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Unbuffered SODIMM
datasheet
DDR3 SDRAM
Rev. 1.0
[ Table 14 ] DDR3-1066 Speed Bins
Speed
DDR3-1066
Units
NOTE
CL-nRCD-nRP
7 - 7 - 7
Parameter
Symbol
min
max
Internal read command to first data
tAA
13.125
20
ns
ACT to internal read or write delay time
tRCD
13.125
-
ns
PRE command period
tRP
13.125
-
ns
ACT to ACT or REF command period
tRC
50.625
-
ns
ACT to PRE command period
tRAS
37.5
9*tREFI
ns
CL = 5
CWL = 5
tCK(AVG)
3.0
3.3
ns
1,2,3,4,5,9,10
CWL = 6
tCK(AVG)
Reserved
ns
4
CL = 6
CWL = 5
tCK(AVG)
2.5
3.3
ns
1,2,3,5
CWL = 6
tCK(AVG)
Reserved
ns
1,2,3,4
CL = 7
CWL = 5
tCK(AVG)
Reserved
ns
4
CWL = 6
tCK(AVG)
1.875
<2.5
ns
1,2,3,4,8
CL = 8
CWL = 5
tCK(AVG)
Reserved
ns
4
CWL = 6
tCK(AVG)
1.875
<2.5
ns
1,2,3
Supported CL Settings
5, 6,7,8
nCK
Supported CWL Settings
5,6
nCK