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MAX3485 - True RS-485/RS-422 Transceivers
MAX3485AE - 20Mbps and Slew-Rate-Limited RS-485/RS-422 Transceivers
MAX3485 - 10Mbps Half-Duplex RS-485/RS-422 Transceiver
MAX3485E - 12Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers