NXP Semiconductors - Part Numbers

SC16C554BIBS,551 IC, 5V, 3.3V, and 2.5V, Quad UART, 5 MBit/s (max.) with 16-Byte FIFOs
SC16C554BIBS,557 IC, 5V, 3.3V, and 2.5V, Quad UART, 5 MBit/s (max.) with 16-Byte FIFOs
SC28L92A1BS,528 IC, 3.3V/5.0V, Dual Universal Asynchronous Receiver/Transmitter DUART
SC28L92A1BS,551 IC, 3.3V/5.0V, Dual Universal Asynchronous Receiver/Transmitter DUART
SOT778-3

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