w9425g6eb Winbond Electronics Corp America, w9425g6eb Datasheet - Page 38

• Manufacturer Part Number: w9425g6eb
• Description: 4 M ? 4 Banks ? 16 Bits Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

11.7 Extend Mode Register Set (EMRS) Timing
CLK
CMD
CLK
ADD
*“Reserved＂should stay“0＂during EMRS cycle
A10
A11
A12
BA0
BA1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
" 0 "
Buffer Strength
Mode Register Set
Buffer Strength
Register Set data
Extended Mode
DLL Switch
Register Set
Reserved
Reserved
EMRS
or
t
MRD
- 38 -
BA1
A6
0
0
1
1
0
0
1
1
A0
0
1
BA0
A1
0
1
0
1
0
1
0
1
Publication Release Date:Feb. 12, 2009
Extended MRS cycle
NEXT CMD
Regular MRS cycle
MRS or EMRS
Buffer Strength
100% Strength
60% Strength
30% Strength
DLL Switch
Reserved
Reserved
Disable
Enable
W9425G6EB
Revision A02