EXAR ST16C550CP40-F. IC, UART INTERFACE, 1.5Mbps, 5.5V DIP-40
Single UART Interface, 1.5Mbps, 1 Channel, 1 Function, PDIP Package
Uart 1-CH 16BYTE Fifo 3.3V/5V 40-PIN PDIP
2.97V To 5.5V Duart With 16 Byte Fifos
ST16C650CP40-F