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(yīng)用程序特定的內(nèi)存
文件頁數(shù): 7/44頁
文件大?。?/td> 485K
代理商: MB81ES653225
MB81ES653225-12/-12L
7
2.
DQM TRUTH TABLE
*1 : i
=
0, 1, 2, 3
*2 : DQM
0
for DQ
7
to DQ
0
, DQM
1
for DQ
15
to DQ
8
, DQM
2
for DQ
23
to DQ
16
, DQM
3
for DQ
31
to DQ
24
3.
CKE TRUTH TABLE *
1
*1 : Address : A
12
to A
0
@128 page length mode
: A
13
to A
0
@64 page length mode
: A
14
to A
0
@32 page length mode
*2 : The CSUS command requires that at least one bank is active. Refer to “
STATE DIAGRAM”.
*3 : REF, SELF, DP and DPD commands should only be issued after all banks have been precharged
(PRE or PALL command) . Refer to “
STATE DIAGRAM”.
*4 : SELF, PD and DPD commands should only be issued after the last read data have been appeared on DQ.
*5 : CKE should be held high within one t
RC
period after t
CKSP
.
Function
Symbol
CKE
DQMi
*1, *2
n-1
n
Data Write/Output Enable
ENBi
*
1
H
X
L
Data Mask/Output Disable
MASKi
*
1
H
X
H
Current State
Function
Command
CKE
CS
RAS CAS
WE
BA
A
10
(AP)
Address
(Except
for A
10
)
n-1
n
Bank Active
Clock Suspend
Mode Entry
*
2
CSUS
H
L
X
X
X
X
X
X
X
Any
(Except Idle)
Clock Suspend
Continue
*
2
L
L
X
X
X
X
X
X
X
Clock Suspend
Clock Suspend
Mode Exit
L
H
X
X
X
X
X
X
X
Idle
Auto-refresh
Command
*
3
REF
H
H
L
L
L
H
X
X
X
Idle
Self-refresh Entry
*
3,
*
4
SELF
H
L
L
L
L
H
X
X
X
Self Refresh
Self-refresh Exit
*
5
SELFX
L
H
L
H
H
H
X
X
X
L
H
H
X
X
X
X
X
X
Idle
Power Down Entry
*
3,
*
4
PD
H
L
L
H
H
H
X
X
X
H
L
H
X
X
X
X
X
X
Power Down
Power Down Exit
PDX
L
H
L
H
H
H
X
X
X
L
H
H
X
X
X
X
X
X
Idle
Deep Power Down
Entry
*
3,
*
4
DPD
H
L
L
H
H
L
X
X
X
Deep Power
Down
Deep Power Down
Exit
DPDX
L
H
L
H
H
H
X
X
X
L
H
H
X
X
X
X
X
X
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