Wouter van Ooijen wrote:

>> Any other ideas?
>
> Make clear to the one who created this requirement that it is
> excessively expensive!

LOL, unfortunately this decision had been made a long time ago, with no 
input from us. :)

We're still in the exploratory phase of this project, in reality the 
requirements are a bit more lax (each line must be switchable with a subset 
of the pins, although it depends on the pin).


> Maybe you can find a cheap driver chip that can do everything, and put
> such a chip on every pin. Do the routing at the input side of the driver
> chip. The receiver can probably tolerate an analog mux in series.

That's what we're leaning toward, especially after I checked out the 
switches that Sean suggested.

Vitaliy 

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