MicroelectronicsThe UM3232EESE is a RS232 IC (Integrated Circuit) manufactured by Union Microelectronics. This IC is a type of serial communications interface that offers half-duplex communication, meaning that data can travel in either direction, but not both at the same time. This IC is in the shape of the small outline package (SOP) with 16 pins and upholds the RoHS compliance standards. This IC is suitable for applications such as factory automation, automatic testing systems, medical equipment, industrial control systems, and general purpose communication.