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參數資料
| 型號： | W989D6CBGX7E |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 16 DDR DRAM, 5.4 ns, PBGA54 |
| 封裝： | 8 X 9 MM, 0.80 MM PITCH, HALOGEN FREE AND LEAD FREE, VFBGA-54 |
| 文件頁數： | 25/67頁 |
| 文件大小： | 1469K |
| 代理商： | W989D6CBGX7E |
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W989D6CB / W989D2CB
512Mb Mobile LPSDR
Publication Release Date: Jun, 27, 2011
- 31 -
Revision A01-004
8.6 Extended Mode Register Description
The Extended Mode Register designates the operation condition while SDRAM is in Self Refresh Mode and selects the
output driver strength as full, 1/2, 1/4, or 1/8 strength. The register is divided into two fields; (1) Partial Array Self Refresh
field selects how much banks or which part of a bank need to be refreshed during Self Refresh. (2) Driver Strength selected
bit to control the size of output buffer. The initial value of the Extended Mode Register after power-up is Full Driver
Strength, and all banks are refreshed during Self Refresh Mode.
Extended
Mode
Register Set
A0
A1
A2
A3
A4
A5
A6
Partial Array
Self Refresh
A8
A7
A9
A10
A11
BA0
"0"
Reserved
"1"
BA1
"0"
Output Driver
"0"
A2 A1 A0
0
1
0
1
0
1
0
1
0
1
0
1
Reserved
Self-Refresh coverage
All banks
Reserved
A6
A5
Driver Strength
Full strength
1/2 strength
0
1
0
1
1/4 strength
1/8 strength
A12
"0"
Reserved
"0"
Bank 0 (BA1=BA0=0)
Banks 0 and 1 (BA1=0)
Reserved
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W989D6CBGX7G | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512Mb Mobile LPSDR |
| W989D6KBGX7E | 制造商:Winbond Electronics Corp 功能描述:IC LPSDR SDRAM 512MBIT 54VFBGA |
| W98AD2KBJX6E | 制造商:Winbond Electronics Corp 功能描述:IC MEMORY SDRAM 1GB 90VFBGA |
| W98AD2KBJX6I | 制造商:Winbond Electronics Corp 功能描述:IC MEMORY SDRAM 1GB 90VFBGA |
| W98M9640 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Semiconductor Discrete Device, P-Channel Power MOS Field Effect Transistor |
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