Datasheet

DTM68104B
8GB - 288-Pin 2Rx8 Unbuffered Non-ECC DDR4 DIMM
Document 06387, Revision A, 08-Sep-14, Dataram Corporation © 2014 Page 2
SpeedBinTable
SpeedBin DDR4‐2133P DDR4‐2133R
Unit
NOTE
CL‐nRCD‐nRP 15‐15‐15 16‐16‐16
Parameter Symbol min max min max
 
Internalreadcommandtofirstdata tAA

14.06
14

(13.50)
5,12


18.00 15.00 18.00 ns

Internalreadcommandtofirstdata
withreadDBIenabled


tAA_DBI TBD TBD TBD TBD ns

ACTtointernalreadorwritedelay
time


tRCD

14.06
(13.50)
5,12


‐ 15.00 ‐ ns

PREcommandperiod tRP

14.06
(13.50)
5,12



‐ 15.00 ‐ ns

ACTtoPREcommandperiod tRAS 33 9xtREFI 33 9xtREFI ns

ACTtoACTorREFcommandperiod tRC

47.06
(46.50)
5,12


‐ 48.00 ‐ ns


Normal ReadDBI
CWL=9

CL=9

CL=11
(Optional)
5


tCK(AVG) 1.5

1.6 Reserved ns

1,2,3,4,11,14
tCK(AVG)

(Optional)
5,12


CL=10 CL=12
tCK(AVG) Reserved 1.5 1.6
ns
 1,2,3,11
CWL=
9,11

CL=11
CL=13
tCK(AVG) 1.25 <1.5
Reserved ns 1,2,3,4,7
tCK(AVG) (Optional)5,12


CL=12 CL=14
tCK(AVG) 1.25 <1.5 1.25 <1.5
ns
 1,2,3,7
CWL=
10,12

CL=13 CL=15
tCK(AVG) 1.071 <1.25
Reserved ns 1,2,3,4,7
tCK(AVG) (Optional)
5,12
CL=14 CL=16
tCK(AVG) 1.071 <1.25 1.071 <1.25 ns

1,2,3,7
CWL=
11,14

CL=14 CL=TBD
tCK(AVG) Reserved Reserved ns

1,2,3,4
CL=15 CL=TBD
tCK(AVG) 0.938 <1.071 Reserved ns

1,2,3,4
CL=16 CL=TBD
tCK(AVG) 0.938 <1.071 0.938 <1.071 ns

1,2,3
SupportedCLSettings (9),(11),12,(13),14,15,1610,12,14,16 nCK13,14
SupportedCLSettingswithreadDBI TBD TBD nCK

SupportedCWLSettings 9,10,11,12,14 9,10,11,12,14 nCK








