參數(shù)資料
型號： MB90P553A
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)： 34/58頁
文件大小： 695K
代理商： MB90P553A
MB90550A/550B Series
34
4.
AC Characteristics
(1) Clock Timing
(V
CC
=
5.0 V
±
10%, V
SS
=
AV
SS
=
0.0 V, T
A
=
40
°
C to +85
°
C)
Value
Unit
Min.
Typ.
Max.
* :The frequency fluctuation rate is the maximum deviation rate of the preset center frequency when the multiplied
PLL signal is locked.
Parameter
Symbol
Pin name
Unit
Oscillation clock
frequency
Oscillation clock
cycle time
Frequency fluctuation rate
locked*
F
C
X0, X1
3
—
16
MHz
t
C
X0, X1
62.5
—
333
ns
f
—
—
—
5
%
Input clock pulse width
P
WH
P
WL
X0
10
—
—
ns
Recommended duty ratio
of 40% to 60%
Input clock rising/falling
time
t
CR
, t
CF
X0
—
—
5
ns
External clock operation
Internal operating clock
frequency
F
CP
—
8.0
—
16
MHz
PLL operation
1.5
—
16
MHz
Main clock operation
Internal operating clock
cycle time
t
CP
—
62.5
—
125
ns
PLL operation
62.5
—
666
ns
Main clock operation
+
+α
fo
α
α
fo
f
=
×
100 (%)
Center frequency
X0, X1 clock timing
X0
t
HCYL
t
CF
P
WH
P
WL
t
CR
0.8 V
CC
0.8 V
CC
0.2 V
CC
0.8 V
CC
0.2 V
CC
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