The KY3243LEEY is an RS232 serial transceiver IC designed and manufactured by Keysemi. It is a TSSOP-28 package and is RoHS compliant. The IC has a dedicated transmit path interrupt for efficient hardware flow control. It supports up to five configurable data formats of up to 8, 16, 32, or 64 bits. It supports 3-wire recovery from data errors using error detection, parity, frame error, and overrun functions. In addition, it features Wake-on-Ring for low power applications and power down detection for wakeup functionality. The KY3243LEEY is ideal for industrial automation, avionics, medical, and automotive applications.