w942508ch Winbond Electronics Corp America, w942508ch Datasheet - Page 33

• Manufacturer Part Number: w942508ch
• Description: 8m X 4 Banks X 8 Bit Ddr Sdram
• Manufacturer: Winbond Electronics Corp America

Timing Waveforms, continued
10.7 Mode Register Set (MRS) Timing
CMD
CLK
ADD
CLK
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A10
A11
A12
BS0
BS1
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
* "Reserved" should stay "0" during
MRS cycle.
"0"
"0"
"0"
"0"
"0"
"0"
"0"
Addressing Mode
Mode Register Set or
Extended Mode Register
Set
CAS Latency
Burst Length
DLL Reset
Register Set data
Reserved
Reserved
MRS
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- 33 -
t
MRD
A2
A6
1
0
0
0
0
1
1
1
0
1
0
0
0
1
1
1
BS1
0
0
1
1
A1
A3
A5
A8
1
1
0
0
1
1
0
0
1
0
1
0
0
1
1
0
0
1
0
1
BS0
0
1
0
1
A0
A4
0
0
0
1
0
1
0
1
1
0
1
0
1
0
1
1
Publication Release Date: May 21, 2003
Sequential
Reserved
Reserved
NEXT CMD
2
4
8
Extended MRS cycle
Regular MRS cycle
Addressing Mode
MRS or EMRS
CAS Latency
Burst Length
Interleaved
DLL Reset
Sequential
Reserved
Reserved
Reserved
Reserved
Yes
2.5
No
2
3
W942508CH
Interleaved
Reserved
Reserved
2
4
8
Revision A3