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マキシム > ソリューション > オートモーティブ

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    コンデンサ可変ナノパワー監視回路
MAX16056, MAX16057, MAX16058, MAX16059
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
QV  PDF 5ピン、マイクロプロセッサ監視回路、ウォッチドッグタイマおよびマニュアルリセット付
MAX823, MAX823L, MAX823M, MAX823R, MAX823S, MAX823T, MAX823Y, MAX823Z, MAX824, MAX824L, MAX824M, MAX824R, MAX824S, MAX824T, MAX824Y, MAX824Z, MAX825, MAX825L, MAX825M, MAX825R, MAX825S, MAX825T, MAX825Y, MAX825Z

業界初、ウォッチドッグおよびマニュアルリセット付きSOTリセットIC



Key Specifications:   Supervisors (1 Monitored Voltage)
Part Number Reset Threshold Range (V) Active-Low Reset Output Active-High Reset Output Min. Reset Timeout Range Watchdog Feature Nom. Watchdog Timeout Range Supervisor Features Reset Thresh. Acc. (% @+25°C) Max. ICC (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 39
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 39
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 37
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 37
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 2 10
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 2 10
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 2 10
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 2 10
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 		 -  2 10
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 		 -  2 10
MAX823  1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull  -  85ms to 300ms Input (WDI) 1s to 2s Manual Reset  -  24
MAX824  1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull Push-Pull 85ms to 300ms Input (WDI) 1s to 2s  -   -  24
MAX825  1.8 to 2.5
2.5 to 3.3
3.3 to 5.5 		Push-Pull Push-Pull 85ms to 300ms No Watchdog  -  Manual Reset  -  12
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 45
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 45
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 12
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. ICC (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 39
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 39
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 37
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 37
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 2 10
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 2 10
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. ICC (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 39
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 39
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 37
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 37
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. ICC (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 20 Automotive - General SOT/8 9 -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 20 Automotive - General SOT/8 9 -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 20 Automotive - General SOT/8 9 -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 20 Automotive - General SOT/8 9 -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 20 Automotive - General SOT/8 9 -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 20 Automotive - General SOT/8 9 -40 to +85
0 to +70
See All Watchdog Timers (7)
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