MB3773
■ TYPICAL CHARACTERISTIC CURVES (Continued)
Fig. 14 - Reset time vs.
temperature
Fig. 15 - Watch dog timer watching
time vs. temperature
(At watch dog timer)
16
VCC = 5V
CT = 0.1µF
3
2
VCC = 5V
CT = 0.1µF
14
12
10
8
1
0
6
4
0
-40 -20
0
20 40 60 80 100
-40 -20
0
20 40 60 80 100
Temperature Ta (°C)
Temperature Ta (°C)
Fig. 18 - Terminal capacitance vs.
watch dog timer watching time
Fig. 16 - Terminal capacitance
vs. rising reset hold time
Fig. 17 - Terminal capacitance
vs. reset time
(at watch dog timer)
102
106
106
105
104
103
105
104
101
103
Ta = -40°C
Ta=
25°C,
85°C
102
102
Ta = -40°C
100
101
101
Ta =
-40°C
Ta = 25°C,
Ta = 25°C
10-1
100
100
85°C
85°C
10-1
10-2
10-3
10-1
10-2
10-3
10-2
10-3
10-3
101 102
100
10-1
10-2
10-2
102
10-3
10-1
100 101
101102
10-3 10-2 10-1100
Terminal capacitance CT (µF)
Terminal capacitance CT (µF)
Terminal capacitance CT (µF)
9
FUJITSU [ FUJITSU ]
