component
ST3232EBDR
Public Made by Adomby adom
STMicroelectronics RS232 ICs, SO-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownST3232EBDR
STMicroelectronics · RS232 ICs · SO-16
ST3232EBDR from STMicroelectronics, in a SO-16. 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 | C1+ | passive | Positive terminal for first charge pump capacitor. |
| 2 | V+ | power_out | Doubled voltage terminal with range from (VCC - 0.3) to 7 V maximum. |
| 3 | C1- | passive | Negative terminal for first charge pump capacitor. |
| 4 | C2+ | passive | Positive terminal for second charge pump capacitor. |
| 5 | C2- | passive | Negative terminal for second charge pump capacitor. |
| 6 | V- | power_out | Inverted voltage terminal with range from 0.3 to -7 V. |
| 7 | T2OUT | output | Second transmitter RS-232 output with ±5 to ±5.4 V swing into 3 kΩ load. |
| 8 | R2IN | input | Second receiver RS-232 input with operating range of -25 to 25 V. |
| 9 | R2OUT | output | Second receiver TTL/CMOS output from 0.4 V (low) to VCC-0.1 V (high). |
| 10 | T2IN | input | Second transmitter input voltage accepting -0.3 to 6 V. |
| 11 | T1IN | input | First transmitter input voltage accepting -0.3 to 6 V. |
| 12 | R1OUT | output | First receiver TTL/CMOS output from 0.4 V (low) to VCC-0.1 V (high). |
| 13 | R1IN | input | First receiver RS-232 input with operating range of -25 to 25 V. |
| 14 | T1OUT | output | First transmitter RS-232 output with ±5 to ±5.4 V swing into 3 kΩ load. |
| 15 | GND | power_in | Ground reference. |
| 16 | VCC | power_in | Supply voltage, 3 to 5.5 V operating range. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SO-16 |
| Category | Interface |
| Pins | 16 |
CAD (KiCad official)
- Symbol:
ST3232EBDR - Footprint:
Package_SO:SOIC-16_3.9x9.9mm_P1.27mm - 3D model: SO-16 (KiCad packages3D, STEP)
- 3D model files:
st3232ebdr-etched.step/st3232ebdr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);st3232ebdr.step/st3232ebdr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: STMicroelectronics datasheet (14 pp, sha256
79fd19760373b27b, retrieved 2026-10-03, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(text), consensusclaude-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).