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datasheet DDR3L SDRAM
Rev. 1.0
Unbuffered DIMM
18. Physical Dimensions
18.1 256Mbx8 based 256Mx72 Module (1 Rank) - M391B5773DH0
133.35 ± 0.15
Max 4.0
54.675
Units : Millimeters
9.50
128.95
(2)
(4X)3.00 ± 0.1
30.00 ± 0.15
2.30
17.30
The used device is 256M x8 DDR3L SDRAM, FBGA.
DDR3 SDRAM Part NO : K4B2G0846D-HY∗∗
* NOTE : Tolerances on all dimensions ±0.15 unless otherwise specified.
A
B
47.00
71.00
2.50
1.00
0.2 ± 0.15
2.50 ± 0.20
Detail B
5.00
Detail A
1.50±0.10
0.80 ± 0.05
3.80
2x 2.10 ± 0.15
2.50
SPD
1.270 ± 0.10