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參數(shù)資料
| 型號(hào)： | EM421M3284LBA-7FE |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 512Mb (4M】4Bank】32) Double DATA RATE SDRAM |
| 中文描述： | 的512Mb（4分】4Bank】32）的雙倍數(shù)據(jù)速率SDRAM |
| 文件頁(yè)數(shù)： | 12/20頁(yè) |
| 文件大?。?/td> | 343K |
| 代理商： | EM421M3284LBA-7FE |
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eorex
EM42AM3284LBA
Jul. 2006
www.eorex.com
12/20
3. Operative Command Table (Continued)
Current
State
/CS /R /C /W
Addr.
Command
Action
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
H
X
X
DESL
NOP
TERM
NOP(Continue burst to end)
NOP(Continue burst to end)
ILLEGAL
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
BA/CA/A10
BA/RA
BA/A10
X
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
X
X
X
BA/CA/A10
BA/RA
BA/A10
X
Op-Code,
Mode-Add
READ/WRITE
ACT
PRE/PREA
REFA
Read with
AP
L
L
L
L
MRS
ILLEGAL
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
H
DESL
NOP
TERM
NOP(Continue burst to end)
NOP(Continue burst to end)
ILLEGAL
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
READ/WRITE
ACT
PRE/PREA
REFA
Write with AP
L
L
L
L
MRS
ILLEGAL
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
H
DESL
NOP
TERM
NOP(idle after t
RP
)
NOP(idle after t
RP
)
NOP
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
NOP(idle after t
RP
)
(Note 3)
ILLEGAL
READ/WRITE
ACT
PRE/PREA
REFA
Pre-charging
L
L
L
L
MRS
ILLEGAL
H
L
L
L
L
L
L
X
H
H
H
L
L
L
X
H
H
L
H
H
L
X
H
L
X
H
L
H
DESL
NOP
TERM
NOP(Row active after t
RCD
)
NOP(Row active after t
RCD
)
NOP
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
READ/WRITE
ACT
PRE/PREA
REFA
Row
Activating
L
L
L
L
MRS
ILLEGAL
Remark
H = High level, L = Low level, X = High or Low level (Don't care), AP = Auto Pre-charge
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EM421M3284LBA-8FE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:512Mb (4M×4Bank×32) Double DATA RATE SDRAM |
| EM421M812VTA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M812VTB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M814VTA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
| EM421M814VTB | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM |
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