How to built 8:1 mux with 2GHz frequency ?

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design question

it's hard to do,I think the important problem is the vendor's technology,not the design itself
 

Re: design question

ok we have cadence tool.
so could u tell me how to meet 2GHz specification.
i made the 8:1 mux using transmission gate so whether will it work or not.
 

design question

Depending on the process, in a 0.90um process I don't feel it's difficult to meet.

You change some inputs to drive output to change state, then monitor the rise/fall time of mux output to see whether it's 0.5ns behind the rising edge of input.
 

design question

Hi all,
sachinmaheshwari it is impossible with the conventionnal front end tools so you have to design the mux at transistor level using a analog platform like virtoso cadence.
 

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