Hi,
Is it possible with HD3SS3411 (One Channel Differential 2:1 Mux/Demux) to make a MUX / DEMUX toplology as per the attached diagram?
We have A and B channel of LVDS ( Asynchronous, Direct coupling ( No AC caps), VCM=1.25V, VDIFF=350mV ) running at 100Mbps. We have to MUX / DEMUX 6 nos of devices into a single A&B channel to our master system (EVK of a Xilinx MPSOC).
So, there will be A1 to A6 LVDS Tx and Rx, B1 to B6 LVDS Tx and Rx. Either A1,B1 (Tx&Rx) channel or any of the An,Bn (Tx&Rx) from 1 to 6 channels need to be connected at a time with MPSOC EVK.
Concern with HD3SS3411 is , it is a passive switch , so while cascading this (3nos MUX/DEMUX cascaded in this config, from start to end) , ON time resistance (5-8 ohm/stage) will added together and it may make signal quality issues,( We can also use 4:1 MUX/DEMUX to make the minimum number of cascading,if available). One more point, apart from the switch solution mentioned above, is there any suitable MUX/DEMUX re-generator suggestions , so that the signal quality won't affect?
RegardsMUX-DEMUX _LVDS_ti.pdf