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ø
Address
bus
CS (RAS)
3
RD (CAS)
HWR (UW)
LWR (LW)
RFSH
ø
Address
bus
CS (RAS)
3
HWR
(UCAS)
LWR
(LCAS)
RD (WE)
RFSH
Figure 7-6 Signal Output Timing in Self-Refresh Mode (PSRAME = 0, DRAME = 1)
Software
standby mode
High-impedance
High
High
WE
a. 2
Software
standby mode
High-impedance
CAS
b. 2
Oscillator
settling time
mode (SRFMD = 1)
Oscillator
settling time
mode (SRFMD = 1)
163
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