TL16C554AIPN

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C554AIPNR 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 complies with RoHS standards.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad-channel architecture providing four independent asynchronous communication paths
• Integrated 16-byte transmit and receive FIFOs per channel for efficient data buffering
• Supports automatic hardware flow control and standard modem control signal interfacing
• Includes false start bit detection logic to improve communication reliability

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial serial communication systems requiring multiple independent ports
• Embedded controllers managing high-throughput data acquisition tasks
• Telecommunications equipment utilizing asynchronous data transfer protocols
• Automotive electronic control units with multi-channel diagnostic interfaces

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the specific suffix against official Texas Instruments documentation to confirm package type and temperature range. Ensure the ordering part number matches the required pin configuration and electrical specifications. Cross-reference the manufacturer's latest datasheet for any updates on material compliance or recommended operating conditions prior to procurement.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when four independent UART interfaces are required within a single footprint. Consider the 16-byte FIFO depth for applications needing reduced CPU intervention during data bursts. Verify that the system power supply falls within the 3V to 5.25V operational range. Confirm that the 80-LQFP package dimensions fit the available PCB real estate and thermal requirements.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This device belongs to the TL16C554 family of quad UARTs from Texas Instruments. It serves as a direct upgrade or alternative to single-channel UARTs in designs requiring increased serial connectivity. The family is characterized by its compatibility with standard RS-232 and RS-485 transceivers when paired with appropriate line drivers.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Texas Instruments documentation for potential cross-references or newer revisions within the same product family.