參數(shù)資料
型號(hào): W942508BH
英文描述: DRAM
中文描述: 內(nèi)存
文件頁(yè)數(shù): 31/45頁(yè)
文件大?。?/td> 1601K
代理商: W942508BH
W942508BH
Publication Release Date: March 19, 2002
- 31 -
Revision A1
Timing Waveforms, continued
Mode Register Set (MRS) Timing
MRS
Register Set data
NEXT CMD
t
MRD
CLK
CLK
CMD
ADD
A2
A1
A0
A3
A6
A5
A4
A8
BS1
BS0
0
0
0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
0
1
0
1
1
1
0
0
0
1
0
1
2
4
8
2
4
8
Burst Length
Sequential
Interleaved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Sequential
Interleaved
Addressing Mode
CAS Latency
2
DLL Reset
No
Yes
MRS or EMRS
Regular MRS cycle
Extended MRS cycle
2.5
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BS0
BS1
"0"
"0"
"0"
"0"
"0"
"0"
"0"
DLL Reset
Reserved
Addressing Mode
* "Reserved" should stay "0" during
MRS cycle.
Reserved
Mode Register Set or
Extended Mode Register
Set
CAS Latency
Burst Length
Reserved
Reserved
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