XR17D154IV-F Quad UART Interface IC with RS485, IrDA, and 6.25Mbps Data Rate 2025-04-21 MaxLinear's XR17D154IV-F is a high-performance quad UART IC featuring RS485 support, 6.25Mbps data rate, 64-byte FIFOs, IrDA functionality, and false start bit detection in a 144-LQFP package. Ideal for industrial automation and embedded systems.