MB81ES171625 Fujitsu Media Devices Limited, MB81ES171625 Datasheet - Page 10

• Manufacturer Part Number: MB81ES171625
• Description: SINGLE DATA RATE I/F FCRAM Consumer/Embedded Application Specific Memory for SiP
• Manufacturer: Fujitsu Media Devices Limited

10
MB81ES171625/173225-15-X
4. Operation Command Table (Applicable to single bank)
Idle
Bank Active
Read
Current
State
XCS XRAS XCAS XWE
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
BA, CA, AP READ/READA
BA, CA, AP
BA, CA, AP READ/READA Begin Read; Determine AP
BA, CA, AP
BA, CA, AP READ/READA
BA, CA, AP
BA, RA
BA, RA
BA, RA
BA, AP
BA, AP
BA, AP
MODE
MODE
MODE
Addr
AP
AP
AP
X
X
X
X
X
X
X
X
X
X
X
X
WRIT/WRITA
WRIT/WRITA
WRIT/WRITA
Command
REF/SELF
REF/SELF
REF/SELF
DESL
ACTV
DESL
ACTV
DESL
ACTV
PALL
PALL
PALL
NOP
MRS
NOP
MRS
NOP
MRS
PRE
PRE
PRE
BST
BST
BST
NOP
NOP *
Illegal *
Bank Active after t
NOP
NOP *
Auto-refresh or Self-refresh *
Mode Register Set
NOP
Begin Write; Determine AP
Illegal *
Precharge
Precharge *
Illegal
Continue Burst to End
Burst Stop
Terminate Burst, New Read;
Determine AP
Terminate Burst, Start Write;
Determine AP *
Illegal *
Terminate Burst, Precharge
Terminate Burst, Precharge
Illegal
(Idle after t
1
1
2
2
2
RSC
1
Function
Bank Active
) *
4
3,
RCD
*
6
Bank Active
(Continued)
3,
*
Idle *
5
Idle
1