[SI-LIST] DRAM Address lines : Daisy Chain or "T"?

Hi SI gurus,
 
I am presently routing a board using 2 DDR RAMS. I would like to know
how do we route the common lines (Eg Address lines) ?
 
Do we use Daisy Chain? 
 
Or a "T" where the driver is at the bottom and splits to each ot the
DRAMS? 
 
Of the 2 methods, what are the pros and cons?
 
Thanks in advance!
 
Best regards
 
Erwin Seow
  
 
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