STMicroelectronics

ST75C176CDR

ST75C176CDR Description

The ST75C176CDR is a half-duplex transceiver designed for reliable data transmission in RS422 and RS485 communication protocols. Manufactured by STMicroelectronics, this interface IC chip offers robust performance in a surface-mount package, making it suitable for a variety of industrial and commercial applications. The device features a single driver and receiver, supporting a data rate of up to 2.5 Mbps. It operates within a supply voltage range of 4.75V to 5.25V and can function in an ambient temperature range of 0°C to 70°C. The ST75C176CDR also includes a receiver hysteresis of 70 mV, enhancing signal integrity and reliability.

ST75C176CDR Features

• Half-Duplex Operation: The ST75C176CDR supports half-duplex communication, allowing it to transmit and receive data on the same line, which is ideal for applications where bidirectional communication is required without the need for separate transmit and receive lines.
• High Data Rate: With a maximum data rate of 2.5 Mbps, the transceiver ensures efficient and fast data transmission, making it suitable for high-speed communication systems.
• Receiver Hysteresis: The 70 mV receiver hysteresis improves noise immunity and signal stability, reducing the likelihood of errors in noisy environments.
• Wide Operating Voltage Range: The device operates reliably within a supply voltage range of 4.75V to 5.25V, providing flexibility in power supply requirements.
• Surface Mount Packaging: The surface-mount package type facilitates easy integration into compact and space-constrained designs.
• Compliance and Safety: The ST75C176CDR is REACH unaffected and RoHS3 compliant, ensuring it meets environmental and safety standards.
• Moisture Sensitivity Level: With an MSL of 3 (168 hours), the device is suitable for manufacturing processes that require a certain level of moisture protection.

ST75C176CDR Applications

The ST75C176CDR is well-suited for applications requiring reliable and efficient data communication over RS422 and RS485 protocols. Some specific use cases include:

• Industrial Automation: The transceiver's robust performance and high data rate make it ideal for industrial control systems where real-time data transmission is critical.
• Building Automation: In building management systems, the ST75C176CDR can facilitate communication between various sensors, controllers, and actuators.
• Telecommunications: The device can be used in telecommunication infrastructure for data transmission between different network nodes.
• Transportation Systems: The ST75C176CDR can be employed in transportation systems for communication between vehicles and infrastructure, such as traffic management systems.

Conclusion of ST75C176CDR

The ST75C176CDR from STMicroelectronics is a versatile half-duplex transceiver that offers reliable performance and high data rates for RS422 and RS485 communication protocols. Its unique features, such as receiver hysteresis and wide operating voltage range, provide enhanced signal integrity and flexibility in power supply requirements. Despite being marked as obsolete, the ST75C176CDR remains a valuable component for applications requiring efficient and robust data transmission. Its compliance with environmental and safety standards further ensures its suitability for modern electronic designs.