K4B1G0446E Datasheet, PDF (14/23 Pages) Samsung semiconductor – DDR3 SDRAM Memory

Product Guide
May. 2010
DDR3 SDRAM Memory
78Ball DDP for 1Gb E-die (x4/x8)
(Datum A)
9.00 ± 0.10
0.80 x 8 = 6.40
0.80 1.60
3.20
987654321
A
B
C
(Datum B)
D
E
F
G
H
J
K
L
M
N
78 - ∅0.45 Solder ball
(Post Reflow ∅0.50 ± 0.05)
0.2 M A B
Bottom
A
#A1 INDEX MARK
#A1
B
9.00 ± 0.10
Top
0.35 ± 0.05
1.40 ± 0.10
78Ball DDP for 2Gb B-die (x4/x8)
(Datum A)
10.00 ± 0.10
0.80 x 8 = 6.40
0.80 1.60
3.20
987654321
A
#A1 INDEX MARK
#A1
B
A
B
C
(Datum B)
D
E
F
G
H
J
K
L
M
N
78 - ∅0.45 Solder ball
(Post Reflow ∅0.50 ± 0.05)
0.2 M A B
Bottom
10.00 ± 0.10
Top
0.35 ± 0.05
1.40 ± 0.10
- 14 -