Dear SI experts, For DDR SDRAM using SSTL_2 signaling, is there any particular reason why the parallel termination resistors must be tied to Vtt=Vdd/2? Thank you. -- Regards, Chai _________________________________________________________________ Join the world?s largest e-mail service with MSN Hotmail. http://www.hotmail.com ------------------------------------------------------------------ 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 archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu