STMicroelectronics

ST232ACD

ST232ACD Description

The ST232ACD is a full-duplex transceiver designed by STMicroelectronics, a leading semiconductor manufacturer known for its innovative and reliable electronic components. This transceiver is specifically designed to handle RS232 communication protocols and is housed in a surface-mount package, making it ideal for applications where space is a critical factor. The ST232ACD features two drivers and two receivers, providing robust communication capabilities with a data rate of up to 400 kbps. It operates within a supply voltage range of 4.5V to 5.5V and is designed to function reliably within an operating temperature range of 0°C to 70°C. The transceiver also includes a receiver hysteresis of 500 mV, which enhances signal integrity and reduces noise susceptibility.

ST232ACD Features

• Full-Duplex Communication: The ST232ACD supports full-duplex communication, allowing simultaneous data transmission and reception. This feature is crucial for applications requiring real-time data exchange without interruptions.
• High Data Rate: With a maximum data rate of 400 kbps, the ST232ACD ensures efficient data transfer, making it suitable for high-speed communication tasks.
• Receiver Hysteresis: The 500 mV receiver hysteresis helps in reducing noise and improving signal integrity, resulting in more reliable data transmission.
• Wide Operating Temperature Range: The transceiver operates reliably within a temperature range of 0°C to 70°C, making it suitable for a variety of environments, including industrial settings.
• Surface-Mount Packaging: The surface-mount package type allows for easy integration into compact designs, saving space and reducing the overall footprint of the device.
• Compliance and Safety: The ST232ACD is REACH unaffected and ROHS3 compliant, ensuring it meets stringent environmental and safety standards. It also has a moisture sensitivity level (MSL) of 1, indicating it is suitable for unlimited storage and handling.
• Supply Voltage Range: The transceiver operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply options.

ST232ACD Applications

The ST232ACD is ideal for a wide range of applications where reliable and efficient RS232 communication is required. Some specific use cases include:

• Industrial Automation: In industrial settings, the ST232ACD can be used for communication between programmable logic controllers (PLCs), sensors, and other industrial devices.
• Telecommunications: The transceiver can facilitate data transmission in telecommunication systems, ensuring seamless communication between different components.
• Computer Peripherals: It can be used in computer peripherals such as modems, printers, and other devices that require RS232 communication.
• Medical Equipment: In medical devices, the ST232ACD can provide reliable communication for data transfer between diagnostic equipment and control systems.
• Consumer Electronics: The transceiver can be integrated into consumer electronics for communication between different modules, enhancing the overall functionality and user experience.

Conclusion of ST232ACD

The ST232ACD from STMicroelectronics is a versatile and reliable RS232 transceiver that offers full-duplex communication with a high data rate of 400 kbps. Its wide operating temperature range, receiver hysteresis, and surface-mount packaging make it suitable for a variety of applications, including industrial automation, telecommunications, and consumer electronics. The transceiver's compliance with environmental and safety standards ensures it meets the requirements of modern electronic design. While the product is now obsolete, its legacy continues to influence the design of modern communication systems. For those seeking a reliable and efficient RS232 transceiver, the ST232ACD remains a notable choice.