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| 型號(hào)： | EDD1232ABBH-5C-E |
| 廠商： | ELPIDA MEMORY INC |
| 元件分類(lèi)： | DRAM |
| 英文描述： | 128M bits DDR SDRAM |
| 中文描述： | 4M X 32 DDR DRAM, 0.7 ns, PBGA144 |
| 封裝： | ROHS COMPLIANT, FBGA-144 |
| 文件頁(yè)數(shù)： | 19/51頁(yè) |
| 文件大?。?/td> | 518K |
| 代理商： | EDD1232ABBH-5C-E |
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EDD1232ABBH
Data Sheet E0874E40 (Ver. 4.0)
19
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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|---|---|
| EDD1232ACBH | 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:128M bits DDR SDRAM |
| EDD1232ACBH-5B-F | 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:128M bits DDR SDRAM |
| EDD1232ACBH-6B | 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:128M bits DDR SDRAM |
| EDD1232ACBH-6B-F | 制造商:ELPIDA 制造商全稱(chēng):Elpida Memory 功能描述:128M bits DDR SDRAM |
| ED-D15TF-K | 制造商:IXYS Corporation 功能描述: |
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