Texas Instruments

TL16C450FN

TL16C450FN Description

The TL16C450FN from Texas Instruments is a high-performance Universal Asynchronous Receiver Transmitter (UART) designed for reliable serial communication in embedded systems. Housed in a 44-PLCC package, this surface-mount IC operates within a 4.75V to 5.25V supply range, making it suitable for 5V logic systems. It features a single-channel UART with advanced capabilities, including modem control signals and false start bit detection, ensuring robust data integrity in noisy environments. With an ECCN of EAR99 and RoHS3 compliance, it meets stringent environmental and regulatory standards. The device is classified as Last Time Buy, indicating its phased-out status but remains a dependable choice for legacy designs.

TL16C450FN Features

• Modem Control Support: Integrated modem control signals (RTS, CTS, DSR, DTR, RI, DCD) simplify interfacing with modems or other peripheral devices.
• False Start Bit Detection: Enhances noise immunity by identifying and discarding erroneous start bits, reducing communication errors.
• Single-Channel UART: Provides full-duplex asynchronous communication with programmable baud rates.
• Wide Voltage Range: Operates at 4.75V–5.25V, compatible with standard TTL/CMOS levels.
• Surface-Mount Design: 44-PLCC package optimizes board space in compact applications.
• Regulatory Compliance: RoHS3 and REACH unaffected, ensuring adherence to global environmental standards.
• Moisture Sensitivity Level (MSL 3): Requires careful handling but offers a 168-hour floor life after exposure.

TL16C450FN Applications

• Industrial Automation: Ideal for PLCs, sensors, and control systems requiring reliable serial communication.
• Legacy Systems: Suitable for maintaining or upgrading older equipment due to its 5V compatibility and robust feature set.
• Telecommunications: Modem control support makes it useful in dial-up modems or serial data transmission devices.
• Embedded Systems: A dependable choice for microcontrollers or processors needing UART interfacing in harsh environments.

Conclusion of TL16C450FN

The TL16C450FN stands out for its modem control integration, noise-resistant design, and 5V compatibility, making it a versatile solution for legacy and industrial applications. While classified as Last Time Buy, its RoHS3 compliance and REACH unaffected status ensure it remains viable for environmentally conscious designs. Engineers seeking a reliable, single-channel UART with advanced features will find this IC a practical choice, particularly in noise-prone or modem-dependent systems.