W982516AH Datasheet, PDF (39/41 Pages) Winbond – 4M x 4 BANKS x 16BIT SDRAM

Operating Timing Example, continued
Self Refresh/Power Down Mode Exit Timing
W982516AH
Asynchronous Control
Input Buffer turn on time ( Power down mode exit time ) is specified by tCKS(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}
- 39 -
Publication Release Date: February 2001
Revision A2