W981216AH Datasheet, PDF (43/44 Pages) Winbond – 2M x 16 bit x 4 Banks SDRAM

W981216AH
Self Refresh/Power Down Mode Exit Timing
2M x 16 bit x 4 Banks SDRAM
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}
Revision 1.0
- 43 -
Publication Release Date: March, 1999