参数资料
型号: W942504CH-7
厂商: WINBOND ELECTRONICS CORP
元件分类: DRAM
英文描述: 64M X 4 DDR DRAM, 0.75 ns, PDSO66
封装: 0.400 X 0.875 INCH, 0.65 MM PITCH, TSOP2-66
文件页数: 26/45页
文件大小: 1261K
代理商: W942504CH-7
W942504CH
- 32 -
Timing Waveforms, continued
Extend Mode Register Set (EMRS) Timing
EMRS
Register Set data
NEXT CMD
tMRD
CLK
CMD
ADD
A0
A1
BS1
BS0
0
1
0
1
0
1
0
1
Enable
Disable
DLL Switch
Output Driver Size
Full Strength
Hall Strength
MRS or EMRS
Regular MRS cycle
Extended MRS cycle
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
BS0
BS1
"0"
* "Reserved" should stay "0" during
EMRS cycle.
"0"
Output Driver
DLL Switch
Reserved
Mode Register Set or
Extended Mode Register
Set
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