IC QUAD UART 64BYTE 68PLCC
SC16C654B/654DB - 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.), with 64-byte FIFOs and infrared (IrDA) encoder/decoder LCC 68-Pin
IC UART QUAD 64BYTE 68PLCC
