參數(shù)資料
型號: W942504CH-7
廠商: WINBOND ELECTRONICS CORP
元件分類: DRAM
英文描述: 64M X 4 DDR DRAM, 0.75 ns, PDSO66
封裝: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件頁數(shù): 25/45頁
文件大小: 1261K
代理商: W942504CH-7
W942504CH
Publication Release Date: February 14, 2003
- 31 -
Revision A1
Timing Waveforms, continued
Mode Register Set (MRS) Timing
MRS
Register Set data
NEXT CMD
tMRD
CLK
CMD
ADD
A2
A1
A0
A3
A6
A5
A4
A8
BS1
BS0
000
001
010
011
100
101
11
0
111
00
1
01
0
01
1
10
0
10
1
110
11
1
0
1
0
1
0
1
0
1
2
4
8
2
4
8
Burst Length
Sequential
Interleaved
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"
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
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