W9425G8EH Datasheet, PDF (22/53 Pages) Winbond – 8M × 4 BANKS × 8 BITS DDR SDRAM

8.4 Simplified Stated Diagram
W9425G8EH
MODE
REGISTER
SET
MRS/EMRS
ACTIVE
POWERDOWN
PD
PDEX
Write
Write
SREF
SREFX
AREF
IDLE
PD
ACT
PDEX
SELF
REFRESH
AUTO
REFRESH
POWER
DOWN
ROW
ACTIVE
BST
Read
Read
Write
Write A
Write A
Read
Write A
PRE
Read A
PRE
Read A
PRE
Read
Read A
Read A
POWER
APPLIED
POWER
ON
PRE
PRE
CHARGE
Automatic Sequence
Command Sequence
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Publication Release Date: Jul. 04, 2008
Revision A01