DESIGNERCOUNCIL Archives

February 2001

DesignerCouncil@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
"Brooks,Bill" <[log in to unmask]>
Reply To:
DesignerCouncil E-Mail Forum.
Date:
Tue, 27 Feb 2001 13:02:21 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (67 lines)
Hi Paul,
I was really surprised by the pitch and number of pins... I have done a few
BGA's but none like that... I have a general link for breakout design you
can take a look at but you probably are more informed than that can help.
http://www.mot-sps.com/solutions/wired/pbga/357routing.html

My suggestion would be to look into via in pad blind laser vias for some of
your signals. You will have more area for breakout that way. Since I don't
know the specific chip layout that's about all I can tell you. I always hit
up the manufacturer for help when I run across these things because you KNOW
they have to test the thing and demo it... someone has laid it out before!

- Good luck, let me know if I can help any further...


Bill Brooks
PCB Design Engineer
DATRON WORLD COMMUNICATIONS INC.
3030 Enterprise Court
Vista, CA 92083
Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
mailto:[log in to unmask]
IPC Designers Council, San Diego Chapter
http://www.ipc.org/SanDiego/
http://home.fda.net/bbrooks/pca/pca.htm



-----Original Message-----
From: Paul Brionez [mailto:[log in to unmask]]
Sent: Tuesday, February 27, 2001 7:41 AM
To: [log in to unmask]
Subject: [DC] Breakout


Hello Everyone
Just wanted to know if anyone has had to breakout a 1156 pin BGA with a
pin pitch of .1mm on a 20_Layer Board.

Thanks in Advance

----------------------------------------------------------------------------
-----
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
----------------------------------------------------------------------------
-----

---------------------------------------------------------------------------------
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
---------------------------------------------------------------------------------

ATOM RSS1 RSS2