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Date: | Fri, 21 Aug 2015 09:04:39 +0200 (CEST) |
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Subject: | [geda-user] [pcb-rnd] parametric footprint: plcc() and qsop() |
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Hi all, finished the support for plcc() and qsop() - they are just frontends to qf() and so() respectively. These were the last two missing generators on my TODO list. Please let me know if you know of any footprint family that could be or should be generated. The requirements are: - the footprint family is a series of footprints that can be generated using the same code, with changing some base properties (e.g. number of pins) - dimensions and other properties can be calculated from the base properties with reasonable formulas and conditional code; e.g. sot* is not a good candidate for generation, as sot23 or sot89 can not be generated from some common anestor by varying one or two parameters, but would need a large table that translates package name to a pattern - easier to keep those in static footprint files - has a reasonable amount of existing variations; e.g. it is not worth writing a generator for the dsub family because there are only a few of them in common use (db9, db15, db25, and maybe db37). - preferably a link to a datasheet that shows at least 3 members of the family; if that's not possible, separate datasheets describing at least 3 members of the family Regards, Igor2
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