FUJITSU MB3773 - Manual (Page 12)

MB3773
12
(Continued)
3
2
1
0
− 40 − 20 20 0 40 60 80 100
C T
= 0.1 µ F
V CC
= 5 V
−
40
−
20 20 0 40 60 80 100
16
14
12
10
8
6
4
0
C T
=
0.1
µ
F
V CC
= 5 V
10 6
10 5
10 4
10 3
10 2
10 1
10 0
10 − 1
10 − 2
10 − 3
10 − 3 10 − 2 10 − 1 10 0 10 1 10 2
Ta = − 40 ° C
Ta =
+ 25 ° C + 85 ° C
10 − 3 10 − 2 10 − 1 10 0 10 1 10 2
10 2
10 1
10 0
10 − 1
10 − 2
10 − 3
Ta = + 25 ° C
+
85
°
C
Ta =
− 40 ° C
10 6
10 5
10 4
10 3
10 2
10 1
10 0
10 − 1
10 − 2
10 − 3
10 − 3 10 − 2 10 − 1 10 0 10 1 10 2
Ta = − 40 ° C
Ta
= +
25
°
C + 85 ° C
C
T
terminal capacitance
vs. Rising reset hold time
Watchdog timer watching time
vs. Temperature
Temperature Ta (
°
C)
Reset time vs.
Temperature
Temperature Ta (
°
C)
C
T
t erminal capacitance C
T
(
µ
F)
(At watch dog timer)
C
T
terminal capacitance
vs. Reset time
C
T
terminal capacitance
vs.
Watchdog timer watching time
C
T
t erminal capacitance C
T
(
µ
F)
(at watch dog timer)
C
T
t erminal capacitance C
T
(
µ
F)
Reset time T
WR
(ms)
Watch dog timer
watching time T
WD
(ms)
Rising reset hold time T
PR
(ms)
Reset time T
WR
(ms)
Watch dog timer
watching time T
WD
(ms)