2Gb: x16, x32 Mobile LPDDR2 SDRAM S4
CA and CS# Setup, Hold, and Derating
Figure 97: Typical Slew Rate and t VAC – t IS for CA and CS# Relative to Clock
CK
CK#
t IS
t IH
t IS
t IH
V DDCA
V IH(AC)min
V REF to AC
t VAC
region
V IH(DC)min
Typical
slew rate
V REF(DC)
Typical
slew rate
V IL(DC)max
V REF to AC
region
V IL(AC)max
V SSCA
TF
TR
Setup slew rate
falling signal
=
V REF(DC) - V IL(AC)max
TF
Setup slew rate
rising signal
=
V IH(AC)min - V REF(DC)
TR
PDF: 09005aef83f3f2eb
2gb_mobile_lpddr2_s4_g69a.pdf – Rev. N 3/12 EN
152
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2010 Micron Technology, Inc. All rights reserved.
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