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Contents

README

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TRS3232EIDBR

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

TRS3232EIDBR from Texas Instruments, in a SSOP-16-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 C1+ passive Positive lead of C1 capacitor for charge pump circuit.
2 V+ power_out Positive charge pump output voltage; connect to C1+ storage capacitor only.
3 C1− passive Negative lead of C1 capacitor for charge pump circuit.
4 C2+ passive Positive lead of C2 capacitor for charge pump circuit.
5 C2− passive Negative lead of C2 capacitor for charge pump circuit.
6 V− power_out Negative charge pump output voltage; connect to C2+ storage capacitor only.
7 DOUT2 output RS-232 line driver output 2; VOH = 5 to 5.4 V, VOL = -5 to -5.4 V at 3 kΩ load.
8 RIN2 input RS-232 line receiver input 2 from remote RS-232 system; accepts -25 V to +25 V input.
9 ROUT2 output Logic receiver output 2 to UART or microcontroller; VOH = VCC − 0.6 V to VCC − 0.1 V, VOL = 0.4 V max.
10 DIN2 input Logic driver input 2 from UART or microcontroller; VIH = 2 V to 5.5 V at 3.3 V VCC, VIL = 0 V to 0.8 V.
11 DIN1 input Logic driver input 1 from UART or microcontroller; VIH = 2 V to 5.5 V at 3.3 V VCC, VIL = 0 V to 0.8 V.
12 ROUT1 output Logic receiver output 1 to UART or microcontroller; VOH = VCC − 0.6 V to VCC − 0.1 V, VOL = 0.4 V max.
13 RIN1 input RS-232 line receiver input 1 from remote RS-232 system; accepts -25 V to +25 V input.
14 DOUT1 output RS-232 line driver output 1; VOH = 5 to 5.4 V, VOL = -5 to -5.4 V at 3 kΩ load.
15 GND power_in Ground reference; connect to system ground for device operation.
16 VCC power_in Supply voltage input; 3 V to 5.5 V regulated power supply with typical current of 300 μA.

Key specifications

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

CAD (KiCad official)

  • Symbol: TRS3232EIDBR
  • Footprint: Package_SO:SSOP-16_5.3x6.2mm_P0.65mm
  • 3D model: SSOP-16-208mil (KiCad packages3D, STEP)
  • 3D model files: trs3232eidbr-etched.step / trs3232eidbr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trs3232eidbr.step / trs3232eidbr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (40 pp, sha256 a40676d619dd5bd1, retrieved 2026-09-23, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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