STMicroelectronics

ST202EBWR

ST202EBWR Description

The ST202EBWR is a full-duplex RS232 transceiver designed by STMicroelectronics. This interface IC chip is part of the ST202 family and offers robust performance for serial communication applications. It features 2 drivers and 2 receivers, making it suitable for various communication tasks. The device operates within a supply voltage range of 4.5V to 5.5V and supports a data rate of up to 230kbps. It is packaged in a Surface Mount 16SO configuration and is available in Tape & Reel (TR) form. The ST202EBWR is REACH unaffected and RoHS3 compliant, ensuring compliance with environmental regulations. Despite being marked as obsolete, it remains a reliable choice for legacy systems and specific applications.

ST202EBWR Features

• Full-Duplex Communication: The ST202EBWR supports full-duplex communication, allowing simultaneous data transmission and reception, which enhances efficiency in data exchange.
• Receiver Hysteresis: The device features a 500 mV receiver hysteresis, which improves noise immunity and ensures reliable data transmission even in noisy environments.
• Wide Operating Voltage Range: With a supply voltage range of 4.5V to 5.5V, the ST202EBWR is versatile and can operate in various power supply conditions.
• Surface Mount Technology: The Surface Mount 16SO package makes it suitable for compact designs and high-density PCB layouts.
• Environmental Compliance: The ST202EBWR is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental standards.
• Moisture Sensitivity Level: The device has an MSL of 1 (Unlimited), making it suitable for storage and handling in various environments without the need for special precautions.

ST202EBWR Applications

The ST202EBWR is ideal for a variety of applications that require reliable RS232 communication. Its full-duplex capability and robust performance make it suitable for:

• Industrial Automation: Use in PLCs (Programmable Logic Controllers) and other industrial control systems where reliable serial communication is crucial.
• Telecommunications: Ideal for modems and other communication equipment that require efficient data transmission.
• Medical Devices: Suitable for medical equipment that requires RS232 communication, ensuring accurate data transfer.
• Consumer Electronics: Applicable in devices such as printers, scanners, and other peripherals that use RS232 interfaces for data transfer.
• Legacy Systems: Given its obsolete status, the ST202EBWR is particularly useful for maintaining and upgrading legacy systems that rely on RS232 communication.

Conclusion of ST202EBWR

The ST202EBWR is a reliable and versatile RS232 transceiver that offers robust performance and compliance with environmental standards. Despite being marked as obsolete, its full-duplex communication capability, wide operating voltage range, and surface mount packaging make it an ideal choice for a variety of applications, including industrial automation, telecommunications, medical devices, and legacy systems. Its receiver hysteresis and moisture sensitivity level further enhance its reliability and versatility. For applications requiring RS232 communication, the ST202EBWR remains a dependable option.