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參數(shù)資料
| 型號： | W9425G8DH-6 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 32M X 8 DDR DRAM, 0.7 ns, PDSO66 |
| 封裝： | 0.400 INCH, 0.65 MM PITCH, ROHS COMPLIANT, TSOP2-66 |
| 文件頁數(shù)： | 14/53頁 |
| 文件大?。?/td> | 1920K |
| 代理商： | W9425G8DH-6 |
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W9425G8DH
Publication Release Date: Nov. 20, 2007
- 21 -
Revision A4
8.3 Function Truth Table for CKE
CKE
CURRENT
STATE
n-1
n
CS RAS CAS
WE
ADDRESS
ACTION
NOTES
H
X
INVALID
L
H
X
Exit Self Refresh->Idle after tXSNR
L
H
L
H
X
Exit Self Refresh->Idle after tXSNR
L
H
L
H
L
X
ILLEGAL
L
H
L
X
ILLEGAL
Self Refresh
L
X
Maintain Self Refresh
H
X
INVALID
L
H
X
Exit Power down->Idle after tIS
Power Down
L
X
Maintain power down mode
H
X
Refer to Function Truth Table
H
L
H
X
Enter Power down
2
H
L
H
X
Enter Power down
2
H
L
H
X
Self Refresh
1
H
L
H
L
X
ILLEGAL
H
L
X
ILLEGAL
All banks Idle
L
X
Power down
H
X
Refer to Function Truth Table
H
L
H
X
Enter Power down
3
H
L
H
X
Enter Power down
3
H
L
H
X
ILLEGAL
H
L
H
L
X
ILLEGAL
H
L
X
ILLEGAL
Row Active
L
X
Power down
Any State
Other Than
Listed Above
H
X
Refer to Function Truth Table
Notes
:
1. Self refresh can enter only from the all banks idle state.
2. Power Down occurs when all banks are idle; this mode is referred to as precharge power down.
3. Power Down occurs when there is a row active in any bank; this mode is referred to as active power down.
Remark: H = High level, L = Low level, X = High or Low level (Don’t Care), V = Valid data
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W946432AD-6 | 2M X 32 DDR DRAM, 0.1 ns, PQFP100 |
| W947D6HBHX6E | 8M X 16 DDR DRAM, 5 ns, PBGA60 |
| W9602BB | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED |
| W9605BB | PUSHBUTTON SWITCH, SPST, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED |
| W9606BB | PUSHBUTTON SWITCH, SPDT, MOMENTARY, 10A, 28VDC, PANEL MOUNT-THREADED |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W9425G8EH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:8M × 4 BANKS × 8 BITS DDR SDRAM |
| W946432AD | 制造商:WINBOND 制造商全稱:Winbond 功能描述:512K X 4 BANKS X 32 BITS DDR SDRAM |
| W9464G6IB | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M × 4 BANKS × 16 BITS DDR SDRAM |
| W9464G6IH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M ?? 4 BANKS ?? 16 BITS DDR SDRAM |
| W9464G6JH | 制造商:WINBOND 制造商全稱:Winbond 功能描述:1M ? 4 BANKS ? 16 BITS DDR SDRAM |
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