MAXIM MAX3483/MAX3485/MAX3486/MAX3488/MAX3490/MAX3491 handbook
Datasheet
MAX3483 series are 3.3V low-power RS-485/RS-422 transceivers, which are used in telecommunications, industrial control and local area networks.
Maxim MAX3491 manuals
MAXIM MAX3483/MAX3485/MAX3486/MAX3488/MAX3490/MAX3491 3.3V-Powered 10Mbps Slew-Rate-Limited True RS-485/RS-422 Transceivers handbook
Datasheet
The MAX3483/3485/3486/3488/3490/3491 are 3.3V, low-power RS-485/RS-422 transceivers. The device features include operation from a single 3.3V supply and compatibility with +5V logic.