參數(shù)資料
型號: MB90F884A
廠商: Fujitsu Limited
英文描述: 16-Bit Proprietary Microcontroller
中文描述: 16位微控制器專有
文件頁數(shù): 66/75頁
文件大小: 1083K
代理商: MB90F884A
MB90880 Series
66
(14) Chip select output timing
(V
CC
=
2.7 V to 3.6 V, V
SS
=
0.0 V, T
A
=
40
°
C to
+
85
°
C)
*: t
CP
is the cycle time for the internal operation clock. Refer to (1) “Clock timing ratings”.
Note : The chip select output signal changes simultaneously due to the internal bus configuration; therefore, this
may generate a bus wait. AC cannot be warranted between the ALE output signal and the chip select output
signal.
Parameter
Symbol
Pin name
Conditions
Value
Unit
Min
Max
Chip select output valid time
RD
Chip select output valid time
WR
RD
Chip select output valid time
WR
Chip select output valid time
t
SVRL
CS0 to CS3,
RD
t
CP
*
/
2
7
ns
t
SVWL
CS0 to CS3,
WRH, WRL
t
CP
*
/
2
7
ns
t
RHSV
RD,
CS0 to CS3
t
CP
*
/
2
17
ns
t
WHSV
WRH, WRL,
CS0 to CS3
t
CP
*
/
2
17
ns
t
S
VRL
t
S
VWL
t
WH
S
V
t
RH
S
V
0.
8
V
0.
8
V
2.4 V
2.4 V
2.4 V
2.4 V
0.
8
V
0.
8
V
RD
A2
3
to A16
C
S
0 to C
S3
D15 to D00
WRH, WRL
D15 to D00
Read data
Write data
Un-
defined
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