On 4/7/06, John Doty <[EMAIL PROTECTED]> wrote: > > On Apr 7, 2006, at 1:34 PM, Carlos Nieves Ónega wrote: > > > Yes, please. There was a lot of attribute work committed to CVS in > > 09-12-2005 (european date format: DD/MM/YYYY). > > Just now I have commited some changes to the asic/ symbols, adding > > some > > missing pinlabel and pintype (passive) attributes, so maybe you can > > use > > the symbols in CVS. > > You are right: the 780x don't have pintypes. All the linear directory > > are ICs, and as I said earlier, I only fixed some of them. I expected > > that people fix the symbols as soon as they were used... I was rather > > optimistic... > > I think what's optimistic is the belief that the correct pintype is > obvious. I think people don't put pintypes on because they don't know > what to use. And I think this is *good*: the classification system > really is only applicable to logic. For other things, the more > carefully you think, the less obvious the pintype becomes... >
The pintype *is* obvious for the "fistful of TTL chips" approach to digital design, which was commonplace when EDA systems were first getting developed. Maybe the pintype DRC is a bit of an anachronism. Regards, Mark [EMAIL PROTECTED] -- You think that it is a secret, but it never has been one. - fortune cookie
