MB81ES171625 Fujitsu Media Devices Limited, MB81ES171625 Datasheet - Page 12

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

12
MB81ES171625/173225-15-X
Precharging
Bank
Activating
Refreshing
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
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
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
H
H
H
H
H
H
H
H
H
X
X
X
X
X
X
L
L
L
L
L
L
L
L
L
L
L
BA, CA, AP READ/READA
BA, CA, AP
BA, CA, AP READ/READA
BA, CA, AP
BA, RA
BA, RA
BA, AP
BA, AP
MODE
MODE
Addr
AP
AP
X
X
X
X
X
X
X
X
X
X
X
X
X
X
READ/READA/
WRIT/WRITA
WRIT/WRITA
WRIT/WRITA
REF/SELF/
Command
REF/SELF
REF/SELF
PRE/PALL
ACTV/
DESL
ACTV
DESL
ACTV
DESL
PALL
PALL
NOP
MRS
NOP
MRS
NOP
MRS
PRE
PRE
BST
BST
BST
Idle after t
Illegal *
NOP *
NOP *
Illegal
Bank Active after t
Bank Active after t
Illegal *
Illegal
Idle after t
Illegal
7
1
2
2
RP
REFC
Function
RCD
RCD
*
1
(Continued)