TL16C2550RHBG4

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C2550RHBG4 is a dual universal asynchronous receiver-transmitter (DUART) manufactured by Texas Instruments. It integrates two independent UARTs with 16-byte FIFO buffers on each channel, supporting data rates up to 3 Mbps at 3.3V. The device operates within a supply voltage range of 3.0V to 3.6V and features an extended industrial temperature range from -40°C to +85°C. It utilizes a 48-pin TQFP package with a 0.8mm pitch. Key electrical specifications include a maximum clock frequency of 16 MHz and compliance with RS-232 standards for serial communication interfaces.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Integrates two fully independent UART channels with dedicated 16-byte transmit and receive FIFOs to minimize CPU intervention during high-speed data transfers.
• Supports flexible baud rate generation with programmable dividers, enabling precise synchronization for various serial communication protocols.
• Includes comprehensive flow control mechanisms such as hardware RTS/CTS and software XON/XOFF support for reliable data integrity.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring robust serial communication links
• Embedded control units in automotive electronics
• Telecommunications equipment utilizing multi-channel serial interfaces

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix RHBG4 confirms the 48-pin TQFP package and lead-free RoHS compliance. Ensure the component matches the required 3.3V operating voltage and industrial temperature grade for your specific design environment. Cross-reference the manufacturer's latest datasheet to confirm pinout compatibility and electrical characteristics before finalizing procurement decisions.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when dual independent serial ports are required within a single integrated circuit. Consider the 16-byte FIFO depth for applications needing reduced processor overhead. Verify that the 48-pin TQFP footprint fits the PCB layout constraints. Ensure the system power supply aligns with the 3.0V to 3.6V operational range specified for optimal performance.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the TL16C255x family of dual UARTs, designed for embedded applications requiring multiple serial interfaces. It serves as a successor or alternative to older single UART solutions, offering higher integration density. The device is commonly used in legacy system upgrades where space savings and increased I/O density are critical design factors.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Check for direct pin-to-pin replacements within the same family, such as other variants in the TL16C255x series. Verify functional equivalence regarding FIFO size and supported baud rates. Confirm that any substitute maintains the same package dimensions and thermal characteristics to ensure mechanical compatibility without redesigning the host board.