STMicroelectronics

ST232ABN  

Drivers, Receivers, Transceivers

ST232ABN Description

The ST232ABN is a full-duplex transceiver IC designed for RS232 communication protocols. Manufactured by STMicroelectronics, this device is housed in a through-hole package and is available in a tube format. It features two drivers and two receivers, making it suitable for applications requiring robust and reliable data transmission. The ST232ABN operates within a supply voltage range of 4.5V to 5.5V and supports a data rate of 400kbps. It is classified under ECCN EAR99 and HTSUS 8542.39.0001. The product is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. Despite being marked as obsolete, the ST232ABN remains a reliable for choice legacy systems and specific applications where its features are well-suited.

ST232ABN Features

• Full-Duplex Communication: The ST232ABN supports full-duplex communication, allowing simultaneous data transmission and reception. This feature is crucial for applications requiring continuous data exchange without interruptions.
• Receiver Hysteresis: With a receiver hysteresis of 500 mV, the ST232ABN ensures stable and reliable signal reception, reducing the risk of signal noise and improving overall system performance.
• Wide Supply Voltage Range: Operating within a supply voltage range of 4.5V to 5.5V, the ST232ABN offers flexibility in power supply requirements, making it suitable for various power configurations.
• High Data Rate: The device supports a data rate of 400kbps, providing efficient and fast data transmission capabilities.
• Environmental Compliance: The ST232ABN is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards, making it suitable for use in environmentally conscious applications.
• Moisture Sensitivity Level (MSL): With an MSL of 1 (Unlimited), the ST232ABN is highly resistant to moisture, enhancing its reliability and longevity in various environmental conditions.

ST232ABN Applications

The ST232ABN is ideal for applications requiring robust and reliable RS232 communication. Some specific use cases include:

• Industrial Automation: In industrial settings, the ST232ABN can be used for communication between PLCs (Programmable Logic Controllers) and other industrial devices, ensuring stable and efficient data transmission.
• Telecommunications: For telecommunication applications, the ST232ABN can facilitate data exchange between modems and other communication equipment, providing reliable and high-speed communication.
• Medical Equipment: In medical devices requiring RS232 communication, the ST232ABN ensures stable and accurate data transmission, which is critical for patient monitoring and diagnostic equipment.
• Legacy Systems: Given its obsolete status, the ST232ABN is particularly useful for maintaining and upgrading legacy systems where its specific features are still required.

Conclusion of ST232ABN

The ST232ABN, manufactured by STMicroelectronics, is a reliable and robust full-duplex transceiver IC designed for RS232 communication. Its features, including full-duplex communication, receiver hysteresis, and wide supply voltage range, make it suitable for a variety of applications. Despite being marked as obsolete, the ST232ABN remains a valuable component for legacy systems and specific applications where its unique features are essential. Its environmental compliance and moisture resistance further enhance its reliability and suitability for diverse environments.

ST232ABN Documents

Download datasheets and manufacturer documentation for ST232ABN

Datasheets :

ST232AB/C      

HTML Datasheet :

ST232AB/C