Figure 13. IIIustration of tangent line for tDH (differential DQS, DQS)
K4T51163QI
datasheet
DDR2 SDRAM
Rev. 1.0
K4T51083QI
K4T51043QI
Hold Slew Rate
Δ
TF
Δ
TR
tangent line [ V
IH
(DC)min - V
REF
(DC) ]
Δ
TF
=
tangent
tangent
dc to V
REF
region
dc to V
REF
region
line
line
nominal
line
nominal
line
Falling Signal
Hold Slew Rate tangent line [ V
REF
(DC) - V
IL
(DC)max ]
Δ
TR
=
Rising Signal
tDS
tDH
tDS
tDH
DQS
DQS
V
SS
V
DDQ
V
IH
(AC)min
V
IH
(DC)min
V
REF
(DC)
V
IL
(DC)max
V
IL
(AC)max
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Summary of Contents for STV-24LEDGR7
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