MB82D01171B Fujitsu Microelectronics, Inc., MB82D01171B Datasheet - Page 9

• Manufacturer Part Number: MB82D01171B
• Description: 16 Mbit 1 M Word ? ? ? ? 16 Bit Mobile Phone Application Specific Memory
• Manufacturer: Fujitsu Microelectronics, Inc.

(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 : If write operation is terminated by WE followed by CE1
*10 : 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 from 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
In case OE is disabled after t
In other words, read operation is initiated if t
actual t
equal or greater than 15 ns.
In case CE1 is brought to High before satisfaction of t
by t
actual value from specified minimum value.
OHCL
CW
WRC
and t
OE
and t
OEH
(Min) must be satisfied if read operation is not performed prior to write operation.
OEH[ABS]
. If actual value is shorter than specified minimum value, t
AS
Parameter
is specified from end of t
WP
and 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.
WP
must be equal or greater than 60 ns. For example, if actual t
OHCL
WC
(Min) , WE Low must be asserted after t
Symbol
(Min). The t
t
OEH[ABS]
t
t
t
t
t
OHAH
OHCL
t
t
t
t
t
t
t
t
t
t
t
t
WRC
t
t
t
OES
OEH
WC
WS
WH
CW
WP
WR
AH
CS
CH
BH
DS
DH
CP
AS
BS
OHCL
OEH
MB82D01171B
(Min) is not satisfied.
Min
80
35
25
12
45
45
20
20
15
10
-60L/-60LL
0
0
0
0
0
0
0
(Min) is a reference value when access time is determined
5
5
5
5
WR
(Min) , the t
High, the sum of actual t
1000
1000
1000
1000
1000
Max
OE
become longer by the amount of subtracting
CW
(or t
WRC
Min
90
40
35
15
50
50
20
20
20
12
-70L/-70LL
0
0
0
0
0
0
0
5
5
5
5
WP
(Min) is also applied.
RC
) and t
(Min) from CE1 Low.
WP
1000
1000
1000
1000
1000
Max
-60L/-60LL/-70L/-70LL
is 45 ns, t
WRC
CS
and t
(or t
Unit
WR
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
WP
CS
) .
, and the sum of
and t
*1
*2, *9
*2
*9
*3
*3, *4
*5
*6
*7
*1, *8
*1, *8, *9
*1, *10
*1, *3, *10
*10
AS
Notes
must be
9