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参数资料
| 型号： | W9412G2CB-5 |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | DRAM |
| 英文描述： | 4M X 32 DDR DRAM, 0.6 ns, PBGA144 |
| 封装： | 12 X 12 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LFBGA-144 |
| 文件页数： | 15/49页 |
| 文件大小： | 1936K |
| 代理商： | W9412G2CB-5 |
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W9412G2CB
Publication Release Date:Jul. 07, 2008
- 22 -
Revision A11
8.5 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
相关PDF资料 |
PDF描述 |
|---|---|
| W9412G6IH-4 | 8M X 16 DDR DRAM, 0.65 ns, PDSO66 |
| W942508AH-8 | 32M X 8 DDR DRAM, 0.8 ns, PDSO66 |
| W942516AH-6 | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
| W942516CH-75 | 16M X 16 DDR DRAM, 0.75 ns, PDSO66 |
| W9425G6DH-6F | 16M X 16 DDR DRAM, 0.7 ns, PDSO66 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| W9412G2IB | 制造商:WINBOND 制造商全称:Winbond 功能描述:1M × 4 BANKS × 32 BITS GDDR SDRAM |
| W9412G2IB4 | 制造商:WINBOND 制造商全称:Winbond 功能描述:Double Data Rate architecture; two data transfers per clock cycle |
| W9412G2IB-5 | 制造商:Winbond Electronics Corp 功能描述:8*16 DDR1 |
| W9412G6CH | 制造商:WINBOND 制造商全称:Winbond 功能描述:2M 】 4 BANKS 】 16 BITS DDR SDRAM |
| W9412G6IH | 制造商:WINBOND 制造商全称:Winbond 功能描述:2M × 4 BANKS × 16 BITS DDR SDRAM |
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