DDR 533 is sufficiently fast that you can easily have SI problems if you do not design with reasonable care and validate Steve Shahbaz Assad wrote: > > > Hi Experts, > > Please give me inline response? > > 1. Data, DQS, address, and clk are high speed in DDR. > Is it necessary to do SI for WE/RE#, CE#, ALE and command latch enable? > > 2. If the DDR2 is 266MHz, what will be the frequency of command/control > signals that are mentioned above? Or tell me the frequency for which I > should optimize these signals? > > > > Thanks, > Shahbaz Assad > > > > > > > > > > _________________________________________________________________ > Hotmail: Free, trusted and rich email service. > https://signup.live.com/signup.aspx?id`969 > ------------------------------------------------------------------ > 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 > > > > -- Steve Weir IPBLOX, LLC 150 N. Center St. #211 Reno, NV 89501 www.ipblox.com (775) 299-4236 Business (866) 675-4630 Toll-free (707) 780-1951 Fax ------------------------------------------------------------------ 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