On Oct 1, 2008, at 5:52 AM, Wojciech Kazubski wrote:

> Maybe nesting the light component inside a heavy one is the solution?
> Something like
>
> C 42300 41300 1 0 0 7400-1.sym
> {
> C 44100 44900 1 0 0 nand-1.sym
> T 44100 44900
> device=74HC00
> T 44100 44800
> footprint=DIL14
> ...
> }
>

This has the general flaw that all instance-based solutions have: if  
the next project needs the same circuit at twice the speed, you have  
to track down every nand-1 instance and change it to, say 74AHC00.  
But if you have a project NAND symbol, you only have to fix that  
symbol: you don't even need to change the schematic at all.


John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
[EMAIL PROTECTED]




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