HYB39S64400 Datasheet, PDF (37/53 Pages) Siemens Semiconductor Group – 64 MBit Synchronous DRAM

13. Power Down Mode and Clock Suspend
Burst Length = 4, CAS Latency = 2
T0 T1 T2 T3 T4 T5 T6 T7 T8 T9 T10 _T11 T12 _{T13 T14 T15 T16 T17 T18 T19 T20 T21 T22}
CLK
CKE
t_CK2
t_CKS
t_CKS
CS
RAS
CAS
WE
BS
AP
RAx
Addr
RAx
CAx
DQM
Hi-Z
DQ
Activate
Command
Bank A
ACTIVE
STANDBY
Read
Command
Bank A
Clock Suspend
Mode Entry
Clock Suspend
Mode Exit
Ax0 Ax1
Clock Mask
Start
t_HZ
Ax2
Ax3
Clock Mask
End
Precharge
Command
Bank A
PRECHARGE
STANDBY
Power Down
Mode Entry
Power Down
Mode Exit
Any
Command