UART, DUAL, 16B FIFO, 48TQFP; No. of Channels:2; Data Rate:4Mbps; UART Features:Transmit / Receive FIFO 16Bytes; Supply Voltage Range:2.25V to 5.5V; Operating Temperature Range:-40°C to +85°C; Digital IC Case Style:TQFP; No. of Pins:48; Package / Case:TQFP; Supply Voltage Max:5.5V; Supply Voltage Min:2.25V; Termination Type:SMD