工業用：プロセス計測および制御



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マキシム > ソリューション > 工業用：プロセス計測および制御

ウォッチドッグタイマ

データシート

表示

タイトル/製品

主な特長

QV PDF

可変タイムアウト遅延付き、高電圧ウォッチドッグタイマ
MAX16997, MAX16998

消費電流がわずか18µAの超高入力電圧ウォッチドッグ

QV PDF

独立したウォッチドッグ出力付き、シングル/デュアル/トリプル電圧µP監視回路
MAX6730A, MAX6731A, MAX6732A, MAX6733A, MAX6734A, MAX6735A

最低0.63Vまで監視する独立したウォッチドッグ出力モニタ付き、シングル/デュアル/トリプル電圧µP監視回路

QV PDF

シングル/デュアル/トリプル電圧、独立ウォッチドッグ出力付き、µP監視回路
MAX6730, MAX6731, MAX6732, MAX6733, MAX6734, MAX6735

最低0.63Vまで監視する独立したウォッチドッグ出力モニタ付き、シングル/デュアル/トリプル電圧µP監視回路

QV PDF

コンデンサ可変リセット/ウォッチドッグタイムアウト遅延付き、µPリセット回路
MAX6746, MAX6747, MAX6748, MAX6749, MAX6750, MAX6751, MAX6752, MAX6753

QV PDF

ウィンドウ型(Min/Max)ウォッチドッグおよびマニュアルリセット付き、µP監視回路
MAX6323, MAX6324

業界初、ウィンドウ型ウォッチドックおよびマニュアルリセット付き、µP監視回路

QV PDF

ピン選択可能なウォッチドッグタイマ
MAX6369, MAX6370, MAX6371, MAX6372, MAX6373, MAX6374

QV PDF

ウォッチドッグおよびマニュアルリセット付き、5ピン、µP監視回路
MAX6316, MAX6316M, MAX6317, MAX6318, MAX6319, MAX6320, MAX6321, MAX6322

多目的、カスタマイズ可能なSOTリセット + ウォッチドッグIC、3,224の個別オプションを提供

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

MAX6323

2.5 to 3.3
3.3 to 5.5

Push-Pull

85ms to 300ms

Input/Output (WDI/WDO)
Windowed

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

Manual Reset

1.5

MAX6324

2.5 to 3.3
3.3 to 5.5

Open Drain

85ms to 300ms

Input/Output (WDI/WDO)
Windowed

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

Manual Reset

1.5

MAX6316M

2.5 to 3.3
3.3 to 5.5

Bidirectional

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

Input (WDI)

1s to 2s
<1s
>2s

Manual Reset

1.5

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)

Key Specifications: Watchdog Timers

Part Number

Watchdog Feature

Nom. Watchdog Timeout Range

Min. Watchdog Startup Delay

Watchdog Output

Max. I_CC (µA)

Industry Qualified

Package

Smallest Available Package (max w/pins) (mm²)

Operating Temp. Range (°C)

MAX6369

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

<60s

Open-Drain

Automotive - General

SOT/8

-40 to +85
0 to +70

MAX6370

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

<60s

Push-Pull

Automotive - General

SOT/8

-40 to +85
0 to +70

MAX6371

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

60s

Open-Drain

Automotive - General

SOT/8

-40 to +85
0 to +70

MAX6372

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

60s

Push-Pull

Automotive - General

SOT/8

-40 to +85
0 to +70

MAX6373

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

>60s

Open-Drain

Automotive - General

SOT/8

-40 to +85
0 to +70

MAX6374

Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only

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

>60s

Push-Pull

Automotive - General

SOT/8

-40 to +85
0 to +70

See All Watchdog Timers (7)