Hynix HMT351R7BFR4C-PBT8 Datasheet download pdf (Page 42)

Rev. 1.5 / Mar. 2012 42

Reference Load for AC Timing and Output Slew Rate

Figure below represents the effective reference load of 25 ohms used in defining the relevant AC timing

parameters of the device as well as output slew rate measurements.

It is not intended as a precise representation of any particular system environment or a depiction of the

actual load presented by a production tester. System designers should use IBIS or other simulation tools to

correlate the timing reference load to a system environment. Manufacturers correlate to their production

test conditions, generally one or more coaxial transmission lines terminated at the tester electronics.

Reference Load for AC Timing and Output Slew Rate

DUT

DQS

VDDQ

25 Ohm

VTT = VDDQ/2

CK, CK

1 2 ... 37 38 39 40 41 42 43 44 45 46 47 ... 74 75

DDR3 SDRAM Registered DIMM 1
Based on 2Gb B-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. 1.5 / Mar. 2012 14 14
Rev. 1.5 / Mar. 2012 15 15
Rev. 1.5 / Mar. 2012 16 16
Rev. 1.5 / Mar. 2012 17 17
Rev. 1.5 / Mar. 2012 18 18
Rev. 1.5 / Mar. 2012 19 19
Rev. 1.5 / Mar. 2012 20 20
Rev. 1.5 / Mar. 2012 22 22
Rev. 1.5 / Mar. 2012 23 23
Rev. 1.5 / Mar. 2012 24 24
Rev. 1.5 / Mar. 2012 25 25
Rev. 1.5 / Mar. 2012 27 27
Absolute Maximum Ratings 28
Rev. 1.5 / Mar. 2012 29 29
Rev. 1.5 / Mar. 2012 30 30
RefCA(DC) 30
Rev. 1.5 / Mar. 2012 31 31
RefDQ(DC) 31
Vref Tolerances 32
Rev. 1.5 / Mar. 2012 34 34
Rev. 1.5 / Mar. 2012 35 35
Rev. 1.5 / Mar. 2012 36 36
Rev. 1.5 / Mar. 2012 37 37
Measured 38
Single Ended Output Slew Rate 40
Differential Output Slew Rate 41
Rev. 1.5 / Mar. 2012 42 42
Rev. 1.5 / Mar. 2012 43 43
Rev. 1.5 / Mar. 2012 44 44
Rev. 1.5 / Mar. 2012 45 45
Standard Speed Bins 46
DDR3-1066 Speed Bins 47
DDR3-1333 Speed Bins 48
DDR3-1600 Speed Bins 49
Speed Bin Table Notes 50
Environmental Parameters 51
Rev. 1.5 / Mar. 2012 52 52
ILAC(max) 52
IHAC(max) 52
Rev. 1.5 / Mar. 2012 53 53
Rev. 1.5 / Mar. 2012 54 54
Rev. 1.5 / Mar. 2012 55 55
Rev. 1.5 / Mar. 2012 56 56
Rev. 1.5 / Mar. 2012 57 57
Rev. 1.5 / Mar. 2012 58 58
Rev. 1.5 / Mar. 2012 59 59
Rev. 1.5 / Mar. 2012 60 60
Rev. 1.5 / Mar. 2012 61 61
Rev. 1.5 / Mar. 2012 62 62
Rev. 1.5 / Mar. 2012 64 64
Rev. 1.5 / Mar. 2012 65 65
Rev. 1.5 / Mar. 2012 66 66
Module Dimensions 67
Units: millimeters 68
33.4 33.4 71

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Hynix HMT351R7BFR4C-PBT8 Datasheet Page 42

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