RS485 RS422 Converter Adapter, RS-485 communication, RS -422 connector,

 ST3485E Series 3.3 V ±15 kV ESD Protected RS-485/RS-422 Transceiver - SOIC-8

https://www.futureelectronics.com/p/semiconductors--signal-interface--rs-485-422/st3485ebdr-stmicroelectronics-5424858