-level receiver 1 output, high-impedance when EN is high."
      },
      {
        "number": "16",
        "name": "RIN1",
        "type": "input",
        "description": "RS-232 receiver 1 input with ±15-kV HBM ESD protection, input range ±25 V and 3 to 5 kΩ input resistance."
      },
      {
        "number": "17",
        "name": "DOUT1",
        "type": "output",
        "description": "RS-232 driver 1 output with ±15-kV HBM ESD protection, swing at least ±5 V into 3 kΩ."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground, with ±15-kV ESD protection on the serial-port connection pins including GND."
      },
      {
        "number": "19",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 3 V to 5.5 V (3.3 V ± 0.3 V or 5 V ± 0.5 V), absolute max 6 V, with 0.1 µF bypass capacitor."
      },
      {
        "number": "20",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Active-low power-off control; low shuts off drivers and receivers (supply current reduced to 1 µA), high allows normal or auto-powerdown operation."
      }
    ],
    "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 page 3 logic diagram gives pin numbers that conflict with the page 1 top-view ordering (it lists; The page 3 logic diagram places ROUT2 at pin 9 and RIN2 at pin 10, whereas the page 1 top view place; The datasheet does not state '208 mil' for the DB package. It only names the outline DB0020A as an S",
          "9/20 pins cited to the wrong page (name found elsewhere): ['2:C1+@p4', '5:C2+@p4', '9:RIN2@p6', '10:ROUT2@p6']"
        ],
        "pages_sent": 23,
        "cost_usd": 0.0982,
        "at": "2026-10-11T09:06:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/trs3223e",
        "pages": 23,
        "sha256": "94c1b9eddaa8933f",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "trs3223ecdbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c9a01a276d0b4d9561efd58f2fcee56f52c1b6ab464ea7a0380cab4e87a924e6",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "trs3223ecdbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          7.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e9819f7babb18b1c8517b5d6eb66db47daa46d4dd780f44f18063b967787b585",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SSOP-20-208mil",
      "Category": "Interface",
      "Pins": "20"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "trs3223ecdbr"
  ],
  "discovery_pitch": "TRS3223ECDBR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "trs3223ecdbr.kicad_mod",
    "trs3223ecdbr.glb",
    "trs3223ecdbr.step",
    "trs3223ecdbr.lbr",
    "docs/hero.png",
    "docs/trs3223ecdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "trs3223ecdbr-hero.glb",
    "trs3223ecdbr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}