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參數(shù)資料
| 型號(hào)： | W946432AD-6 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | DRAM |
| 英文描述： | 2M X 32 DDR DRAM, 0.1 ns, PQFP100 |
| 文件頁數(shù)： | 7/39頁 |
| 文件大?。?/td> | 577K |
| 代理商： | W946432AD-6 |
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W946432AD
15
NOTE:
1. This table applies when CKE n-1 was HIGH and CKE n is HIGH.
2. ILLEGAL if any bank is not idle.
3. ILLEGAL to bank in specified states; Function may be legal in the bank indicated by Bank Address(BA), depending on the state of
that bank.
4. ILLEGAL if tRCD is not satisfied.
5. ILLEGAL if tRAS is not satisfied.
6. Must satisfy bust interrupt condition.
7. Must satisfy bus contention, bus turn around, and/ or write recovery requirements
8. Must mask preceding data, which don’t satisfy tWR
Figure3:Simplified State Diagram
SIMPLIFIED STATE DIAGRAM
POWER
APPLIED
Automatic Sequence
Command Sequence
Read A
Write
Read
ROW
ACTIVE
POWER
DOWN
IDLE
MODE
REGISTER
SET
AUTO
REFRESH
SELF
REFRESH
Read
Read A
Write
Write A
PRE
CHARGE
POWER
ON
MRS/EMRS
AREF
SREF
SREFX
PD
PDEX
ACT
BST
Read
Write
Write A
Read A
PRE
ACTIVE
POWERDOWN
PD
PDEX
MRS = Mode Register Set
EMRS = Extended Mode Register Set
SREF = Enter Self Refresh
SREFX = Exit Self Refresh
AREF = Auto Refresh
PD = Enter Power Down
PDEX = Exit Power Down
ACT = Active
Write A = Write with Autoprecharge
Read A = Read with Autoprecharge
PRE = Precharge
BST = B nst Read Stpop
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| 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 |
| W9464G6JH-4 | 制造商:Winbond Electronics Corp 功能描述:IC DDR SDRAM 64M 200MHZ 66TSOP |
| W9464G6JH-5 | 制造商:Winbond Electronics Corp 功能描述:64MBIT DDRI 制造商:Winbond Electronics Corp 功能描述:IC DDR SDRAM 64M 200MHZ 66TSOP |
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