參數(shù)資料
型號: MB81ES653225
廠商: Fujitsu Limited
英文描述: Consumer/Embedded Application Specific Memory for SiP
中文描述: 消費/嵌入式SIP應用程序特定的內存
文件頁數(shù): 8/44頁
文件大小: 485K
代理商: MB81ES653225
MB81ES653225-12/-12L
8
4.
OPERATION COMMAND TABLE (single bank operation) *
1
Current
State
(Continued)
CS
RAS
CAS
WE
Address
Command
Function
Idle
H
X
X
X
X
DESL
NOP
L
H
H
H
X
NOP
L
H
H
L
X
BST
L
H
L
H
BA, CA, AP
READ/READA
Illegal
*
2
L
H
L
L
BA, CA, AP
WRIT/WRITA
L
L
H
H
BA, RA
ACTV
Bank Active after t
RCD
L
L
H
L
BA, AP
PRE/PALL
NOP
*
5
L
L
L
H
X
REF/SELF
Auto-refresh or Self-refresh
*
3,
*
6
L
L
L
L
MODE
MRS
Mode Register Set
(Idle after t
RSC
) *
3,
*
7
Bank Active
H
X
X
X
X
DESL
NOP
L
H
H
H
X
NOP
L
H
H
L
X
BST
L
H
L
H
BA, CA, AP
READ/READA Begin Read; Determine AP
L
H
L
L
BA, CA, AP
WRIT/WRITA
Begin Write; Determine AP
L
L
H
H
BA, RA
ACTV
Illegal
*
2
L
L
H
L
BA, AP
PRE/PALL
Precharge; Determine Precharge
Type
L
L
L
H
X
REF/SELF
Illegal
L
L
L
L
MODE
MRS
Read
H
X
X
X
X
DESL
NOP (Continue Burst to End
Bank Active)
L
H
H
H
X
NOP
L
H
H
L
X
BST
Burst Stop
Bank Active
Terminate Burst, New Read;
Determine AP
L
H
L
H
BA, CA, AP
READ/READA
L
H
L
L
BA, CA, AP
WRIT/WRITA
Terminate Burst, Start Write;
Determine AP
*
4
L
L
H
H
BA, RA
ACTV
Illegal
*
2
Terminate Burst, Precharge
Idle
L
L
H
L
BA, AP
PRE/PALL
L
L
L
H
X
REF/SELF
Illegal
L
L
L
L
MODE
MRS
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