UART IC; No. of Channels:2; Data Rate:4M; IC, DUAL UART, 4MBPS, 5.5V, 44-PLCC; No. of Channels:2; Data Rate:4Mbps; Supply Voltage Min:2.97V; Supply Voltage Max:5.5V; Digital IC Case Style:PLCC; No. of Pins:44; Operating Temperature Range:-40°C to +85°C