Apr 20, 2011 #1 H hithesh123 Full Member level 6 Joined Nov 21, 2009 Messages 324 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,298 Location lax Activity points 3,548 I am lookign for some materials on DDR2 signalling (SSTL_18). I read the Jedec specs. They just give the signalling levels. I need a more basic intro sstl 18 signalling. Why Vref is used and the Vac and Vdc specs etc.
I am lookign for some materials on DDR2 signalling (SSTL_18). I read the Jedec specs. They just give the signalling levels. I need a more basic intro sstl 18 signalling. Why Vref is used and the Vac and Vdc specs etc.
Apr 22, 2011 #2 R rhaynes Member level 5 Joined Feb 8, 2011 Messages 84 Helped 37 Reputation 74 Reaction score 37 Trophy points 1,298 Location Oceanside, CA, USA Activity points 1,996 Try the Micron data sheets and technical notes: http://www.micron.com/support/technotes.html?domain=English&kind=Category&type=Technical Note&path=products/dram/ddr2_sdram And there is some good information in this Hynix app note: **broken link removed** Ray
Try the Micron data sheets and technical notes: http://www.micron.com/support/technotes.html?domain=English&kind=Category&type=Technical Note&path=products/dram/ddr2_sdram And there is some good information in this Hynix app note: **broken link removed** Ray