W9412G6CH
Publication Release Date:Jul. 04, 2007
- 52 - Revision A06
11.23 Auto Refresh Cycle
CMD
CLK
CLK
PREA AREF AREF CMDNOP NOP
NOP
t
RP
t
RFC
t
RFC
CKE has to be kept “High” level for Auto-Refresh cycle.
11.24 Active Power Down Mode Entry and Exit Timing
CMD
CLK
CLK
NOP CMDNOP
Exit
Entry
NOP NOP
t
IH
t
IS
t
CK
t
IH
t
IS
CKE
11.25 Precharged Power Down Mode Entry and Exit Timing
CMD
CLK
CLK
NOP CMDNOP
Exit
Entry
NOP NOP
t
IH
t
IS
t
CK
t
IH
t
IS
CKE