Key Parameters
CAS
Latency
(tCK)
tCK
(ns)
tRCD
(ns)
tRP
(ns)
tRAS
(ns)
tRC
(ns)
MT/s
Grade
CL-tRCD-tRP
13.75
13.75
48.75
(48.50)*
DDR4-1600
DDR4-1866
DDR4-2133
DDR4-2400
DDR4-2666
-PB
-RD
-TF
-UH
-VK
1.25
1.071
0.937
0.833
0.75
11
13
15
17
19
35
34
33
32
32
11-11-11
13-13-13
15-15-15
17-17-17
19-19-19
(13.50)* (13.50)*
13.92 13.92
(13.50)* (13.50)*
14.06 14.06
(13.50)* (13.50)*
14.16 14.16
(13.75)* (13.75)*
14.25 14.25
(13.75)* (13.75)*
14.32 14.32
(13.75)* (13.75)*
13.75 13.75
47.92
(47.50)*
47.06
(46.50)*
46.16
(45.75)*
46.25
(45.75)*
46.32
(45.75)*
DDR4-2933
DDR4-3200
-WM
-XN
0.682
0.625
21
22
32
32
21-21-21
22-22-22
47.0
*SK hynix DRAM devices support optional downbinning to CL21, CL19, CL17, CL15, CL13 and CL11. SPD setting is pro-
grammed to match.
Address Table
8GB(1Rx8)
16GB(2Rx8)
16GB(1Rx4)
32GB(2Rx4)
# of Bank Groups
Bank Address BG Address
Bank Address in a BG
4
4
4
4
BG0~BG1
BA0~BA1
A0~A15
A0~ A9
1KB
BG0~BG1
BA0~BA1
A0~A15
A0~ A9
1KB
BG0~BG1
BA0~BA1
A0~A16
A0~ A9
512MB
BG0~BG1
BA0~BA1
A0~A16
A0~ A9
512MB
Row Address
Column Address
Page size
Rev. 1.2 / Jul.2019
4