IC UART QUAD SOT414-1
SC16C554BIBS,157
SC16C754B - 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 64-byte FIFOs QFP 64-Pin
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 QFP 64-Pin
IC UART QUAD W/FIFO 64-LQFP
