HYB39S256400 Datasheet, PDF (41/56 Pages) Siemens Semiconductor Group – 256 MBit Synchronous DRAM

HYB 39S256400/800/160T
256 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
t _CK2
t _CKS
t _CKS
CKE
CS
RAS
CAS
WE
BS
AP
RAx
Addr.
RAx
DQM
Hi-Z
DQ
CAx
t _HZ
Ax0 Ax1
Ax2
Ax3
Activate
Command
Bank A
Active
Standby
Read
Command
Bank A
Clock Mask
Start
Clock Mask
End
Precharge
Command
Bank A
Precharge
Standby
Any
Command
Clock Suspend Clock Suspend
Mode Entry
Mode Exit
Power Down
Mode Entry
Power Down
Mode Exit
SPT03918
Semiconductor Group
41
1998-10-01