W989D6DB Datasheet, PDF (55/64 Pages) Winbond – Standard Self Refresh Mode

11.16 Deep Power Down Mode Exit
W989D6DB / W989D2DB
CLK
CS
RAS
0
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23
tRP
tMRD
tMRD
CAS
WE
A10
Address
OP-Code
OP-Code
DQM
CKE
tCKS
DQ
200μs
tRFC
tRFC
All Banks Precharge
DSL
Auto Refresh
Auto Refresh
Extended Mode
Mode Register Set Register Set ^{Arbitrary Cycle}
Deep Power Down Exit
Note:
Issue Auto Refresh cycle two or more
The device exits the Deep Power Down Mode asynchronously at the rising edge of the CKE signal.
After CKE goes high, the Device Deselect or No-operation command must be register at the immediately
following CLK rising edge, and CKE must remain high at least for tCKS delay immediately after exiting
the Deep Power Down Mode.
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Publication Release Date: Mar. 19, 2014
Revision: A01-001