UART PLCC-44, ST16C550CJ44, Exar
Single UART Interface IC, 1.5Mbps, 5.5V, PLCC, Surface Mount
Serial I/O Controller, 1 Channel(s), 0.1875MBps, CMOS, PQCC44, GREEN, PLASTIC, LCC-44
UART 1-CH 16byte FIFO 3.3V/5V 44-Pin PLCC