W989D6DB Datasheet, PDF (26/64 Pages) Winbond – Standard Self Refresh Mode

8.7 Simplified State Diagram
W989D6DB / W989D2DB
MODE
REGISTER
SET
MRS/EMRS
IDLE
DEEP
POWER
DOWN
DPD
DPDEX
SELF
REFRESH
SELF _SELEX
AREF
AUTO
REFRESH
PD
PDEX
POWER
DOWN
POWER
DOWN
PD
PDEX
ROW
ACTIVE
WRITE
SUSPEND
WRIT
CSE
CSEX
WRITE
WRIT
READ
READ
READ
CSE
CSEX
READ
SUSPEND
WRITEA
SUSPEND
CSE
CSEX
WRITEA
READA
CSE
CSEX
READA
SUSPEND
POWER
APPLIED
POWER
ON
PRE
PRECHARGE
Automatic sequence
Command sequence
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Publication Release Date: Mar. 19, 2014
Revision: A01-001