SP3490 / SP3491 3.3V Low Power Full-Duplex RS-485 .
SP3491 - +3.3V Low Power Full Duplex RS-485 Transceivers with 10Mbps Data Rate
SP3491 - 3.3V Low Power Full-Duplex RS-485 Transceivers
SP3491 - +3.3V Low Power Full-Duplex RS-485 Transceivers