The HT3483ARZ is a RS-485/RS-422 Integrated Circuit (IC) manufactured by HTCSEMI. It is compliant with RoHS standards and is designed for serial data communication in a variety of systems and applications. The HT3483ARZ provides full duplex communication capabilities with data rate up to 20 Mbps, making it ideal for applications such as industrial automation, lighting control, point of sale systems, and medical equipment. It also features RS-485/RS-422 support, low stand-by current, and low drive capability, as well as EMI protection, enhanced ESD protection, and input/output signal conditioning. Additionally, the HT3483ARZ includes built-in precaution features that guarantees protection against accidental short-circuits and over-temperature.