mm1075 Mitsumi Electronics, Corp., mm1075 Datasheet - Page 8

• Manufacturer Part Number: mm1075
• Description: Ic For System Reset With Built-in Watchdog Timer
• Manufacturer: Mitsumi Electronics, Corp.

MITSUMI
Detection Voltage Adjustment 2
Characteristics
Power supply current-Power supply
voltage
Output voltage-Power supply
voltage (RESET pin)
Detection voltage can be changed by
connecting resistor R1 externally to
MM1075 V
to graph 2 when changing V
7.0
6.0
5.0
4.0
3.0
2.0
1.0
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
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
Power supply voltage
PULL UP resistance 2.2kΩ
Power supply voltage
Ta=25
Ta=75
Ta=-25
S
pin. Determine R1 according
°
°
C
C
V
°
C
V
CC
CC
Clock pulse input time
(V)
(V)
S
.
(raising detection voltage)
IC for System Reset (with built-in watchdog timer) MM1075
Graph 2. Detection voltage change using MM1075
Output voltage-Power supply voltage
(RESET pin)
Detection voltage (V
(RESET, RESET
4.50
4.40
4.30
4.20
4.10
4.00
3.90
7.0
6.0
5.0
4.0
3.0
2.0
1.0
4.0
3.5
3.0
Ambient temperature Ta (°C)
external resistor
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-40-20 0 20 40 60 80 100
1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
100 200 300 400 500 600
Power supply voltage
Vs pin external resistance
PULL UP resistance 10kΩ
pins)
Ta=20
V
CC
SL
(R1) (kΩ)
, V
(V)
°
C, 25
SH
) temperature
V
V
V
SH
°
SH
C, 75
SL
V
SL
value
value
°
C