Specification Sheet

10
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DDR4-2133 Speed Bins and Operations
Speed Bin
DDR4-2133P
Unit
NOTE
CL-nRCDnRP
15-1515
Parameter
Symbol
min
max
Internal read command to first data
tAA
14.06
13
(13.50)
5,11
18.00
ns
11
Internal read command to first data
with read DBI enabled
tAA_DBI
tAA(min)+3nCK
tAA(max)+3nCK
ns
11
ACT to internal read or write delay
time
tRCD
14.06
(13.50)
5,11
-
ns
11
PRE command period
tRP
14.06
(13.50)
5,11
-
ns
11
ACT to PRE command period
tRAS
33
9 x tREFI
ns
11
ACT to ACT or REF command period
tRC
47.06
(46.50)
5,11
-
ns
11
Normal
Read DBI
CWL = 9
CL = 9
CL = 11
tCK(AVG)
1.5
1.6
ns
1,2,3,4,10,
13
CL = 10
CL = 12
tCK(AVG)
Reserved
ns
1,2,3,10
CWL = 9,11
CL = 11
CL = 13
tCK(AVG)
1.25
<1.5
ns
1,2,3,4,7
CL = 12
CL = 14
tCK(AVG)
1.25
<1.5
ns
1,2,3,7
CWL = 10,12
CL = 13
CL = 15
tCK(AVG)
1.071
<1.25
ns
1,2,3,4,7
CL = 14
CL = 16
tCK(AVG)
1.071
<1.25
ns
1,2,3,7
CWL = 11,14
CL = 14
CL = 17
tCK(AVG)
Reserved
ns
1,2,3,4
CL = 15
CL = 18
tCK(AVG)
0.937
<1.071
ns
1,2,3,4
CL = 16
CL = 19
tCK(AVG)
0.937
<1.071
ns
1,2,3
Supported CL Settings
9,11,12,13,14,15,16
nCK
12,13
Supported CL Settings with read DBI
11,13,14,15,16,18,19
nCK
Supported CWL Settings
9,10,11,12,14
nCK