XR3318 RS-485 & RS-422 Receivers MaxLinear XR3318 RS-485 and RS-422 Receivers are high-performance receivers in compact 3mm2 5-pin or 6-pin packages. The receivers (includes XR33180, XR33181, XR33183, and XR33184) feature 3V to 5.5V supply operation, a 52Mbps maximum data rate, and a 1.65V to 5.5V I/O logic supply. The XR3318x components offer a design solution for ever-increasing system requirements for high-performance serial communication applications. Enhanced failsafe circuitry protects open, shorted, or terminated but idle data lines. Several pinout options are available to maximize performance in a variety of applications.