Figure 12. IIIustration of nominal slew rate for tDH (single-ended DQS)
K4T51163QI
datasheet
DDR2 SDRAM
Rev. 1.0
K4T51083QI
K4T51043QI
V
SS
Hold Slew Rate
Hold Slew Rate
Falling Signal
Rising Signal
Δ
TR
Δ
TF
V
REF
(DC) - V
IL
(DC)max
Δ
TR
=
V
IH
(DC)min - V
REF
(DC)
Δ
TF
=
V
DDQ
V
IH
(AC)min
V
IH
(DC)min
V
REF
(DC)
V
IL
(DC)max
V
IL
(AC)max
nominal
slew rate
nominal
slew rate
dc to V
REF
region
dc to V
REF
region
tDS
tDH
DQS
V
DDQ
V
IH
(AC)min
V
IH
(DC)min
V
REF
(DC)
V
IL
(DC)max
V
IL
(AC)max
V
SS
tDH
tDS
Note1
NOTE
: DQS signal must be monotonic between V
IL
(DC)max and V
IH
(DC)min.
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