Index: trunk/doc-rnd/ddrc/requirements.txt =================================================================== --- trunk/doc-rnd/ddrc/requirements.txt (revision 2807) +++ trunk/doc-rnd/ddrc/requirements.txt (revision 2808) @@ -1,15 +1,15 @@ The Dynamic DRC should be able to solve at least these tasks: - check start grounding - - require element placement: - - specific elements to be close to each other - - element close to the edge - - element close to a network or other copper feature + - require element placement on same layer or multiple layers: + - specify element proximity to each other + - specify element proximity to the edge + - specify element proximity to network or other copper feature - 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 - - minimal width (high current) - - poly hairpin + - detect minimal width (high current) + - detect poly hairpin - number and length of stubs (hight freq) - network related copper checks - matched length lines (e.g. fast dram bus)