Re: gEDA-user: Shall we use letters (i.e. E, C, B ) for transsitor pin names?

[Steve Meier <smeier@xxxxxxxxxxxxxxxxxxx>]

First, pin numbers are strings and thus letters can and are used.
Frequently bGA's will use leterf for either rows or columns and numbers
for the other.

Second, what is important between the symbol and the foot print is that
they agree on what the pins are called.

This brings up the other discussion on the use of a db or heavy symbols.
While currently the above two rules are what count if there was a way of
translating from the schematic to the layout program then using symbols
that had pins of e, b, c for transiters would make perfect sense. The
translator would allow you to select the package and convert the netlist
to having a part that used pads 2, 1, 3 for the e, b, c.

Steve Meier


Stefan Salewski wrote:
> Werner Hoch wrote:
>
>   
>> Hi Stefan,
>>     
>
>   
>> we have pinlabels and pinnumbers, I guess your speaking about 
>> pinnumbers?
>>     
>
> Oh sorry -- yes I was speaking of using letters for pinnumbers.
>
>   
>> I'm using BCE as pinnumber attributes as long the footprint of the 
>> device (transistor) is not defined. Thus it's easy to replace them when 
>> adding a footprint.
>>     
>
> Hm. Can we not use letters for pinnumbers in gschem-symbols and the same
> letters in the pcb footprint file?
>
> I am a little bit confused.
>
> Regards
>
> Stefan Salewski
>  
>
>
>
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>   



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