In the last CICC, Motorola presented an article with a circuit
like the one u are talking about. I do not have in front of me, but u can look
for the book in the library and find the article. The circuit is very simple and
gives u the functionality u are asking for.
regards, yehuda
>
>
> Hi,
>
> my question concerns the CMOS off-chip driver design.
>
> There is a plenty of design techniques to control the drivers output
> current or output edge slew rate in order to e.g. reduce SSN.
>
> Is there any kind of CMOS off-chip driver that really use their output
> voltage/current as controlling parameter in a FEEDBACK LOOP to drive
> the input of the final stage of the driver?
>
> IF YES,
> I hope there's any chance that someone provides me with one
> example of such a type of output driver for my SSN modeling work
> as part of my PhD thesis (preferrably as HSPICE model).
>
> I am not interested in getting a look into latest technology
> informations but I need a real design of such type of output driver
> (if existing) to investigate differences of the transient behavior of
> drivers with and without feedback loop in principle.
>
> So I could live with an example of an earlier technology.
>
>
> All feedback are welcome.
> Best Regards
>
> Michael
>
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