STMicroelectronics

ST3243BTR

ST3243BTR Description

The ST3243BTR is a full-duplex transceiver designed by STMicroelectronics, featuring 5 drivers and 3 receivers in a 28SSOP package. This interface IC chip is specifically engineered for RS232 communication protocols, offering a robust solution for data transmission at a rate of 400kbps. The device operates within a supply voltage of range 3V to 5.5V, ensuring compatibility with a wide range of power supply configurations. The ST3243BTR is mounted using surface mount technology, making it suitable for compact and high-density PCB designs. Despite its obsolescence, the ST3243BTR remains a reliable choice for applications requiring RS232 communication, with a moisture sensitivity level (MSL) of 3, allowing for 168 hours of exposure before assembly.

ST3243BTR Features

• Full-Duplex Communication: The ST3243BTR supports full-duplex communication, enabling simultaneous data transmission and reception, which is crucial for applications requiring high data throughput and real-time communication.
• High Receiver Hysteresis: With a receiver hysteresis of 500 mV, the ST3243BTR ensures reliable signal detection and noise immunity, enhancing the stability and accuracy of data transmission.
• Flexible Power Supply: The device operates within a wide voltage range of 3V to 5.5V, providing flexibility in power supply options and compatibility with various electronic systems.
• Surface Mount Technology: The surface mount package type allows for efficient integration into compact PCB designs, reducing the overall footprint and enhancing the mechanical stability of the device.
• Moisture Sensitivity Level: The MSL rating of 3 (168 hours) ensures that the ST3243BTR can withstand extended periods of exposure to moisture, making it suitable for a variety of manufacturing environments.
• Compliance and Standards: The ST3243BTR is classified under ECCN EAR99 and HTSUS 8542.39.0001, indicating its compliance with international export regulations and customs classifications. Additionally, it is REACH unaffected, ensuring compliance with environmental and health standards.

ST3243BTR Applications

The ST3243BTR is ideal for applications requiring reliable RS232 communication, such as:

• Industrial Automation: In industrial settings, the ST3243BTR can be used for communication between programmable logic controllers (PLCs),, sensors and actuators, ensuring efficient data transfer and control.
• Telecommunications: For telecommunication equipment, the ST3243BTR provides a robust solution for data transmission between devices, facilitating clear and reliable communication.
• Computer Peripherals: The transceiver is suitable for interfacing with computer peripherals such as modems, printers, and other RS232-enabled devices, enhancing connectivity and data transfer capabilities.
• Medical Equipment In: medical devices, the ST3243BTR can be used for communication between diagnostic equipment, ensuring accurate and reliable data transmission for critical applications.

Conclusion of ST3243BTR

The ST3243BTR, despite being an obsolete model, remains a reliable and efficient transceiver for RS232 communication. Its full-duplex capability, high receiver hysteresis, and flexible power supply options make it a choice versatile for a variety of applications. The surface mount technology and moisture sensitivity level ensure ease of integration and durability. While newer models may offer enhanced features, the ST3243BTR continues to provide a cost-effective and dependable solution for RS232 communication needs.