MB82D01171A Fujitsu Media Devices, MB82D01171A Datasheet - Page 10

• Manufacturer Part Number: MB82D01171A
• Description: 16 Mbit (1 M word x 16 bit) Mobile Phone Application Specific Memory
• Manufacturer: Fujitsu Media Devices

10
MB82D01171A
(2) Write Operation
*1: Minimum value must be equal or greater than the sum of actual t
*2: New write address is valid from either CE1 or WE is brought to High.
*3: Maximum value is applicable if CE1 is kept at Low and both WE and OE are kept at High.
*4: The t
*5: The t
*6: t
*7: Applicable if CE1 stays Low after read operation.
*8: t
*9: t
Write Cycle Time
Address Setup Time
Address Hold Time
CE1 Write Setup Time
CE1 Write Hold Time
WE Setup Time
WE Hold Time
LB and UB Setup Time
LB and UB Hold Time
OE Setup Time
OE Hold Time
OE High to CE1 Low Setup Time
Address Hold Time to OE High
CE1 Write Pulse Width
WE Write Pulse Width
CE1 Write Recovery Time
WE Write Recovery Time
Data Setup Time
Data Hold Time
CE1 High Pulse Width
If actual value is shorter than specified minimum value, t
value from specified minimum value.
In case OE is disabled after t
In other words, read operation is initiated if t
The t
In such case, the t
OHCL
CW
WRC
and t
and t
(Min) must be satisfied if read operation is not performed prior to write operation.
OEH
OEH[ABS]
WR
Parameter
(Min) can be ignored if CE1 is brought to High together or after WE is brought to High.
WP
is specified from end of t
WR
is applicable if write operation is initiated by CE1 and WE, respectively.
is the absolute minimum value if write cycle is terminated by WE and CE1 stays Low.
is applicable if write operation is terminated by CE1 and WE, respectively.
CP
(Min) must be satisfied.
OHCL
-80/80L/80LL/85/85L/85LL/90/90L/90LL
WC
(Min) , WE Low must be asserted after t
Symbol
(Min) and is a reference value when access time is determined by t
t
OEH[ABS]
t
t
t
t
t
OHCL
OHAH
t
t
t
t
t
t
t
t
WRC
t
t
t
t
t
OES
OEH
t
t
WC
WS
WH
CW
WP
WR
AS
AH
CS
CH
BS
BH
DS
DH
CP
OHCL
(Min) is not satisfied.
Min
90
45
45
20
60
60
15
15
20
20
-80/-80L/
0
0
0
0
0
0
0
0
5
5
3
-80LL
OE
1000
1000
1000
1000
1000
Max
become longer by the amount of subtracting actual
CW
Min
90
45
45
20
60
60
15
15
20
20
-85/-85L/
0
0
0
0
0
0
0
0
5
5
3
(or t
-85LL
WP
1000
1000
1000
1000
1000
Max
RC
) and t
(Min) from CE1 Low.
Min
WRC
90
45
45
20
60
60
15
15
20
20
-90/-90L/
0
0
0
0
0
0
0
0
5
5
3
-90LL
(or t
1000
1000
1000
1000
1000
Max
WR
) .
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
*1, *3, *9
Notes
*3, *4
*1, *8
*1, *8
*1, *9
OE
*1
*2
*2
*3
*5
*6
*7
*9
.