How often can this be practical? It seems to me that the vast majority of
signals would not happen to align with the physical pin you needed in order
to attach components side by side. You'd need to space them out and put
small traces.
I have seen some clever IC configurations along these lines, though - I've
once seen on a production board, SMT memory ICs literally stacked atop one
another, all the top pins soldered directly to the bottom pins, with just
the chip-enable and write-enable signals broken out independently.
-Andrew
On Tue, May 25, 2010 at 10:28 AM, Richard
<
richard.liberatoscioli@...>wrote:
>
>
> .........Yes!
>
> Any RCL electronically grouped is "physically grouped" into a very tight
> formation during the "pick and place"
>
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