PD488588 Datasheet, PDF (76/79 Pages) Elpida Memory – 288M bits Direct Rambus DRAM

42. Package Drawing
80-ball FBGA (µ BGA) (17.16 × 10.2)
E
INDEX MARK
w SB
D
A
y1 S _A1
w SA
S
yS
b φx M S A B
SE
ZE2
B
eE
ZE1
ZD
U
T
S
R
P
eD
N
M
L
A
K
J
H
G
F
SD
E
D
C
B
A
1 3 4 7 8 10
µPD488588
ITEM
D
E
w
A
A1
eD
eE
b
x
y
y1
SD
SE
ZD
ZE1
ZE2
MILLIMETERS
17.16±0.10
10.2±0.1
0.2
0.96±0.10
0.40±0.05
0.8
0.8
0.50±0.05
0.08
0.1
0.2
0.4
1.2
1.78
1.1
1.9
ECA-TS2-0051-02
76
Data Sheet E0039N30 (Ver. 3.0)