Rev. 1.01
K4B2G0446D
K4B2G0846D
datasheet
DDR3L SDRAM
[ Table 47 ] DDR3-1333 Speed Bins
Speed
DDR3-1333
CL-nRCD-nRP
9 -9 - 9
Units
NOTE
Parameter
Symbol
min
max
13.5
Internal read command to first data
tAA
20
ns
ns
ns
ns
(13.125)8
13.5
ACT to internal read or write delay time
PRE command period
tRCD
tRP
-
-
-
(13.125)8
13.5
(13.125)8
49.5
ACT to ACT or REF command period
ACT to PRE command period
tRC
(49.125)8
tRAS
36
9*tREFI
3.3
ns
ns
CWL = 5
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
tCK(AVG)
3.0
1,2,3,4,6,9,10
CL = 5
CWL = 6,7
CWL = 5
CWL = 6
CWL = 7
CWL = 5
CWL = 6
CWL = 7
CWL = 5
CWL = 6
CWL = 7
CWL = 5,6
CWL = 7
CWL = 5,6
CWL = 7
Reserved
ns
4
1,2,3,6
1,2,3,4,6
4
2.5
3.3
ns
CL = 6
Reserved
Reserved
Reserved
ns
ns
ns
4
CL = 7
CL = 8
1.875
1.875
1.5
<2.5
<2.5
ns
1,2,3,4,6
1,2,3,4
4
Reserved
Reserved
ns
ns
ns
1,2,3,6
1,2,3,4
4
Reserved
Reserved
ns
ns
CL = 9
<1.875
ns
1,2,3,4,8
4
Reserved
Reserved
5,6,7,8,9
5,6,7
ns
CL = 10
ns
1,2,3
Supported CL Settings
Supported CWL Settings
nCK
nCK
- 45 -
SAMSUNG [ SAMSUNG ]
