Hynix HMT31GR7CFR4A-PBT8 Datasheet download pdf (Page 46)

Rev. 1.1 / May. 2013 46

Refresh parameters by device density

Notes:

1. Users should refer to the DRAM supplier data sheet and/or the DIMM SPD to determine if DDR3 SDRAM devices

support the following options or requirements referred to in this materia.

Refresh parameters by device density

Parameter RTT_Nom Setting 512Mb 1Gb 2Gb 4Gb 8Gb Units Notes

REF command ACT or

REF command time

tRFC 90 110 160 260 350 ns

Average periodic

refresh interval

tREFI

C  T

CASE

 85 C 7.8 7.8 7.8 7.8 7.8 us

C  T

CASE

 95 C 3.9 3.9 3.9 3.9 3.9 us 1

1 2 ... 41 42 43 44 45 46 47 48 49 50 51 ... 75 76

DDR3L SDRAM Registered DIMM 1
Based on 2Gb C-die 1
Revision History 2
Description 3
Features 3
Ordering Information 3
Key Parameters 4
Speed Grade 4
Address Table 4
Pin Descriptions 5
Symbol Type Polarity Function 6
Pin Assignments 8
Capacitance Values 10
On DIMM Thermal Sensor 11
Functional Block Diagram 12
Rev. 1.1 / May. 2013 14 14
Rev. 1.1 / May. 2013 15 15
Rev. 1.1 / May. 2013 16 16
Rev. 1.1 / May. 2013 17 17
Rev. 1.1 / May. 2013 18 18
Rev. 1.1 / May. 2013 19 19
Rev. 1.1 / May. 2013 20 20
Rev. 1.1 / May. 2013 22 22
Rev. 1.1 / May. 2013 23 23
Rev. 1.1 / May. 2013 24 24
Rev. 1.1 / May. 2013 25 25
Rev. 1.1 / May. 2013 27 27
Absolute Maximum Ratings 28
Rev. 1.1 / May. 2013 29 29
Rev. 1.1 / May. 2013 30 30
Rev. 1.1 / May. 2013 31 31
Rev. 1.1 / May. 2013 32 32
Vref Tolerances 33
Rev. 1.1 / May. 2013 35 35
Rev. 1.1 / May. 2013 36 36
Rev. 1.1 / May. 2013 37 37
Rev. 1.1 / May. 2013 38 38
Measured 39
Rev. 1.1 / May. 2013 40 40
Single Ended Output Slew Rate 41
Differential Output Slew Rate 42
Rev. 1.1 / May. 2013 43 43
Rev. 1.1 / May. 2013 44 44
(CK, CK, DQ, DQS, DQS, DM) 45
Rev. 1.1 / May. 2013 46 46
Standard Speed Bins 47
DDR3L-1066 Speed Bins 48
DDR3L-1333 Speed Bins 49
DDR3L-1600 Speed Bins 50
Speed Bin Table Notes 51
Environmental Parameters 52
Rev. 1.1 / May. 2013 53 53
ILAC(max) 53
IHAC(max) 53
Rev. 1.1 / May. 2013 54 54
Rev. 1.1 / May. 2013 55 55
Symbol Description 56
Rev. 1.1 / May. 2013 59 59
Rev. 1.1 / May. 2013 60 60
Rev. 1.1 / May. 2013 61 61
Rev. 1.1 / May. 2013 62 62
Rev. 1.1 / May. 2013 63 63
Rev. 1.1 / May. 2013 65 65
Rev. 1.1 / May. 2013 66 66
Rev. 1.1 / May. 2013 67 67
Module Dimensions 68
Units: millimeters 69
33.4 33.4 72

Comments to this Manuals

No comments

Hynix HMT31GR7CFR4A-PBT8 Datasheet Page 46

Comments to this Manuals

Related products and manuals for Memory modules Hynix HMT31GR7CFR4A-PBT8