Texas Instruments

PC16550DN

PC16550DN Description

The PC16550DN is a high-performance Universal Asynchronous Receiver Transmitter (UART) designed by Texas Instruments. This IC is notable for its robust feature set and compatibility with various applications requiring reliable serial communication. The PC16550DN is housed in a 40-DIP package and is designed for through-hole mounting, making it suitable for a wide range of electronic systems.

PC16550DN Features

The PC16550DN boasts several advanced features that enhance its performance and reliability:

• 16-Byte FIFOs: The inclusion of 16-byte First-In-First-Out (FIFO) buffers significantly improves data handling efficiency. This feature allows for bulk data transfers, reducing the overhead on the host processor and enhancing overall system performance.
• Modem Control: The PC16550DN supports modem control signals, enabling seamless integration with modems and other communication devices. This capability is crucial for applications requiring remote data transmission.
• False Start Bit Detection: This feature enhances data integrity by detecting and handling false start bits, which can occur due to noise or other transmission issues. This ensures reliable communication even in noisy environments.
• Data Rate: With a maximum data rate of 1.5 Mbps, the PC16550DN supports high-speed serial communication, making it suitable for demanding applications.
• Supply Voltage: The IC operates within a supply voltage range of 4.5V to 5.5V, providing flexibility in power supply requirements.
• Package: The PC16550DN is available in a tube package, which is ideal for bulk handling and storage.
• Moisture Sensitivity Level (MSL): With an MSL rating of 1 (Unlimited), the PC16550DN is highly resistant to moisture, ensuring long-term reliability in various environmental conditions.
• ECCN and REACH Compliance: The PC16550DN is classified under ECCN EAR99 and is REACH unaffected, ensuring compliance with international trade regulations and environmental standards.

PC16550DN Applications

The PC16550DN is well-suited for a variety of applications where reliable serial communication is essential:

• Telecommunications: Ideal for modems, routers, and other communication equipment requiring robust UART functionality.
• Industrial Automation: Suitable for PLCs, SCADA systems, and other industrial control applications where data integrity and reliability are paramount.
• Embedded Systems: Can be used in embedded systems for data logging, remote monitoring, and control functions.
• Networking: Applicable in network interface cards, switches, and other networking equipment for efficient data transmission.

Conclusion of PC16550DN

The PC16550DN from Texas Instruments is a versatile UART IC that offers a comprehensive set of features designed to enhance serial communication performance. Its 16-byte FIFOs, modem control capabilities, and false start bit detection make it a reliable choice for a wide range of applications. Despite being marked as obsolete, the PC16550DN remains a valuable component for systems requiring robust UART functionality. Its compliance with international standards and environmental regulations ensures that it can be used in various industries without concerns about regulatory issues. For engineers and designers seeking a reliable UART solution, the PC16550DN is a solid choice that delivers on performance and reliability.