Index: doc/developer/ddrc/requirements.txt =================================================================== --- doc/developer/ddrc/requirements.txt (revision 32039) +++ doc/developer/ddrc/requirements.txt (revision 32040) @@ -1,20 +1,19 @@ The Dynamic DRC should be able to solve at least these tasks: - check star grounding - - require subcircuit placement on same layer - - specify subcircuit proximity to each other on same layer - - specify subcircuit proximity to the edge - - specify subcircuit proximity to network or other copper feature - on the same layer - - perform copper vs. copper checks - - minimal gap between an object or network and anything else - - minimal gap between high voltage and low voltage networks - - perform copper geometry checks - - detect minimal width (high current) + + require subcircuit placement on same layer + + specify subcircuit proximity to each other on same layer + + specify subcircuit proximity to the edge + + specify subcircuit proximity to network or other copper feature on the same layer + + perform copper vs. copper checks + + minimal gap between an object or network and anything else + + minimal gap between high voltage and low voltage networks + + perform copper geometry checks + + detect minimal width (high current) - detect poly hairpin - number and length of stubs (hight freq) - "via cage": a given network needs to be surrounded by a set of gnd vias - network related copper checks - - matched length lines (e.g. fast dram bus) + + matched length lines (e.g. fast dram bus) - balanced transmission line (distance between the tracks) - match and/or limit number of vias - limit layer usage