Nikhil, The book "High-Speed Digital System Design: A Handbook of Interconnect Theory and Design Practices" by Stephen Hall, Garrett Hall, and James McCall, has a very good explanation of how to calculate setup and hold margin for source synchronous designs. Regards, Tim Nash __________________________________ Timothy J. Nash, P.E. Honeywell, Inc. Defense & Space Electronic Systems 13350 U.S. Hwy 19 N M/S 105-4 Clearwater, FL 33764-7290 Office : 727-539-2437 Fax : 727-539-3933 Email : tim.j.nash@xxxxxxxxxxxxx -----Original Message----- From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On Behalf Of nrpatel@xxxxxxxxxxx Sent: Monday, August 14, 2006 3:14 PM To: si-list@xxxxxxxxxxxxx Subject: [SI-LIST] Setup-Hold Equations for Source Synchronous Design Hello all, Can someone point me out to a good reference that explains the setup and hold margin calculations for a source synchronous design like DDR? Did not have much luck googling. Thanks, Nikhil ------------------------------------------------------------------ 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 FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org 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 -- Binary/unsupported file stripped by Ecartis -- -- Type: application/x-pkcs7-signature -- File: smime.p7s ------------------------------------------------------------------ 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 FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org 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