The NL3HS3124A is a 2 channel, 2−to−1 differential multiplexer /demultiplexer for USB 3.0, PCI Express Generation 3, or other high−speed serial interface applications. The NL3HS3124A can switch two differential signals to one of two locations. The device has minimal channel−to−channel skew as well as minimal channel−to−channel crosstalk, making the device ideal for high−speed serialinterface applications.