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Ddr2 address bus routing

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ddr2 dimm routing

hi

we normally check these rules in the JEDEC 21C DIMM design standard, which is freely available but hard to find on www.jedec.org Actually it is not one document but lots of them for all DDR1/2/3 all DIMM types. normally they are called sec 4.20.x. Then you have to combine it with general controller to DIMM rules from your processor's hardware design guide.
check:

https://www.jedec.org/DOWNLOAD/pub21/HotDDR/Default.cfm

https://www.jedec.org/download/DesignFiles/default.cfm
 

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