The BL3085B with RS-485/RS-422 ICs is a single-driver/receiver device with a data rate of 250kbps that operates between 4.5V and 5.5V. It is available in a SOIC-8_150mil package and is RoHS (Restriction of Hazardous Substances) compliant. This part is manufactured by the company Belling. It is designed for use in balanced communication networks such as those operating on the EIA/TIA-485 (RS-485) or EIA/TIA-422 (RS-422) standard. It features integrated protection from high speed transients, ground potential differences, and excessive power supply voltage ratings. This part is suitable for use in commercial, industrial, and automotive applications.