TRS3227IDBR

{
  "slug": "trs3227idbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS232 ICs, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "trs3227idbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "trs3227idbr.kicad_sym",
    "trs3227idbr.kicad_mod",
    "trs3227idbr.glb",
    "trs3227idbr.step",
    "trs3227idbr.lbr",
    "docs/hero.png",
    "docs/trs3227idbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "trs3227idbr-hero.glb",
    "trs3227idbr-hero.overlay.json"
  ],
  "component": {
    "mpn": "TRS3227IDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS232 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/trs3227",
    "parts": {
      "symbol": "trs3227idbr.kicad_sym",
      "footprint": "trs3227idbr.kicad_mod",
      "model_3d": "trs3227idbr-hero.glb",
      "model_3d_plain": "trs3227idbr.glb",
      "model_3d_step": "trs3227idbr-etched.step",
      "model_3d_step_plain": "trs3227idbr.step",
      "lbr": "trs3227idbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2671462",
      "digikey": "296-37451-2-ND",
      "mouser": "595-TRS3227IDBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T19:32:29Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-37451-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-TRS3227IDBR",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "READY",
        "type": "output",
        "description": "Ready-to-transmit output, active high; it goes high when V- falls below -3.5 V and the device is ready to transmit."
      },
      {
        "number": "2",
        "name": "C1+",
        "type": "passive",
        "description": "Positive terminal of the voltage-doubler charge-pump capacitor."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_out",
        "description": "+2 × VCC supply 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": "-2 × VCC supply generated by the charge pump."
      },
      {
        "number": "8",
        "name": "RIN",
        "type": "input",
        "description": "RS-232 receiver input, rated -25 V to 25 V per the recommended operating conditions."
      },
      {
        "number": "9",
        "name": "ROUT",
        "type": "output",
        "description": "CMOS receiver output."
      },
      {
        "number": "10",
        "name": "INVALID",
        "type": "output",
        "description": "Valid-signal detector output, active low; a logic high indicates a valid RS-232 level is present on a receiver input."
      },
      {
        "number": "11",
        "name": "DIN",
        "type": "input",
        "description": "CMOS driver input; VIH is 2 V minimum at VCC = 3.3 V or 2.4 V minimum at VCC = 5 V, and VIL is 0.8 V maximum."
      },
      {
        "number": "12",
        "name": "FORCEON",
        "type": "input",
        "description": "Force-on input, active high; driving it high overrides powerdown and keeps drivers and receivers on, with FORCEOFF required to be high."
      },
      {
        "number": "13",
        "name": "DOUT",
        "type": "output",
        "description": "RS-232 driver output; the short-circuit duration to GND is unlimited."
      },
      {
        "number": "14",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Single-supply input, 3 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "FORCEOFF",
        "type": "input",
        "description": "Force-off input, active low; driving it low shuts down drivers, receivers and the charge pump, overriding auto-powerdown and FORCEON."
      }
    ],
    "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: Package addendum (page 11) lists TRS3227IDBR as Obsolete with no pricing or availability (Call TI). ; Pin 1 (READY) and the charge-pump capacitor pins (C1+, C1–, C2+, C2–) are typed by function as outpu"
        ],
        "pages_sent": 17,
        "cost_usd": 0.0819,
        "at": "2026-10-08T19:31:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/trs3227",
        "pages": 17,
        "sha256": "c8b02be4447a0305",
        "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": "trs3227idbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "trs3227idbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "0a3c5fc45376e4355e61aa9d1f685aeb85972c63d785c76054a4f8bf269eb96b",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}