Datasheet

Rev. 1.0/Sep. 2012 32
DDR3-1600 Speed Bins
For specific Notes See "Speed Bin Table Notes" on page 33.
Speed Bin DDR3-1600K
Unit Note
CL - nRCD - nRP 11-11-11
Parameter Symbol min max
Internal read
command to first data
t
AA
13.75
(13.125)
5,9
20 ns
ACT to internal read or
write delay time
t
RCD
13.75
(13.125)
5,9
—ns
PRE command period
t
RP
13.75
(13.125)
5,9
—ns
ACT to ACT or REF
command period
t
RC
48.75
(48.125)
5,9
—ns
ACT to PRE command
period
t
RAS
35 9 * tREFI ns
CL = 5
CWL = 5
t
CK(AVG)
3.0 3.3 ns
1, 2, 3, 4,
8, 10
CWL = 6, 7
t
CK(AVG)
Reserved ns 4
CL = 6
CWL = 5
t
CK(AVG)
2.5 3.3 ns 1, 2, 3, 8
CWL = 6
t
CK(AVG)
Reserved ns 1, 2, 3, 4, 8
CWL = 7
t
CK(AVG)
Reserved ns 4
CL = 7
CWL = 5
t
CK(AVG)
Reserved ns 4
CWL = 6
t
CK(AVG)
1.875 < 2.5
ns 1, 2, 3, 4, 8
(Optional)
5,9
CWL = 7
t
CK(AVG)
Reserved ns 1, 2, 3, 4, 8
CWL = 8
t
CK(AVG)
Reserved
ns 4
CL = 8
CWL = 5
t
CK(AVG)
Reserved ns 4
CWL = 6
t
CK(AVG)
1.875 < 2.5 ns 1, 2, 3, 8
CWL = 7
t
CK(AVG)
Reserved ns 1, 2, 3, 4, 8
CWL = 8
t
CK(AVG)
Reserved
ns 1, 2, 3, 4
CL = 9
CWL = 5, 6
t
CK(AVG)
Reserved ns 4
CWL = 7
t
CK(AVG)
1.5 <1.875
ns 1, 2, 3, 4, 8
(Optional)
5,9
CWL = 8
t
CK(AVG)
Reserved
ns 1, 2, 3, 4
CL = 10
CWL = 5, 6
t
CK(AVG)
Reserved ns 4
CWL = 7
t
CK(AVG)
1.5 <1.875 ns 1, 2, 3, 8
CWL = 8
t
CK(AVG)
Reserved
ns 1, 2, 3, 4
CL = 11
CWL = 5, 6,7
t
CK(AVG)
Reserved ns 4
CWL = 8
t
CK(AVG)
1.25 <1.5 ns 1, 2, 3
Supported CL Settings 5, 6, (7), 8, (9), 10, 11
n
CK
Supported CWL Settings 5, 6, 7, 8
n
CK