TL28L92FR

Overview

The TL28L92FR is a dual universal asynchronous receiver/transmitter (UART) interface integrated circuit manufactured by Texas Instruments. It operates with a supply voltage range of 3.3 V to 5 V and supports data rates up to 1 Mb/s. The device features two independent channels, each equipped with a 16-byte storage capacity buffer. Designed for surface-mount applications, it is housed in a QFP-44 package. The component functions within an operating temperature range from -40°C to +85°C and includes humidity sensitivity characteristics requiring appropriate handling during assembly.

Feature Summary

• Dual channel architecture supporting simultaneous asynchronous serial communication
• Integrated 16-byte buffer per channel for data management
• Compatible with standard 3.3 V and 5 V logic power supplies
• Surface-mount design suitable for automated PCB assembly processes

Applications

• Industrial control systems requiring serial data exchange
• Embedded microcontroller interfaces for peripheral connectivity
• Communication modules in consumer electronics hardware

Procurement Notes

Verify the current lifecycle status before procurement as the component may be discontinued. Confirm that the QFP-44 package dimensions match the target footprint. Ensure compliance with RoHS directives if required by the final product specifications. Check for moisture sensitivity level requirements to determine proper storage and reflow soldering conditions. Validate that the 1 Mb/s data rate meets the system timing constraints.

Selection Notes

Select this component when a dual UART interface is needed for 3.3 V or 5 V systems. The QFP-44 package offers a balance of pin count and board space. Consider the -40°C to +85°C temperature range for industrial or commercial environments. Verify that the 16-byte buffer depth is sufficient for the application's throughput requirements without excessive external buffering.

Part Context

The TL28L92FR belongs to the TL28L92 series of UART interface ICs from Texas Instruments. This series provides reliable asynchronous serial communication capabilities. The FR suffix typically denotes the tape and reel packaging variant, although official documentation should be consulted for specific packaging details. It serves as a bridge between parallel microprocessor buses and serial data streams.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Texas Instruments documentation for direct replacements or functional equivalents within the same family.