參數(shù)資料
型號(hào)： MB90F394H
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller CMOS
中文描述： 16位微控制器專有的CMOS
文件頁(yè)數(shù)： 46/61頁(yè)
文件大?。?/td> 317K
代理商： MB90F394H
MB90390 Series
46
4.
AC Characteristics
(1) Clock Timing
(T
A
=
40
°
C to
+
85
°
C, V
CC
=
3.5 V to 5.5 V, V
SS
=
AV
SS
=
0 V)
Value
Unit
Min
Typ
Max
* : When selecting the PLL clock, the range of clock frequency is limitted. Use this product within range as mentioned
in “
Guaranteed PLL operation range”.
Parameter
Symbol
Pin
Remarks
Oscillation frequency
f
C
X0, X1
3
8
MHz
When using a crystal oscillator
or a ceramic oscilltor*
X0
3
12
MHz
When using an external clock*
Oscillation cycle time
t
CYL
X0, X1
125
333
ns
When using a crystal oscillator
or a ceramic oscillator
X0
83.33
333
ns
When using an external clock
Duty ratio is about 30
%
to
70
%
.
When using external clock
Input clock pulse width
P
WH
, P
WL
X0
20
ns
Input clock rise and fall time
t
CR
, t
CF
X0
5
ns
Machine clock frequency
f
CP
1.5
24
MHz
When using clock modulation,
be sure that the maximum mo-
mentary frequency F
max
does
not exceed 24 MHz. Refer to
the Clock Modulator chapter
of the Hardware Manual.
Machine clock cycle time
t
CP
41.67
666
ns
X0
t
CYL
t
CF
t
CR
0.8 V
CC
0.2 V
CC
P
WH
P
WL
Clock Timing
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