pdf

256-Ball Chip Scale Package Ball Grid Array [CSP_BGA]
(BC-256-1)
Dimensions shown in millimeters
12.10
12.00 SQ
11.90
16
15
14
13
12
11
10
9
8
A1 CORNER
INDEX AREA
7
6
5
4
3
9.75
BSC SQ
*1.70
1.51
1.36
1
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
BALL A1
INDICATOR
TOP VIEW
2
0.65
BSC
BOTTOM VIEW
DETAIL A
DETAIL A
*1.31
1.21
1.10
*0.30 NOM
0.25 MIN
SEATING
PLANE
0.45
COPLANARITY
0.40
0.10 MAX
0.35
BALL DIAMETER
*COMPLIANT TO JEDEC STANDARDS MO-225 WITH EXCEPTION
TO DIMENSIONS INDICATED BY AN ASTERISK.
012006-0
a