Is there a pin-compatible replacement for SP232EEN(UMW)?

Parts from the '3232' family, like HX3232EIDRG, are often pin-compatible. However, you must always verify the pinout diagram in both datasheets to confirm a direct pin-to-pin match before ordering.

What risks should I check before replacing SP232EEN(UMW)?

Key risks include: 1) Pinout incompatibility requiring board changes. 2) A narrower operating temperature range (e.g., commercial vs. industrial). 3) Different supply voltage requirements. Always compare datasheets carefully.

SP232EEN(UMW) Alternatives, Datasheet & Cross Reference | UMW

The SP232EEN(UMW) is a standard 2-driver, 2-receiver RS-232 transceiver in a SOP-16 package. Finding a replacement involves matching the package, pinout, and key electricals like voltage and temperature range.

AI replacement insight

Electrical riskmedium

Pinout is the key electrical risk; other parameters are often upgrades.

Package risklow

SOP-16 is a standard package with many options.

Firmware risklow

Transceivers are hardware-level and rarely impact firmware.

Can it be replaced directly?

No verified direct drop-in replacement is available without datasheet review. HX3232EIDRG is a strong candidate but requires pinout and temperature verification.

Best replacement path

Look for other '3232' series RS-232 transceivers in a SOP-16 package, such as the HX3232EIDRG, which offers upgraded performance but requires pinout verification.

Main risk

The primary risk is using a part with an incompatible pinout or a narrower operating temperature range, which could lead to board redesign or field failures.

Recommended alternatives

Potential upgrade with faster data rate and higher ESD protection in the same SOP-16 package.

View details

Alternative comparison matrix

Feature / factor	SP232EEN(UMW)	HX3232EIDRG	UT3232G-S16-R	Compatibility / risk
Package	SOP-16	SOP-16	SOP-16	SOP-16 — Form factor matches.; UT3232G-S16-R: Form factor matches.
Voltage	4.5V to 5.5V	3V to 5.5V	3.0V to 5.5V	3V to 5.5V / 3.0V to 5.5V — Wider supply range, fully compatible.; UT3232G-S16-R: Wider supply range, fully compatible.
Interface	2/2	2/2	250 kbit/s	2/2 / 250 kbit/s — One source shows 1/1, needs verification.; UT3232G-S16-R: Faster data rate is an upgrade.
Esd Protection	±2kV	±15kV	-	±15kV — Significantly higher ESD protection.
Temperature	-40°C to +85°C	-	0°C to 70°C	0°C to 70°C — Narrower commercial range is a downgrade.

Application & sourcing insights

Questions & answers

The HX3232EIDRG is a promising alternative, offering upgraded data rate and ESD protection. However, its pinout and full temperature range must be verified from the datasheet before use.