TL16C754FN

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C754FN is a quad universal asynchronous receiver/transmitter (UART) featuring 64-byte transmit and receive FIFOs. It supports data rates up to 3 Mbps with a 5-V supply and up to 2 Mbps with a 3.3-V supply, utilizing input clocks up to 50 MHz and 35 MHz respectively. The device operates within an extended temperature range of -40°C to +85°C and is housed in a 68-pin PLCC package. Key specifications include programmable baud rate generators, selectable trigger levels for DMA and interrupts, and comprehensive modem control functions.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Integrated 64-byte FIFOs for both transmission and reception to reduce processor overhead
• Automatic hardware flow control using auto-RTS and auto-CTS signals
• Configurable software flow control with programmable Xon/Xoff characters
• Fully prioritized interrupt system supporting six distinct interrupt levels

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• High-speed serial communication interfaces requiring multiple independent channels
• Industrial control systems operating in extended temperature environments
• Embedded systems utilizing DMA for efficient data transfer management

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm pin compatibility and electrical characteristics. Ensure that the 68-pin PLCC package variant matches the target PCB footprint requirements. Confirm that the voltage supply levels align with the system design constraints before finalizing procurement.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when four independent UART channels are required on a single integrated circuit. Consider the 64-byte FIFO depth for applications demanding reduced CPU intervention during high-throughput serial data transfers. Evaluate the extended temperature rating if the deployment environment exceeds standard commercial limits.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This component belongs to the Texas Instruments TL16C75x family of quad UARTs. It serves as an enhanced successor to earlier generations, offering larger buffer capacities and improved flow control mechanisms. The device maintains pin compatibility with certain legacy counterparts while providing expanded feature sets through dedicated enhancement registers.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The TL16C754 is documented as pin-compatible with the ST16C654. Verify functional equivalence regarding enhanced feature register configurations when substituting with other quad UART variants from different manufacturers.