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看门狗

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QV PDF

单/双/三电压微处理器监控电路，带有独立的看门狗输出
MAX6730A, MAX6731A, MAX6732A, MAX6733A, MAX6734A, MAX6735A

单/双/三电压µP监控电路，具有独立的看门狗输出，可监视低至0.63V的电压

QV PDF

单/双/三电压微处理器监控电路，带有独立的看门狗输出
MAX6730, MAX6731, MAX6732, MAX6733, MAX6734, MAX6735

单/双/三电压µP监控电路，具有独立的看门狗输出，可监视低至0.63V的电压

QV PDF

微处理器复位电路，提供电容可调的复位/看门狗延迟时间
MAX6746, MAX6747, MAX6748, MAX6749, MAX6750, MAX6751, MAX6752, MAX6753

Key Specifications: Supervisors (1 Monitored Voltage)

Part Number

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Nom. Watchdog Timeout Range

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6730A

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Manual Reset

2.5

MAX6731A

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Manual Reset

2.5

MAX6730

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Manual Reset

2.5

MAX6731

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Manual Reset

2.5

MAX6746

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Manual Reset

MAX6747

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Manual Reset

MAX6748

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Adjustable Reset Input

MAX6749

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Adjustable Reset Input

MAX6752

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)
Windowed

1s to 2s
<1s
>2s
Adjustable

MAX6753

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)
Windowed

1s to 2s
<1s
>2s
Adjustable

See All Supervisors (1 Monitored Voltage) (270)

Key Specifications: Supervisors (2 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Nom. Watchdog Timeout Range

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6732A

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

2.5

MAX6733A

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

2.5

MAX6732

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

2.5

MAX6733

Factory Fixed

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

2.5

MAX6750

Factory Fixed
R/C Adjustable

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Adjustable Reset Input

MAX6751

Factory Fixed
R/C Adjustable

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
300ms to 1s
<1ms
>1s
Adjustable

Cap Adjustable
Input (WDI)

1s to 2s
<1s
>2s
Adjustable

Adjustable Reset Input

See All Supervisors (2 Monitored Voltages) (84)

Key Specifications: Supervisors (3 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Min. Reset Timeout Range

Watchdog Feature

Nom. Watchdog Timeout Range

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

MAX6734A

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Adjustable Reset Input
Manual Reset

2.5

MAX6735A

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Adjustable Reset Input
Manual Reset

2.5

MAX6734

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Adjustable Reset Input
Manual Reset

2.5

MAX6735

Factory Fixed
R/C Adjustable

0 to 1.2
1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Push-Pull

1ms to 15ms
15ms to 85ms
85ms to 300ms
>1s

Extended Setup Period
Input (WDI)
Input/Output (WDI/WDO)

1s to 2s
>2s

Adjustable Reset Input
Manual Reset

2.5

See All Supervisors (3 Monitored Voltages) (32)