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EM482M3244VBC-8FE 参数 Datasheet PDF下载

EM482M3244VBC-8FE图片预览
型号: EM482M3244VBC-8FE
PDF下载: 下载PDF文件 查看货源
内容描述: 256MB ( 2M × 4Bank × 32 )同步DRAM [256Mb (2M】4Bank】32) Synchronous DRAM]
分类和应用: 动态存储器
文件页数/大小: 19 页 / 1127 K
品牌: EOREX [ EOREX CORPORATION ]
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eorex  
Preliminary  
EM488M3244VBC  
4. Operative Command Table (Continued) (Note 7)  
Current  
State  
/CS /R /C /W  
Addr.  
X
Command  
DESL  
Action  
Continue burst to end →  
Pre-charging  
Continue burst to end →  
Pre-charging  
H
L
X
H
X
H
X
H
X
X
NOP  
BST  
L
L
H
H
H
L
L
ILLEGAL  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
Read with  
AP  
H
BA/CA/A10 READ/READA  
BA/CA/A10 WRIT/WRITA  
L
L
L
H
L
L
L
H
H
L
H
L
BA/RA  
ACT  
BA, A10  
PRE/PALL  
L
L
L
L
L
L
H
L
X
REF/SELF  
MRS  
ILLEGAL  
ILLEGAL  
Op-Code  
Burst to end Write recovering  
with auto pre-charge  
Continue burst to end Write  
recovering with auto pre-charge  
ILLEGAL  
H
L
X
H
X
H
X
H
X
DESL  
X
X
NOP  
BST  
L
L
H
H
H
L
L
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
Write with  
AP  
H
BA/CA/A10 READ/READA  
BA/CA/A10 WRIT/WRITA  
L
L
L
H
L
L
L
H
H
L
H
L
BA/RA  
ACT  
ILLEGAL (Note 9)  
BA, A10  
PRE/PALL  
L
L
H
L
L
L
L
X
H
H
L
L
X
H
H
H
L
X
H
L
X
REF/SELF  
MRS  
ILLEGAL  
ILLEGAL  
Op-Code  
X
X
X
DESL  
NOP  
BST  
Nop Enter idle after tRP  
Nop Enter idle after tRP  
ILLEGAL  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
L
L
L
H
H
L
L
L
H
L
BA/CA/A10 READ/READA  
BA/CA/A10 WRIT/WRITA  
Pre-charging  
H
H
BA/RA  
ACT  
L
L
L
H
L
L
L
L
L
X
H
H
H
L
L
X
H
H
L
H
L
X
H
L
BA, A10  
PRE/PALL  
REF/SELF  
MRS  
Nop Enter idle after tRP  
ILLEGAL  
ILLEGAL  
Nop Enter idle after tRCD  
Nop Enter idle after tRCD  
ILLEGAL  
X
Op-Code  
X
X
X
DESL  
NOP  
BST  
ILLEGAL (Note 9)  
ILLEGAL (Note 9)  
ILLEGAL (Note 9, 16)  
L
L
L
L
H
H
L
L
L
H
L
BA/CA/A10 READ/READA  
BA/CA/A10 WRIT/WRITA  
Row  
Activating  
H
H
H
L
BA/RA  
ACT  
ILLEGAL (Note 9)  
L
BA, A10  
PRE/PALL  
L
L
L
L
L
L
H
L
X
REF/SELF  
MRS  
ILLEGAL  
ILLEGAL  
Op-Code  
Remark H = High level, L = Low level, X = High or Low level (Don't care), AP = Auto Pre-charge  
May. 2007  
www.eorex.com  
16/19  
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