w9425g8eh Winbond Electronics Corp America, w9425g8eh Datasheet - Page 22

• Manufacturer Part Number: w9425g8eh
• Description: 8m ? 4 Banks ? 8 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

8.4
Simplified Stated Diagram
APPLIED
POWER
Write
Write A
POWERDOWN
REGISTER
POWER
ACTIVE
Write A
MODE
Write
SET
ON
Write
PD
MRS/EMRS
Write A
PRE
PDEX
PRE
- 22 -
CHARGE
ACTIVE
ROW
IDLE
PRE
PRE
ACT
Read
SREF
Read A
PDEX
PRE
Read A
AREF
PD
SREFX
Read
Publication Release Date: Jul. 04
BST
REFRESH
REFRESH
POWER
DOWN
Read A
AUTO
SELF
Read
Read A
Command Sequence
Automatic Sequence
Read
Revision A01
,
2008