NT5CB128M8GP-EKB datasheet(118/160 Pages) NANYA

118 / 160 page

Version 2.2

118

Nanya Technology Cooperation ©

04/2019

NTC Proprietary

Level: Property

DDR3(L) 1Gb SDRAM

NT5CB(C)128M8GN / NT5CB(C)64M16GP

ODT Timing Definitions

Definitions for tAON, tAONPD, tAOF, tAOFPD, and tADC are provided in the following table and subsequent figures.

Symbol

Begin Point Definition

End Point Definition

tAON

Rising edge of CK -

 defined by the end point of ODTLon

Extrapolated point at VSSQ

tAONPD

Rising edge of CK -

 with ODT being first registered high

Extrapolated point at VSSQ

tAOF

Rising edge of CK -

 defined by the end point of ODTLoff

End point: Extrapolated point at VRTT_Nom

tAOFPD

Rising edge of CK -

 with ODT being first registered low

End point: Extrapolated point at VRTT_Nom

tADC

Rising edge of CK -

 defined by the end point of ODTLcnw,

ODTLcwn4, or ODTLcwn8

End point: Extrapolated point at VRTT_Wr and

VRTT_Nom respectively

Reference Settings for ODT Timing Measurements

Parameter

RTT_Nom

RTT_Wr

DDR3

DDR3L

VSW1[V]

VSW2[V]

VSW1[V]

VSW2[V]

tAON

RZQ/4

0.05

0.10

0.05

0.10

RZQ/12

0.10

0.20

0.10

0.20

tAONPD

RZQ/4

0.05

0.10

0.05

0.10

RZQ/12

0.10

0.20

0.10

0.20

tAOF

RZQ/4

0.05

0.10

0.05

0.10

RZQ/12

0.10

0.20

0.10

0.20

tAOFPD

RZQ/4

0.05

0.10

0.05

0.10

RZQ/12

0.10

0.20

0.10

0.20

tADC

RZQ/12

RZQ/2

0.20

0.30

0.20

0.25

Definition of tAON

tAON

Tsw2

Tsw1

Vsw1

Vsw2

VSSQ

VTT

DQ, DM

DQS, DQS#

TDQS, TDQS#

End point: Extrapolated point at VSSQ

CK#

Begin point: Rising edge of CK

– CK#

Defined by the end point of ODTLon

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