Have you looked at the book by Charles Pfeil from Mentor Graphics? I have an earlier version it looks pretty good. You can buy it on Amazon for $23.35 (http://www.amazon.com/BGA-Breakouts-routing-Effective-Methods/dp/1438255233/ref=sr_1_2?ie=UTF8&s=books&qid=1222708001&sr=8-2 ) ________________________________ From: DesignerCouncil [mailto:[log in to unmask]] On Behalf Of Charles Gervasi Sent: Wednesday, December 03, 2008 10:56 AM To: [log in to unmask] Subject: [DC] BGA footprint and escaping guildelines Does anyone know a good reference book or standard that provides guidelines for footprint and escaping of fine pitch BGAs? ------------------------------------------------------------------------------- DesignerCouncil Mail List provided as a service by IPC using LISTSERV 1.8e To unsubscribe, send a message to [log in to unmask] with following text in the BODY (NOT the subject field): SIGNOFF DesignerCouncil To temporarily stop/(start) delivery of DesignerCouncil for vacation breaks send: SET DesignerCouncil NOMAIL/(MAIL) Search previous postings at: http://listserv.ipc.org/archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext. 2815 ------------------------------------------------------------------------------- --------------------------------------------------------------------------------- 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 temporarily stop/(restart) delivery of DesignerCouncil send: SET DesignerCouncil NOMAIL/(MAIL) Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail Archives Please visit IPC web site http://www.ipc.org/contentpage.asp?Pageid=4.3.16 for additional information, or contact Keach Sasamori at [log in to unmask] or 847-615-7100 ext.2815 ---------------------------------------------------------------------------------