Hello everybody, I am trying to create a footprint with a correct name using the IPC-7351 Naming Convention for Standard SMT Land Patterns.
But I am having some issues, i am using the below document to learn about the naming convention: https://secure.powercraft.nl/svn/openarm/trunk/working/pcb/documents/footprint-name-spec.pdf The footprint I want to make is a 54-pin TSOP II (400 mil), see: https://secure.powercraft.nl/svn/openarm/trunk/doc/SDRAM/MT48LC16M16A2P-7E/256MSDRAM.pdf # page 75, 54-Pin Plastic TSOP I tried to figure it out but I don't know what the lead span 1(L1) is? footprint: TSSOP-65P-640L1-54N 54-pin TSOP II (400 mil) TSSOP pin spacing, lead span 1, pin count P pin spacing dimension L1 lead span 1 dimension N pin count count I also learned to create footprints with the following document: https://secure.powercraft.nl/svn/openarm/trunk/working/pcb/documents/land_patterns_20070818.pdf I had my ups and downs learning this and had some help trough IRC. However the creation of a 54-pin TSOP II seems to be able to automate using a script. I looked at the following, but it uses a license I disagree with and I can't figure out how it works, I prefer OSI and GPL compatible licenses. http://www.luciani.org/geda/pcb/pcb-perl-library.html Would somebody be able to help me out, what should the name of the footprint become and what scripts can I use to make the footprint and how can I do this? Could somebody help me out by making an example for the 54-pin TSOP II footprint? I got a lot more footprints to make, and I can use all the help, since time is getting really sparse. OpenARM Single Board Computer Project: https://secure.powercraft.nl/websvn/openarm/ Thanks in advance, Jelle de Jong _______________________________________________ geda-user mailing list [email protected] http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
