參數(shù)資料
型號(hào)： EM422M3284LBA-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)： 13/20頁(yè)
文件大?。?/td> 343K
代理商： EM422M3284LBA-7FE
eorex
EM42AM3284LBA
Jul. 2006
www.eorex.com
13/20
3. Operative Command Table (Continued)
Current State /CS /R /C /W
Addr.
Command
Action
H
L
L
L
L
L
L
L
X
H
H
H
H
L
L
L
X
H
H
L
L
H
H
L
X
H
L
H
L
H
L
H
X
X
X
DESL
NOP
TERM
READ
NOP
NOP
NOP
ILLEGAL
(Note 1)
New write, Determine AP
ILLEGAL
(Note 1)
ILLEGAL
(Note 1)
ILLEGAL
BA/CA/A10
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
WRIT/WRITA
ACT
PRE/PREA
REFA
Write
Recovering
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
READ/WRIT
ACT
PRE/PREA
REFA
NOP(idle after t
RP
)
NOP(idle after t
RP
)
NOP
ILLEGAL
ILLEGAL
NOP(idle after t
RP
)
ILLEGAL
Refreshing
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
Note 1:
ILLEGAL to bank in specified states;
Function may be legal in the bank indicated by Bank Address (BA), depending on the state of
that bank.
Note 2:
Must satisfy bus contention, bus turn around, and/or write recovery requirements.
Note 3:
NOP to bank precharging or in idle state.May precharge bank indicated by BA.
Note 4:
ILLEGAL of any bank is not idle.
相關(guān)PDF資料
PDF描述
EM422M3284LBA-8FE 512Mb (4M】4Bank】32) Double DATA RATE SDRAM
EM423M3284LBA-75FE 512Mb (4M】4Bank】32) Double DATA RATE SDRAM
EM423M3284LBA-7FE 512Mb (4M】4Bank】32) Double DATA RATE SDRAM
EM423M3284LBA-8FE 512Mb (4M】4Bank】32) Double DATA RATE SDRAM
EM424M3284LBA-75FE 512Mb (4M】4Bank】32) Double DATA RATE SDRAM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EM422M3284LBA-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
EM422M812VTA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM
EM422M812VTB 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM
EM422M814VTA 制造商:未知廠家 制造商全稱:未知廠家 功能描述:16Mb ( 2Banks ) Synchronous DRAM
EM422M814VTB 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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