TL16C554APNRG4

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The TL16C554APNRG4 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-pin Low-Profile Quad Flat Package (LQFP) measuring 12x12 mm. The component complies with RoHS standards and includes features such as automatic flow control and modem control signals.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Integrates four independent UART channels with dedicated 16-byte transmit and receive FIFOs for efficient data handling.
• Supports high-speed asynchronous communication with maximum data rates reaching 1 Mbps.
• Includes hardware automatic flow control and full modem control signal support for reliable serial connectivity.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring multiple serial communication ports
• Embedded controllers managing simultaneous data streams from various peripherals
• Telecommunications equipment utilizing standard asynchronous protocols

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the complete part number including the G4 suffix to confirm lead-free and RoHS compliance status. Ensure the ordering information matches the specific tape-and-reel packaging configuration required for surface-mount assembly processes. Cross-reference the manufacturer's latest datasheet for any updates on environmental declarations or pin assignments.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a design requires four distinct UART interfaces within a single package to save board space. Consider the 80-LQFP footprint for PCB layout constraints and verify that the operating temperature range meets the system requirements. Confirm compatibility with the target microcontroller's voltage levels and interrupt handling capabilities.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the TL16C554A family of quad UARTs from Texas Instruments. It serves as a direct replacement for legacy multi-channel serial interface solutions, offering improved performance through integrated FIFOs. The G4 suffix indicates a lead-free variant compliant with current environmental regulations, maintaining pin-to-pin compatibility with earlier versions.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

The TL16C554AIPN is listed as a parameter-equivalent alternative. Verify package type differences between the N (reel) and PN (tube) suffixes if existing inventory uses different packaging formats.