UART 2-CH 128Byte FIFO 3.3V/5V 44-Pin PLCC
Quad Serial Communication Controller, 24MHz, 5V, Industrial Temperature, 44-Pin QCCJ Package
Serial I/O Controller, 2 Channel(s), 0.78125MBps, CMOS, PQCC44, PLASTIC, LCC-44
Industrial Quad Serial IO Controller, 3.3V, 50MHz, 44-Pin QCCJ Package