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參數(shù)資料
| 型號： | EM48AM3284LBA-75FE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 512Mb (4M】4Bank】32) Synchronous DRAM |
| 中文描述： | 的512Mb（4分】4Bank】32）同步DRAM |
| 文件頁數(shù)： | 12/17頁 |
| 文件大小： | 231K |
| 代理商： | EM48AM3284LBA-75FE |
eorex
EM48AM3284LBA
Jul. 2006
www.eorex.com
12/17
2. DQM Truth Table
CKE
Command
Symbol
n-1
n
/CS
Data Write/Output Enable
Data Mask/Output Disable
ENB
MASK
H
H
X
X
H
L
Upper Byte Write Enable/Output Enable
Read
Read with Auto Pre-charge
Write
Write with Auto Pre-charge
Bank Activate
Pre-charge Select Bank
Pre-charge All Banks
Mode Register Set
H = High level, L = Low level, X = High or Low level (Don't care), V = Valid data input
BSTH
READ
READA
WRIT
WRITA
ACT
PRE
PALL
MRS
H
H
H
H
H
H
H
H
H
X
X
X
X
X
X
X
X
X
L
L
L
L
L
L
L
L
L
3. CKE Truth Table
CKE
n-1
H
L
Item
Command
Symbol
n
L
L
/CS
/RAS /CAS /WE
Addr.
Activating
Any
Clock
Suspend
Idle
Idle
Clock Suspend Mode Entry
Clock Suspend Mode
X
X
X
X
X
X
X
X
X
X
Clock Suspend Mode Exit
L
H
X
X
X
X
X
CBR Refresh Command
Self Refresh Entry
REF
SELF
H
H
L
H
L
H
H
L
H
L
L
L
H
X
X
L
L
H
X
X
X
L
L
H
X
X
X
H
H
H
X
X
X
X
X
X
X
X
X
Self Refresh
Self Refresh Exit
L
H
L
Idle
Power Down
Remark
H = High level, L = Low level, X = High or Low level (Don't care)
Power Down Entry
Power Down Exit
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| EM48AM3284LBA-75FH | 制造商:EOREX 制造商全稱:EOREX 功能描述:512Mb (4M×4Bank×32) Synchronous DRAM |
| EM48AM3284LBA-75FS | 制造商:EOREX 制造商全稱:EOREX 功能描述:512Mb (4M×4Bank×32) Synchronous DRAM |
| EM48AM3284LBA-7FE | 制造商:EOREX 制造商全稱:EOREX 功能描述:512Mb (4M】4Bank】32) Synchronous DRAM |
| EM48AM3284LBA-8FE | 制造商:EOREX 制造商全稱:EOREX 功能描述:512Mb (4M】4Bank】32) Synchronous DRAM |
| EM48AM3284LBB | 制造商:EOREX 制造商全稱:EOREX 功能描述:512Mb (4M??4Bank??32) Mobile Synchronous DRAM |
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