CBTL06GP212

CBTL06GP212 High performance DisplayPort switch with high common-mode voltage support Rev. 1 — 2 May 2012 Product brief 1. General description The CBTL06GP212 is a six-channel (‘hex’) multiplexer for DisplayPort and PCI Express applications at Generation 2 (‘Gen2’) speeds. It provides four differential channels capable of 1 : 2 switching or 2 : 1 multiplexing (bidirectional and AC-coupled) PCI Express or DisplayPort signals, using high-bandwidth pass-gate technology. It provides support for high common-mode/bias voltage on the high speed differential channels. Additionally, it provides for switching/multiplexing of the Hot Plug Detect signal as well as the AUX or DDC (Direct Display Control) signals, for a total of six channels on the display side. The AUX and DDC channels provide a four-position multiplexer such that an additional level of multiplexing can be accomplished when AUX and DDC I/Os are on separate pins of the display source device. The CBTL06GP212 is designed for Gen2 speeds, at 5.0 Gbit/s for PCI Express or 5.4 Gbit/s for DisplayPort. It consumes 2 mA current (typical) in operational mode and provides a shutdown function to support battery-powered applications. A typical application of CBTL06GP212 is on motherboards where one of two GPU display sources needs to be selected to connect to a display sink device or connector. A controller chip selects which path to use by setting a select signal HIGH or LOW. Due to the non-directional nature of the signal paths (wh...