www.DataSheet4U.com SC16IS741 Single UART with I2.
SC16IS741 - Single UART with I2C-bus/SPI interface
www.DataSheet4U.com SC16IS741 Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support Rev. 01 — 29 .SC16IS741A - Single UART
SC16IS741A Single UART with I2C-bus/SPI interface, 64 bytes of transmit and receive FIFOs, IrDA SIR built-in support Rev. 1 — 18 March 2013 Product.