Texas Instruments

TL16C452FN

TL16C452FN Description

The TL16C452FN from Texas Instruments is a high-performance dual universal asynchronous receiver-transmitter (DUART) designed for robust serial communication applications. Housed in a 68-pin PLCC package, this surface-mount IC operates within a 4.75V to 5.25V supply range, ensuring compatibility with standard TTL logic levels. As part of TI's legacy product line (Last Time Buy), it remains a reliable choice for embedded systems requiring dual-channel UART functionality with modem control. Its REACH Unaffected and ROHS3 Compliant status makes it suitable for environmentally conscious designs, while its Moisture Sensitivity Level (MSL 3) ensures durability in controlled manufacturing environments.

TL16C452FN Features

• Dual UART Channels: Two independent full-duplex UARTs for simultaneous serial communication.
• Modem Control: Integrated modem signaling (RTS, CTS, DSR, DTR, CD, RI) simplifies interfacing with modems or peripherals.
• Printer Port Support: Optimized for parallel-to-serial conversion in printer applications.
• Wide Voltage Range: Operates at 5V ±5%, ensuring stable performance in industrial environments.
• Surface-Mount Design: 68-pin PLCC package for compact PCB integration.
• Legacy Reliability: Last Time Buy status indicates proven performance in long-term deployments.

TL16C452FN Applications

• Industrial Automation: Multi-channel serial communication for PLCs and control systems.
• Point-of-Sale (POS) Terminals: Dual UARTs enable simultaneous printer and peripheral connectivity.
• Embedded Systems: Ideal for legacy designs requiring modem control or printer interfacing.
• Telecommunications: Modem-handling capabilities suit dial-up or backup communication modules.

Conclusion of TL16C452FN

The TL16C452FN stands out for its dual-channel UART with modem control, making it a versatile solution for serial communication-heavy applications. While classified as Last Time Buy, its robust feature set, 5V compatibility, and industrial-grade reliability ensure continued suitability for legacy upgrades or niche designs. Engineers seeking a tested, RoHS-compliant DUART with printer port support will find this IC a pragmatic choice.