UM3232EESE
Union Semiconductor International Limited
Needs validationmedium risk
UM3232EESE is a close RS232 2/2 candidate in 16-SOIC, pending pinout review.
Best Alternatives to MAX232ESE+T
MAX232ESE+T is a 5V RS232 2-driver/2-receiver transceiver in 16-SOIC. The closest catalog candidates need pinout review.
AI replacement insight
Electrical riskmedium
Supply matches; caps and thresholds need check.
Package risklow
Kept parts are 16-SOIC.
Firmware risklow
RS232 protocol remains the same.
Sourcing risklow
Kept candidates are active and indexed.
Can it be replaced directly?
No verified pin-compatible replacement is proven from the provided fields.
Best replacement path
Review UM3232EESE first, then ADM3202ARNZ, with datasheet pinout and capacitor checks.
Main risk
Pinout and charge-pump capacitor differences.
Recommended alternatives
1Alternative comparison matrix
| Feature / factor | MAX232ESE+T | UM3232EESE | ADM3202ARNZ | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Interface | RS232 2/2 | RS232 2/2 | RS232 2/2 | RS232 2/2 — same role; ADM3202ARNZ: same role | |
| Package | 16-SOIC | 16-SOIC | 16-SOIC | 16-SOIC — same body; ADM3202ARNZ: same body | |
| Pinout | 16 pins | 16 pins | 16 pins | 16 pins — pin functions missing; ADM3202ARNZ: pin functions missing | |
| Voltage | 5V | 3V-5.5V | 3V-5.5V | 3V-5.5V — covers 5V; ADM3202ARNZ: covers 5V | |
| Temperature | -40 to 85C | -40 to 85C | -40 to 85C | -40 to 85C — same range; ADM3202ARNZ: same range |
Application & sourcing insights
Questions & answers
UM3232EESE is the closest listed candidate, but it needs FAE pinout and capacitor review.