TXRX, RS232/422/485, 28TSSOP; Device Type:Transceiver; IC Interface Type:RS232, RS422, RS485; No. of Drivers:5; Supply Voltage Min:3.3V; Supply Voltage Max:5V; Driver Case Style:TSSOP; No. of Pins:28; Operating Temperature Min:0°C; Operating Temperature Max:70°C; MSL:-; Base Number:337; Operating Temperature Range:0°C to +70°C; Supply Voltage Range:3.3V to 5V