WEDPDC3225-B
25
X
32MM Daisy-Chain PBGA
FEATURES REPRESENTATIVE OF
WEDC PBGAS:
n
25 x 32mm, 25 x 25mm, 25 x 21mm, 21 x 21mm
n
Package material and assembly process
n
Ball pads diameter and ball attach process
n
Substrate dimensions, materal, process and thickness
(no vias)
n
Die dimensions and thickness (dummy die, no
wirebonds) 3 - State Outputs
DESCRIPTION
This is a mechaincal daisy-chain test vehicle designed to
be representative of the 25 x 32mm, 25 x 25mm, 25 x 21mm,
and 21 x 21mm packages. Use is for second level intercon-
nection assembly test such tempature cycling, and conti-
nuity verification of the PBGA to the test board when it is
overflowed.
P
ACKAGE
D
IMENSION
:
219 P
L ASTIC
B
ALL
G
RID
A
RRAY
(PBGA)
all linear dimensions are in millimeters and parenthetically in inches
February 2002 Rev. 1
1
White Electronic Designs Corporation 鈥?(602) 437-1520 鈥?www.whiteedc.com