W9864G6DB Datasheet, PDF (46/48 Pages) Winbond – 1M x 4 BANKS x 16 BITS SDRAM

W9864G6DB
Operating Timing Example, continued
Self Refresh/Power Down Mode Exit Timing
Asynchronous Control
Input Buffer turn on time (Power down mode exit time) is specified by Ct KS (min.) + tCK (min.)
A ) tCK < tCKS (min.) + tCK (min.)
tCK
CLK
CKE
Command
tCKS(min)+tCK(min)
NOP
Command
Input Buffer Enable
B) tCK >= tCKS (min.) + tCK (min.)
tCK
CLK
CKE
tCKS(min)+tCK(min)
Command
Command
Note:
Input Buffer Enable
All Input Buffer (Include CLK Buffer) are turned off in the Power Down mode
and Self Refresh mode
NOP
Represents the No-Operation command
Command _{Represents one command}
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