I/F,USB2.0 FS TO F/L H/S UART,20QFN; USB Type:Transceiver; USB Version:2.0; Supply Voltage Min:2.97V; Supply Voltage Max:5.5V; Digital IC Case Style:QFN; No. of Pins:20; Data Rate:3Mbaud; Operating Temperature Min:-40°C; Operating ;RoHS Compliant: Yes