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CBTU04082 is an 8-to-4 differential channel multiplexer/ demultiplexer switch. The CBTU04082 can switch four differential signals to one of two locations. Using a unique design technique, NXP has minimized the impedance of the switch such that the attenuation observed through the switch is negligible, and also minimizes the channel-to-channel skew as well as channel-to-channel crosstalk, as required by the high-speed serial interface.