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參數(shù)資料
| 型號(hào)： | EDD2516AKTA-E |
| 廠商： | Elpida Memory, Inc. |
| 英文描述： | 256M bits DDR SDRAM (16M words x 16 bits) |
| 中文描述： | 256M比特DDR SDRAM內(nèi)存（1,600字× 16位） |
| 文件頁數(shù)： | 18/49頁 |
| 文件大小： | 564K |
| 代理商： | EDD2516AKTA-E |
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EDD2516AKTA-E
Data Sheet E0502E30 (Ver. 3.0)
18
Command Truth Table for CKE
Current State
CKE
n – 1 n
/CS /RAS /CAS /WE Address
Operation
Notes
Self refresh
H
×
×
×
×
×
×
INVALID, CK (n-1) would exit self refresh
L
H
H
×
×
×
×
Self refresh recovery
L
H
L
H
H
×
×
Self refresh recovery
L
H
L
H
L
×
×
ILLEGAL
L
H
L
L
×
×
×
ILLEGAL
L
L
×
×
×
×
×
Maintain self refresh
Self refresh recovery
H
H
H
×
×
×
×
Idle after tRC
H
H
L
H
H
×
×
Idle after tRC
H
H
L
H
L
×
×
ILLEGAL
H
H
L
L
×
×
×
ILLEGAL
H
L
H
×
×
×
×
ILLEGAL
H
L
L
H
H
×
×
ILLEGAL
H
L
L
H
L
×
×
ILLEGAL
H
L
L
L
×
×
×
ILLEGAL
Power down
H
×
×
×
×
×
INVALID, CK (n – 1) would exit power down
L
H
H
×
×
×
×
EXIT power down
→
Idle
L
H
L
H
H
H
×
L
L
×
×
×
×
×
Maintain power down mode
All banks idle
H
H
H
×
×
×
Refer to operations in Function Truth Table
H
H
L
H
×
×
Refer to operations in Function Truth Table
H
H
L
L
H
×
Refer to operations in Function Truth Table
H
H
L
L
L
H
×
CBR (auto) refresh
H
H
L
L
L
L
OPCODE Refer to operations in Function Truth Table
H
L
H
×
×
×
Refer to operations in Function Truth Table
H
L
L
H
×
×
Refer to operations in Function Truth Table
H
L
L
L
H
×
Refer to operations in Function Truth Table
H
L
L
L
L
H
×
Self refresh
1
H
L
L
L
L
L
OPCODE Refer to operations in Function Truth Table
L
×
×
×
×
×
×
Power down
1
Row active
H
×
×
×
×
×
×
Refer to operations in Function Truth Table
Remark: H: VIH. L: VIL.
×
: VIH or VIL
Note: Self refresh can be entered only from the all banks idle state. Power down can be entered only from all
banks idle or row active state.
L
×
×
×
×
×
×
Power down
1
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| EDD2516AKTA-LI | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM WTR (Wide Temperature Range) |
| EDD2516AKTA-TI | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM WTR (Wide Temperature Range) |
| EDD2516AMTA | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
| EDD2516AMTA-5 | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
| EDD2516AMTA-5B | 制造商:ELPIDA 制造商全稱:Elpida Memory 功能描述:256M bits DDR SDRAM |
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