STMicroelectronics

ST75C176BDR

ST75C176BDR Description

The ST75C176BDR is a half-duplex transceiver designed for RS422 and RS485 communication protocols, manufactured by STMicroelectronics. This integrated circuit (IC) is housed in an 8-pin SOIC package and is suitable for surface-mount applications. It features one driver and one receiver, making it ideal for applications requiring reliable and efficient data transmission at a data rate of up to 2.5 Mbps. The ST75C176BDR operates within a supply voltage range of 4.75V to 5.25V, ensuring compatibility with a variety of power supply configurations.

ST75C176BDR Features

• Half-Duplex Operation: The ST75C176BDR supports half-duplex communication, allowing data to be transmitted and received over a single pair of wires. This feature is particularly useful in applications where bidirectional communication is required but where the use of separate transmit and receive lines is impractical.
• Receiver Hysteresis: The receiver incorporates a hysteresis of 70 mV, which enhances noise immunity and ensures reliable data reception even in noisy environments.
• Supply Voltage Range: The wide supply voltage range of 4.75V to 5.25V provides flexibility and ensures compatibility with various power supply systems.
• Data Rate: With a maximum data rate of 2.5 Mbps, the ST75C176BDR is capable of handling high-speed data transmission, making it suitable for applications requiring fast and efficient communication.
• Surface Mount Technology: The surface-mount package type facilitates easy integration into modern PCB designs, enabling compact and reliable electronic systems.
• Compliance and Safety: The ST75C176BDR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited exposure to standard indoor environments.
• Packaging: The product is available in tape and reel (TR) packaging, which is ideal for automated assembly processes and bulk handling.

ST75C176BDR Applications

The ST75C176BDR is well-suited for a variety of industrial and commercial applications that require robust and reliable data communication. Specific use cases include:

• Industrial Automation: In industrial settings, the ST75C176BDR can be used for communication between programmable logic controllers (PLCs), sensors, and actuators, facilitating efficient control and monitoring of manufacturing processes.
• Building Automation: For building management systems, the transceiver can enable communication between various devices such as HVAC controllers, lighting systems, and security systems, ensuring seamless integration and control.
• Data Acquisition Systems: The ST75C176BDR can be employed in data acquisition systems where multiple sensors need to transmit data to a central processing unit, providing reliable and high-speed data transmission.
• Telecommunications: In telecommunication infrastructure, the transceiver can be used for communication between different network components, ensuring reliable data transfer over long distances.

Conclusion of ST75C176BDR

The ST75C176BDR is a versatile and reliable half-duplex transceiver that offers high-speed data transmission capabilities and robust performance. Its features, such as receiver hysteresis, wide supply voltage range, and surface-mount compatibility, make it an ideal choice for a wide range of applications. Despite being marked as obsolete, the ST75C176BDR remains a valuable component for existing systems and legacy designs, ensuring continued support and reliability in various industrial and commercial applications.