At 01:09 PM 10/27/98 -0500, Chris Ball wrote: >Hi Doug, > >> Component Side >> >> trace >>S1 IC#1 --->---+ +-->-IC#2 >>Gnd ---------<---|----|--<----- >>Pwr ??? ---------|--<-|---- ??? >>S2 -------------+-->-+-------- >> >> Solder Side > >So what's a better way? Another ground layer between Pwr and S2? Please >elaborate when you have the time. Well, yes ---> if it's allowed <---. Then, sock the ground planes down to one another with plenty of connections. My personal preference to start *any* stack up with Gnd ---------------- Pwr ---------------- Gnd ---------------- as a cornerstone for the entire board layout. Then add extra signal and ground layers above and below this structure. *** This is obviously not a hard fast rule. I.e. what's the cost differential between a 4 and 5 layer board, or between a 6 and 7 layer board? <I ask rhetorically sort of chuckling ...> ################################################################ DesignerCouncil E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c ################################################################ To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body: To subscribe: SUBSCRIBE DesignerCouncil <your full name> To unsubscribe: SIGNOFF DesignerCouncil ################################################################ Please visit IPC's web site (http://www.ipc.org) "On-Line Services" section for additional information. For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312 ################################################################