w9425g8dh Winbond Electronics Corp America, w9425g8dh Datasheet - Page 53

• Manufacturer Part Number: w9425g8dh
• Description: 8m ? 4 Banks ? 8 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

13. REVISION HISTORY
Winbond products are not designed, intended, authorized or warranted for use as components
in systems or equipment intended for surgical implantation, atomic energy control
instruments, airplane or spaceship instruments, transportation instruments, traffic signal
instruments, combustion control instruments, or for other applications intended to support or
sustain life. Further more, Winbond products are not intended for applications wherein failure
of Winbond products could result or lead to a situation wherein personal injury, death or
severe property or environmental damage could occur.
Winbond customers using or selling these products for use in such applications do so at their
own risk and agree to fully indemnify Winbond for any damages resulting from such improper
use or sales.
VERSION
P0
A0
A1
A2
A3
A4
Nov. 20, 2007
Mar. 06, 2007
May 22, 2007
Jul. 03, 2007
Aug., 2006
May, 2005
DATE
29, 30, 31,
13, 50, 51
5, 26, 27,
42, 43
32, 33
21, 50
PAGE
10
26
52
29
-
Important Notice
Preliminary data sheet
Modify self refresh and auto refresh description
Modify t
Modify CL=3 drawing
Add System AC Characteristics with slew rate and
Overshoot/Undershoot Specification detail describes
Update the HE/E with package dimensions
Add max. values of t
revise t
and remove t
Revise Precharged/Active Power Down Mode
Add input clock frequency change during precharge
power down mode/self refresh mode
- 53 -
DAL
DQSCK
parameter, t
DSSK
and t
Publication Release Date: Nov. 20
parameters in AC Characteristics
DESCRIPTION
DQSS
CK
DAL
in key parameters table,
parameters
= (t
WR
/t
CK
) + (t
RP
Revision A4
/t
CK
)
,
2007