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參數(shù)資料
| 型號： | MM1075 |
| 廠商： | MITSUMI ELECTRIC |
| 英文描述： | System Reset (with built-in watchdog timer) Monolithic IC |
| 中文描述： | 系統(tǒng)復(fù)位（內(nèi)置看門狗定時器）單片集成電路 |
| 文件頁數(shù)： | 8/10頁 |
| 文件大小： | 241K |
| 代理商： | MM1075 |
MITSUMI
System Reset (with built-in watchdog timer) MM1075
(raising detection voltage)
Detection Voltage Adjustment 2
Detection voltage can be changed by
connecting resistor R1 externally to
MM1075 V
S
pin. Determine R1 according
to graph 2 when changing V
S
.
Vs pin external resistance
(R1) (k
)
V
SL
value
4.0
3.5
3.0
100 200
300
400 500
600
D
(
S
)
V
SH
value
Graph 2. Detection voltage change using MM1075
external resistor
Characteristics
V
SH
V
SL
4.50
4.40
4.30
4.20
4.10
4.00
3.90
-
40
-
20 0 20 40 60 80 100
Ambient temperature Ta (
°
C)
D
Ta=
-
25
°
C
Ta=25
°
C
Ta=75
°
C
7.0
6.0
5.0
4.0
3.0
2.0
1.0
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Power supply voltage
V
CC
(V)
O
V
R
PULL UP resistance 2.2k
Output voltage-Power supply
voltage (RESET pin)
D
etection voltage (V
SL
, V
SH
) temperature
(RESET, RESET
pins)
7.0
6.0
5.0
4.0
3.0
2.0
1.0
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Power supply voltage
V
CC
(V)
Ta=20
°
C, 25
°
C, 75
°
C
P
C
PULL UP resistance 10k
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0
Power supply voltage
V
CC
(V)
P
C
Clock pulse input time
Power supply current-Power supply
voltage
Output voltage-Power supply voltage
(RESET pin)
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