TL16C554IPNR

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C554IPNR is a quad universal asynchronous receiver/transmitter (UART) integrated circuit manufactured by Texas Instruments. It features four independent UART channels, each equipped with a 16-byte FIFO buffer to enhance data throughput and reduce processor overhead. The device supports data rates up to 1 Mbps and operates within a supply voltage range of 3V to 5.25V. It is housed in an 80-LQFP package measuring 12x12 mm. Key functional capabilities include automatic flow control, modem control signals, and false start bit detection. The component is designed for surface-mount installation and is RoHS compliant.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad UART architecture with independent 16-byte transmit and receive FIFOs per channel
• Supports baud rates up to 1 Mbps with programmable clock dividers
• Integrated hardware flow control and modem control signal management
• False start bit detection capability to improve communication reliability

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring multi-channel serial communication
• Embedded controllers connecting to multiple peripheral devices via UART
• Data acquisition systems utilizing high-speed serial data transfer
• Telecommunications equipment interfaces

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the complete part number including the suffix 'IPNR' to ensure correct packaging and temperature grade. Confirm the 80-LQFP package dimensions match the PCB footprint design. Check RoHS compliance status if required by specific environmental regulations. Ensure the supply voltage range aligns with the system's power delivery network.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when four independent UART channels are required in a single package. Consider the 16-byte FIFO depth for applications needing reduced CPU intervention. Verify compatibility with the target microcontroller's voltage levels. Evaluate the 80-LQFP package size against available board space constraints.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the TL16C554A family of quad UARTs from Texas Instruments. It shares core functionality with variants like TL16C554APNR but differs in packaging or temperature specifications. The IPNR suffix typically indicates a specific tape-and-reel packaging option suitable for automated assembly processes.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Direct pin-to-pin replacements include TL16C554APNR and TL16C554PN. Verify that substitute parts maintain identical FIFO depths and maximum data rate specifications. Ensure the alternative component supports the same supply voltage range and package dimensions.