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6400 参数 Datasheet PDF下载

6400图片预览
型号: 6400
PDF下载: 下载PDF文件 查看货源
内容描述: 高级内存缓冲器 [Advanced Memory Buffer]
分类和应用:
文件页数/大小: 250 页 / 3863 K
品牌: INTEL [ INTEL ]
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DDR MemBIST  
Figure 11-2. Fast Y Address Sequencing  
One Bank  
Address space as set by values in MTR register  
Address space as set by start and end values in  
MB_START_ADDR and MB_END_ADDR registers  
E
13  
7
14  
8
15  
9
16  
10  
4
17  
11  
5
18  
12  
6
S
2
3
1
Increasing X  
0
0
Increasing Y  
0001  
Fast Y address sequencing, increasing  
address, specified address range  
11.3.2.4.2  
Fast X  
Figure 11-3 below depicts how Fast X with decrementing addresses cycles through a  
range of addresses specified by MB_START_ADDR and MB_END_ADDR. In this  
execution mode, Z, or bank address, is held constant (except in the case of dynamic  
address inversion mode, DAI, mentioned later). Note that the X address counter  
counts down from Xe to Xs before decrementing the Y address counter and beginning  
again at Xe. This process continues until both the X and Y address counters reach their  
end Xs and Ys values simultaneously. This ending condition results in the address range  
being covered once. The name “Fast X” is descriptive of this testing order in which the  
X address range changes faster than the Y address range.  
Intel® 6400/6402 Advanced Memory Buffer Datasheet  
119  
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