UART 4-CH 64byte FIFO 3.3V/5V 64-Pin LQFP
EXAR ST16C654CQ64-F UART Interface, 4 Channel, 1.5 Mbps, 2.97 V, 5.5 V, LQFP, 64 Pins
4-Ch Serial I/O Controller, 1.5Mbps, 5.5V, LQFP-64
Serial I/O Controller, 4 Channel(s), 0.1875MBps, CMOS, PQFP64, 10 X 10 MM, 1.40 MM HEIGHT, GREEN, LQFP-64
4-Ch Serial I/O Controller, 24MHz, 8-bit, 5V, PQFP64