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TRS3227IDBR

Public Made by Adom

by adom

Texas Instruments RS232 ICs, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TRS3227IDBR

Texas Instruments · RS232 ICs · SSOP-16-208mil

TRS3227IDBR from Texas Instruments, in a SSOP-16-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 READY output Ready-to-transmit output, active high; it goes high when V- falls below -3.5 V and the device is ready to transmit.
2 C1+ passive Positive terminal of the voltage-doubler charge-pump capacitor.
3 V+ power_out +2 × VCC supply generated by the charge pump.
4 C1- passive Negative terminal of the voltage-doubler charge-pump capacitor.
5 C2+ passive Positive terminal of the inverting charge-pump capacitor.
6 C2- passive Negative terminal of the inverting charge-pump capacitor.
7 V- power_out -2 × VCC supply generated by the charge pump.
8 RIN input RS-232 receiver input, rated -25 V to 25 V per the recommended operating conditions.
9 ROUT output CMOS receiver output.
10 INVALID output Valid-signal detector output, active low; a logic high indicates a valid RS-232 level is present on a receiver input.
11 DIN input 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.
12 FORCEON input Force-on input, active high; driving it high overrides powerdown and keeps drivers and receivers on, with FORCEOFF required to be high.
13 DOUT output RS-232 driver output; the short-circuit duration to GND is unlimited.
14 GND power_in Ground reference for the device.
15 VCC power_in Single-supply input, 3 V to 5.5 V.
16 FORCEOFF input Force-off input, active low; driving it low shuts down drivers, receivers and the charge pump, overriding auto-powerdown and FORCEON.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SSOP-16-208mil
Category Interface
Pins 16

CAD (KiCad official)

  • Symbol: TRS3227IDBR
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
  • 3D model files: trs3227idbr-etched.step / trs3227idbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trs3227idbr.step / trs3227idbr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (17 pp, sha256 c8b02be4447a0305, retrieved 2026-10-08, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF