MB3773 Datasheet, PDF (10/31 Pages) Fujitsu Component Limited. – Power Supply Monitor with Watch-Dog Timer

7.2 AC Characteristics
Parameter
Symbol
Condition
V_CC input pulse width
T_PI
5V
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
T_WR
—
C_T = 0.1 μF
C_T = 0.1 μF
Rising reset hold time
T_PR
C_T = 0.1 μF, V_CC
Output propagation
delay time from VCC
Output rising time*
Output falling time*
T_PD1
T_PD2
t_R
t_F
RESET, R_L = 2.2 kΩ,
C_L = 100 pF
RESET, R_L = 2.2 kΩ,
C_L = 100 pF
R_L = 2.2 kΩ,
C_L = 100 pF
R_L = 2.2 kΩ,
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
—
— μs
3.0
—
— μs
20
—
— μs
5
10
15 ms
1
2
3
ms
50
100 150 ms
—
2
10
μs
—
3
10
—
1.0 1.5
μs
—
0.1 0.5
Document Number: 002-08513 Rev. *A
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