Samsung DDR3, Руководство пользователя

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October 2009
General Information DDR3 SDRAM
78Ball DDP for 1Gb D-die (x4)
78Ball DDP for 1Gb E-die (x4/x8)
Bottom
Top
Bottom
Top
A
B
C
D
E
F
G
H
M
N
0.
80 x
12 = 9.6
0
0.80 x 8 = 6.40
4.00 0.80
4.8
0
82 -
∅
0.45 Solder ball
0.2 A B M
(Datum B)
(Datum A)
8 7 6 5 4 3 2 1 9
1.60
#A1 INDEX MARK
B
A
11
.00
±
0.
10
J
K
L 0.
80
0.
80
(Post Reflow
∅
0.50
±
0.05)
0.
10MAX
1. 4 0
±
0.10
#A1 10.50
±
0.10
11
.0
0
±
0.
10
0.35
±
0.05
A
B
C
D
E
F
G
H
M
N
9.00
±
0.10
0.
80 x
12
=
9.
60
0.80 x 8 = 6.40
3.20 0.80
4.
80
78 -
∅
0.45 Solder ball
0.2 A B M
(Datum B)
(Datum A)
8 7 6 5 4 3 2 1 9
1.60
#A1 INDEX MARK
B
A
11
.50
±
0.1
0
J
K
L 0.
80
0.
80
(Post Reflow
∅
0.50
±
0.05)
0.
10MAX
1.40
±
0.10
#A1
9.00
±
0.10
11
.5
0
±
0.
10
0.35
±
0.05
10.50
±
0.10