M312L2920BT Datasheet, PDF (23/23 Pages) Samsung semiconductor – DDR SDRAM Registered Module

512MB, 1GB, 2GB TSOP Registered DIMM
Physical Dimensions: st.256Mx72 (M312L5628BT0)
DDR SDRAM
0.0787
R (2.00)
5.25 ± 0.005
(133.350 ± 0.13)
5.171
(131.350)
5.077
(128.950)
Reg.
Units : Inches (Millimeters)
0.118
(3.00)
0.78
(19.80)
A
B
A
B
2.500
0.10 M C B A
0.268 Max
(6.81 Max)
PLL
0.050 ± 0.0039
(1.270 ± 0.10)
0.26
(6.62)
0.250
(6.350 )
2.175
0.071
(1.80 )
Detail A
0.157
(4.00 )
0.1496
(3.80)
0.039 ± 0.002
(1.000 ± 0.050)
0.0078 ± 0.006
(0.20 ± 0.15)
0.050
(1.270)
Detail B
0.118
(3.00)
0.0787
R (2.00)
0.1575
(4.00)
0.10 M C A M B
Tolerances : ± 0.005(.13) unless otherwise specified
The used device is st.256Mx4 SDRAM, 66TSOPII
SDRAM Part NO : K4H1G0638B
Revison 1.0 December, 2003