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參數(shù)資料
| 型號： | EDS2532EEBH-9A |
| 廠商： | Elpida Memory, Inc. |
| 英文描述： | 256M bits SDRAM (8M words x 32 bits) |
| 中文描述： | 256M位的SDRAM（800萬字× 32位） |
| 文件頁數(shù)： | 23/50頁 |
| 文件大小： | 718K |
| 代理商： | EDS2532EEBH-9A |
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EDS2532EEBH-9A
Preliminary Data Sheet E0617E40 (Ver. 4.0)
23
Extended Mode Register Set
A5
:
This pin specifies driver strength. (The initial setting is 0)
A5
0
1
Half
Quarter
Driver Strength
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
0
0
0
0
0
0
DS
0
0
0
0
A11 A10
BA0
0
BA1
1
0
Extended Mode Register Set
Burst Sequence
A2
A1
A0
Addressing(decimal)
Sequential
0, 1, 2, 3, 4, 5, 6, 7,
1, 2, 3, 4, 5, 6, 7,
2, 3, 4, 5, 6, 7,
3, 4, 5, 6, 7,
4, 5, 6, 7,
5, 6, 7,
6, 7,
7,
0, 1, 2, 3, 4, 5, 6,
0
0
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
1
1
1
Interleave
0, 1, 2, 3, 4, 5, 6, 7,
1, 0, 3, 2, 5, 4, 7,
2, 3, 0, 1, 6, 7,
3, 2, 1, 0, 7,
4, 5, 6, 7,
5, 4, 7,
6, 7,
7,
6, 5, 4, 3, 2, 1, 0,
1
1
0
Starting Ad.
0,
0, 1,
0, 1, 2,
0, 1, 2, 3,
0, 1, 2, 3, 4,
0, 1, 2, 3, 4, 5,
6,
4, 5,
6, 5, 4,
0, 1, 2, 3,
6, 1, 0, 3, 2,
4, 5, 2, 3, 0, 1,
Burst length = 8
A1
A0
Addressing(decimal)
Sequential
0, 1, 2, 3,
1, 2, 3, 0,
2, 3, 0, 1,
3, 0, 1, 2,
0
0
1
1
0
1
0
1
Interleave
0, 1, 2, 3,
1, 0, 3, 2,
2, 3, 0, 1,
3, 2, 1, 0,
Starting Ad.
Burst length = 4
A0
Addressing(decimal)
Sequential
0, 1,
1, 0,
0
1
Interleave
0, 1,
1, 0,
Starting Ad.
Burst length = 2
Burst Sequence
Full page burst is available only for sequential addressing. The addressing sequence is started from the column
address that is asserted by read/write command. And the address is increased one by one.
It is back to the address 0 when the address reaches at the end of address 511. “Full page burst” stops the burst
read/write with burst stop command.
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| EDS2532EEBH-9A-E | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits SDRAM (8M words x 32 bits) |
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