IC, UART, QUAD, 16BYTE FIFO, 16C554; No. of Channels:4; UART Features:Transmit / Receive FIFO 16Bytes; Operating Temperature Range:-40°C to +85°C; Digital IC Case Style:PLCC; No. of Pins:68; Base Number:16; Baud Rate Bits per Second:5Mbps; Clock Frequency:80MHz; Data Rate Max:5Mbps; IC Generic Number:16C554; Logic Function Number:16C554; Operating Temperature Max:85°C; Operating Temperature Min:-40°C; Package / Case:PLCC; Supply Voltage Max:5V; Supply Voltage Min:2.5V; Termination Type:SMD; UART Type:Asynchronous; Voltage Vcc Max:5V