I've always found it best to keep clock signals as short as possible and bury them between 2 gnd layers (or between power and gnd layers). Kitty -----Original Message----- From: Pcb Man [mailto:[log in to unmask]] Sent: Tuesday, August 27, 2002 7:10 AM To: [log in to unmask] Subject: [DC] Clock Signal routing Hi Everyone, I would like to know whether DAISY chain type routing is ok for routing CLOCK signals. Will this be of any help with respect to the signal integrity point of view? As far as I know about DAISY chaining, it unnecessarily increases the length of any signal to which this technique is applied for routing. Which is the best possible way of shielding the clock signals ( the closk signal on my board comes out from a BGA) Any suggestions/answers ? _____ Do You Yahoo!? ------------------------------------------------------------------------ --------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ------------------------------------------------------------------------ --------- Yahoo! <http://rd.yahoo.com/finance/mailsig/new/*http://finance.yahoo.com> Finance - Get real-time stock quotes --------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a free service by IPC using LISTSERV 1.8d To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil. To set a vacation stop for delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site http://www.ipc.org/html/forum.htm for additional information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315 ---------------------------------------------------------------------------------