M391B5273CH0 SAMSUNG [Samsung semiconductor], M391B5273CH0 Datasheet - Page 36

• Manufacturer Part Number: M391B5273CH0
• Description: 240pin Unbuffered DIMM based on 2Gb C-die
• Manufacturer: SAMSUNG [Samsung semiconductor]

Unbuffered DIMM
19. Physical Dimensions
19.1 256Mbx8 based 256Mx64/x72 Module (1 Rank) - M378/91B5773CH0
The used device is 256M x8 DDR3 SDRAM, FBGA.
DDR3 SDRAM Part NO : K4B2G0846C-HC∗∗
* NOTE : Tolerances on all dimensions ±0.15 unless otherwise specified.
2.50
2.50
(2)
5.00
54.675
Detail A
47.00
1.50±0.10
A
133.35 ± 0.15
B
(for x72)
(for x64)
ECC
3.80
N/A
128.95
datasheet
SPD
71.00
- 36 -
Detail B
1.00
0.80 ± 0.05
0.2 ± 0.15
1.270 ± 0.10
Max 4.0
2x 2.10 ± 0.15
DDR3 SDRAM
Units : Millimeters
Rev. 1.21