Hi All, Kindly let me know the different type of routing topologies used in PCB. For Instance, advantage and disadvantage over star and daisy chain routing and how to choose. In DDR3, we use fly-by-topology routing. How it differ from DDR2 routing. ThanksKarthik ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.net List archives are viewable at: //www.freelists.org/archives/si-list Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu