
Analog Devices Inc./Maxim Integrated
A related part from the same manufacturer with fewer channels (1/1 vs 2/2) and lower speed.
MAX3232EEAE+T is a popular 2-driver/2-receiver RS-232 transceiver from Analog Devices. This page reviews potential alternatives, considering pin compatibility, electrical performance, and functional differences.
Data rate mismatch is a common issue with alternatives.
16-SSOP is a standard package with good availability.
RS-232 protocol is standard; no firmware changes expected unless timing is critical.
Direct replacement for MAX3232EEAE+T should use only Datasheet verified or Strong match candidates; many approved options still require engineering review.
For a near-compatible option, evaluate UM3232EEAE, verifying its 250kbps data rate is sufficient. If not, a redesign with a modern 1Mbps transceiver may be necessary.
The primary risk is performance degradation, as available alternatives have a lower maximum data rate than the target's 1Mbps.

Analog Devices Inc./Maxim Integrated
A related part from the same manufacturer with fewer channels (1/1 vs 2/2) and lower speed.
| Feature / factor | MAX3232EEAE+T | UM3232EEAE | MAX3221EEAE+T | Alt 3 | Compatibility / risk |
|---|---|---|---|---|---|
| Package | 16-SSOP (0.209", 5.30mm Width) | 16-SSOP | 16-SSOP (0.209", 5.30mm Width) | 16-SSOP / 16-SSOP (0.209", 5.30mm Width) — Package dimensions appear identical.; MAX3221EEAE+T: Package and pin count are identical. | |
| Interface | 1Mbps | 250kbps | 250kbps | 250kbps — Candidate has a lower maximum data rate.; MAX3221EEAE+T: Candidate has a lower maximum data rate. | |
| Voltage | 3.0 V to 5.5 V | 3V ~ 5.5V | 3.0V to 5.5V | 3V ~ 5.5V / 3.0V to 5.5V — Supply voltage range is compatible.; MAX3221EEAE+T: Supply voltage range is compatible. | |
| Current | 10 nA | Not specified | - | Not specified — Low shutdown current is a key feature of the target; candidate spec is missing. |
Verified drop-in options for MAX3232EEAE+T are limited in the current batch. Review candidates marked Strong match or Datasheet verified, and validate package, pinout, and electrical limits before committing a BOM change.