The GX5642 is a 3U PXI instrument card that can be used for general data acquisition, process control, Automatic Test Equipment (ATE), Functional Test, and factory automation applications. The GX5642 consists of 64 bi-directional TTL-to-differential LVDS I/O channels. Each channel has two ports (TTL and LVDS) and can be individually set to operate in either conversion or static I/O modes.