W631GG6KB
Note: Clock and Strobe are drawn
on a different time scale.
t IS
t IH
t IS
t IH
CK
CK#
DQS#
DQS
t DS
t DH
t DS
t DH
V DDQ
V IH(AC) min
V IH(DC) min
DC to V REF
region
nominal
slew rate
V REF(DC)
nominal
slew rate
DC to V REF
region
V IL(DC) max
V IL(AC) max
V SS
Δ TR
Δ TF
Hold Slew Rate
Rising Signal
=
V REF(DC) – V IL(DC) max
Δ TR
Hold Slew Rate
Falling Signal
=
V IH(DC) min - V REF(DC)
Δ TF
Figure 108 – Illustration of nominal slew rate for hold time t DH (for DQ with respect to strobe)
and t IH (for ADD/CMD with respect to clock)
Publication Release Date: Dec. 09, 2013
Revision A05
- 153 -
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