Dual UART Interface IC, 5Mbps, 2 Channels, 5V, Surface Mount
Single UART IC, 3Mbps, 5V, 4.5mA, Surface Mount, -40°C to 85°C
SC16C2550B - 5 V, 3.3 V and 2.5 V dual UART, 5 Mbit/s (max.), with 16-byte FIFOs QFN 32-Pin