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Номер в каталоге
Компоненты Описание
MB3773 Просмотр технического описания (PDF) - Fujitsu
Номер в каталоге
Компоненты Описание
производитель
MB3773
Power Supply Monitor with Watch-Dog Timer
Fujitsu
MB3773 Datasheet PDF : 29 Pages
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(2)AC Characteristics
Parameter
Symbol
Condition
V
CC
input pulse width
5V
T
PI
V
CC
4 V
CK input pulse width
T
CKW
CK
or
CK input frequency
Watch-dog timer watching time
Watch-dog timer reset time
T
CK
⎯
T
WD
C
T
=
0.1
µ
F
T
WR
C
T
=
0.1
µ
F
Rising reset hold time
T
PR
C
T
=
0.1
µ
F, V
CC
Output propagation
delay time from V
CC
Output rising time*
Output falling time*
T
PD1
RESET, R
L
=
2.2 k
Ω
,
C
L
=
100 pF
T
PD2
RESET, R
L
=
2.2 k
Ω
,
C
L
=
100 pF
t
R
R
L
=
2.2 k
Ω
,
C
L
=
100 pF
t
F
R
L
=
2.2 k
Ω
,
C
L
=
100 pF
* : Output rising/falling time are measured at 10
%
to 90
%
of voltage.
MB3773
(
V
CC
=
5 V, Ta
=
+
25
°
C)
Value
Unit
Min Typ Max
8.0
⎯ ⎯ µ
s
3.0
⎯ ⎯ µ
s
20
⎯ ⎯ µ
s
5
10 15 ms
1
2
3 ms
50 100 150 ms
⎯
2 10
µ
s
⎯
3 10
⎯
1.0 1.5
µ
s
⎯
0.1 0.5
9
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