TXRX, RS232, ESD, 20TSSOP; Device Type:Transceiver; IC Interface Type:RS232; No. of Drivers:2; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Driver Case Style:TSSOP; No. of Pins:20; Operating Temperature Min:0°C; Operating Temperature Max:70°C; Base Number:3224; Operating Temperature Range:0°C to +70°C; Supply Voltage Range:3V to 5.5V