參數(shù)資料
型號: EM48AM3244VBA-7FE
廠商: Electronic Theatre Controls, Inc.
英文描述: 256Mb (2Mⅴ4Bankⅴ32) Synchronous DRAM
中文描述: 256Mb的(200萬ⅴ4Bankⅴ32)同步DRAM
文件頁數(shù): 14/17頁
文件大?。?/td> 208K
代理商: EM48AM3244VBA-7FE
eorex
EM488M3244VBA
Jul. 2006
www.eorex.com
14/17
4. Operative Command Table (Continued)
(Note 7)
Current
State
/CS /R /C /W
Addr.
Command
Action
H
X
X
X
X
DESL
Continue burst to end
Pre-charging
Continue burst to end
Pre-charging
ILLEGAL
L
H
H
H
X
NOP
L
L
L
L
L
L
L
H
H
H
L
L
L
L
H
L
L
H
H
L
L
L
H
L
H
L
H
L
X
BST
BA/CA/A10 READ/READA
ILLEGAL
(Note 9)
BA/CA/A10
WRIT/WRITA
BA/RA
ACT
BA, A10
PRE/PALL
X
REF/SELF
Op-Code
MRS
ILLEGAL
(Note 9)
ILLEGAL
(Note 9)
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
Burst to end
Write recovering
with auto pre-charge
Continue burst to end
Write
recovering with auto pre-charge
ILLEGAL
Read with
AP
H
X
X
X
X
DESL
L
H
H
H
X
NOP
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
X
H
H
H
H
L
L
L
L
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
X
H
H
L
L
H
H
L
L
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
H
L
H
L
H
L
H
L
X
BST
BA/CA/A10 READ/READA
ILLEGAL
(Note 9)
BA/CA/A10
WRIT/WRITA
BA/RA
ACT
BA, A10
PRE/PALL
X
REF/SELF
Op-Code
MRS
X
DESL
X
NOP
X
BST
BA/CA/A10 READ/READA
ILLEGAL
(Note 9)
BA/CA/A10
WRIT/WRITA
BA/RA
ACT
BA, A10
PRE/PALL
X
REF/SELF
Op-Code
MRS
X
DESL
X
NOP
X
BST
BA/CA/A10 READ/READA
ILLEGAL
(Note 9)
BA/CA/A10
WRIT/WRITA
BA/RA
ACT
BA, A10
PRE/PALL
X
REF/SELF
Op-Code
MRS
ILLEGAL
(Note 9)
ILLEGAL
(Note 9)
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
Nop
Enter idle after t
RP
Nop
Enter idle after t
RP
ILLEGAL
Write with
AP
ILLEGAL
(Note 9)
ILLEGAL
(Note 9)
Nop
Enter idle after t
RP
ILLEGAL
ILLEGAL
Nop
Enter idle after t
RCD
Nop
Enter idle after t
RCD
ILLEGAL
Pre-charging
ILLEGAL
(Note 9)
ILLEGAL
(Note 9, 16)
ILLEGAL
(Note 9)
ILLEGAL
ILLEGAL
Row
Activating
Remark
H = High level, L = Low level, X = High or Low level (Don't care), AP = Auto Pre-charge
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