NXP Semiconductors - Part Numbers

SC16C654BIEC,528 IC, 5V, 3.3V, and 2.5V, Quad UART, 5 MBit/s (max.), with 64-Byte FIFOs and Infrared (IrDA) Encoder/Decoder
SC16C654BIEC,551 IC, 5V, 3.3V, and 2.5V, Quad UART, 5 MBit/s (max.), with 64-Byte FIFOs and Infrared (IrDA) Encoder/Decoder
SC16C654BIEC,557 IC, 5V, 3.3V, and 2.5V, Quad UART, 5 MBit/s (max.), with 64-Byte FIFOs and Infrared (IrDA) Encoder/Decoder
SOT686-1

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