XR16C864IQTR-F

UARTs (Universal Asynchronous Receiver Transmitter) Overview

The XR16C864IQTR-F is a quad-channel Universal Asynchronous Receiver/Transmitter (UART) interface integrated circuit manufactured by MaxLinear. It operates within a supply voltage range of 2.97 V to 5.5 V, supporting both 3.3 V and 5 V logic levels. The device features a 128-byte storage capacity and supports data rates up to 2 Mb/s. It includes four independent channels with interrupt capabilities and supports IrDA, RS-232, and RS-485 communication protocols. The component is housed in a PQFP-100 surface-mount package and functions reliably across an operating temperature range of -40°C to +85°C.

UARTs (Universal Asynchronous Receiver Transmitter) Feature Summary

• Quad-channel architecture providing four independent UART interfaces within a single integrated circuit.
• Supports multiple communication standards including IrDA, RS-232, and RS-485 for versatile connectivity.
• Integrated 128-byte memory buffer to facilitate efficient data handling and transfer operations.

UARTs (Universal Asynchronous Receiver Transmitter) Applications

• Industrial automation systems requiring multi-port serial communication.
• Telecommunications equipment utilizing RS-232 or RS-485 interfaces.
• Embedded control units needing IrDA compliance for short-range wireless data exchange.

UARTs (Universal Asynchronous Receiver Transmitter) Procurement Notes

Verify the current lifecycle status before procurement, as this component may be discontinued or subject to limited availability. Confirm that the PQFP-100 package dimensions align with existing PCB footprints. Ensure compatibility with the target system's voltage requirements, specifically the 2.97 V to 5.5 V operating range. Check for moisture sensitivity labeling if long-term storage is anticipated prior to assembly.

UARTs (Universal Asynchronous Receiver Transmitter) Selection Notes

Select this component when a design requires four distinct UART ports without consuming excessive board space. It is suitable for applications demanding support for varied serial protocols such as RS-485 and IrDA. Consider the 128-byte buffer size relative to throughput requirements. Verify that the operating temperature range meets environmental conditions. Compare against other quad-UART solutions if lower power consumption or different packaging options are required.

UARTs (Universal Asynchronous Receiver Transmitter) Part Context

This part belongs to the XR16C864 series of UART interface ICs from MaxLinear. It is designed to provide high-performance serial communication capabilities in a compact form factor. The series typically targets industrial and commercial applications requiring reliable multi-channel data transmission. It complements other interface solutions by offering integrated protocol support and substantial buffering within a single package.

UARTs (Universal Asynchronous Receiver Transmitter) Replacement Considerations

Consult official MaxLinear documentation for confirmed substitute part numbers. Verify pinout compatibility and electrical specifications before considering alternative components. Ensure any replacement maintains support for the required 2 Mb/s data rate and protocol standards.