MM1075 查看數據表（PDF） - Mitsumi

零件编号

产品描述 (功能)

生产厂家

MM1075

System Reset (with built-in watchdog timer)

Mitsumi 

MITSUMI

System Reset (with built-in watchdog timer) MM1075

Detection Voltage Adjustment 2 (raising detection voltage)

Graph 2. Detection voltage change using MM1075

external resistor

VSH value

4.0

VSL value

3.5

Detection voltage can be changed by

connecting resistor R1 externally to

MM1075 VS pin. Determine R1 according

to graph 2 when changing VS.

3.0

100 200 300 400 500 600

Vs pin external resistance

(R1) (kΩ)

Characteristics

Power supply current-Power supply

voltage

1.4

1.2

1.0

0.8

0.6

0.4

Clock pulse input time

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

VCC (V)

Output voltage-Power supply

voltage (RESET pin)

PULL UP resistance 2.2kΩ

7.0

6.0

5.0

4.0

3.0

2.0

Ta=-25°C

Ta=25°C

1.0

Ta=75°C

1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0

Power supply voltage

VCC (V)

Output voltage-Power supply voltage

(RESET pin)

PULL UP resistance 10kΩ

7.0

6.0

5.0

Ta=20°C, 25°C, 75°C

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

VCC (V)

Detection voltage (VSL, VSH) temperature

-----------------------------------------------------------------

(RESET, RESET pins)

4.50

4.40

4.30

4.20

4.10

4.00

3.90

VSH

VSL

-40-20 0 20 40 60 80 100

Ambient temperature Ta (°C)

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