| EXAR | 1 (RS-422), 1 (RS-485), 2 (RS-232) | 1 (RS-422), 1 (RS-485), 2 (RS-232) | 1 (RS-422), 1 (RS-485), 2 (RS-232) | 1 (RS-422), 1 (RS-485), 2 (RS-232) | 1 (RS-422), 1 (RS-485), 2 (RS-232) | 20Mbps | Surface Mount | QFN | 32 | Differential, Single Ended | Differential, Single Ended | EIA/TIA-485 | Single | 3 → 5.5 V |