DDR4-2133 datasheet(39/48 Pages) ETC2

39 / 48 page

Rev. 1.7 / Mar.2018

Standard Speed Bins

DDR4-1600 Speed Bins and Operations

Speed Bin

DDR4-1600K

Unit NOTE

CL-nRCD-nRP

11-11-11

Parameter

Symbol

min

max

Internal read command to first

data

tAA

13.7514

(13.50)5,12

18.00

Internal read command to first

data with read DBI enabled

tAA_DBI

tAA(min) + 2nCK

tAA(max) +2nCK

ACT to internal read or write

delay time

tRCD

13.75

(13.50)5,12

PRE command period

tRP

13.75

(13.50)5,12

ACT to PRE command period

tRAS

9 x tREFI

ACT to ACT or REF command

period

tRC

48.75

(48.50)5,12

Normal

Read DBI

CWL = 9

CL = 9

CL = 11

(Optional)

tCK(AVG)

1.5

1.6

1,2,3,4,

11,14

CL = 10

CL = 12

tCK(AVG)

Reserved

1,2,3,4,

CWL =

9,11

CL = 10

CL = 12

tCK(AVG)

Reserved

1,2,3,4

CL = 11

CL = 13

tCK(AVG)

1.25

<1.5

1,2,3,4

CL = 12

CL = 14

tCK(AVG)

1.25

<1.5

1,2,3

Supported CL Settings

(9),11,12

nCK

13,14

Supported CL Settings with read DBI

(11),13,14

nCK

Supported CWL Settings

9,11

nCK

DDR4-2133 Datasheet(PDF) 39 Page - List of Unclassifed Manufacturers

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