W9725G6KB25I-TR Datasheet, PDF (84/87 Pages) Winbond – 4M X 4 BANKS X 16 BIT DDR2 SDRAM

W9725G6KB
11.29 Active Power Down Mode Entry and Exit Timing
T0
CLK
CLK
CMD
Activate
CKE
T1
NOP
tIS
T2
NOP
Tn
Tn+1
Tn+2
NOP
tIS
NOP
Valid
Command
tXARD or
tXARDS
Active
Power Down
Entry
Active
Power Down
Exit
11.30 Precharged Power Down Mode Entry and Exit Timing
T0
T1
T2
T3
CLK
CLK
Tn
Tn+1
Tn+2
CMD
Precharge
CKE
NOP
tIS
NOP
NOP
NOP
NOP
Valid
Command
NOP
tIS
1 x tCK
tXP
Precharge
Power Down
Entry
Precharge
Power Down
Exit
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Publication Release Date: Sep. 03, 2012
Revision A03