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マキシム > ソリューション > ディスプレイ：産業向け、フロントパネル、および計器

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 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 Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
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
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) (274)

Key Specifications:  Supervisors (2 Monitored Voltages)
Part Number Interface Reset Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
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 Thresh.
(V)		 Reset Out tRESET Watchdog Feature Watchdog Timeout Supervisor Features Reset Thresh. Accur.
(%)		 ICC
(µA)
Active Low min @ +25°C max
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  Push-Pull
See All Supervisors (3 Monitored Voltages) (32)

Key Specifications:  Watchdog Timers
Part Number Watchdog Feature Watchdog Timeout Watchdog Startup Delay Watchdog Output ICC
(µA)		 RoHS Available Industry Qualified Package/Pins Smallest Available Pckg.
(mm2)		 Oper. Temp.
(°C)
min max max w/pins
MAX6369 
Input (WDI)
Input/Output (WDI/WDO)
Pin Selectable
Watchdog Only
1s to 2s
<1s
>2s
Adjustable
 <60s Open-Drain 20 Yes Automotive - General
SOT/8
 9
-40 to +85
0 to +70
MAX6370  <60s Push-Pull
SOT/8
MAX6371  60s Open-Drain
SOT/8
MAX6372  60s Push-Pull
SOT/8
MAX6373  >60s Open-Drain
SOT/8
MAX6374  >60s Push-Pull
SOT/8
See All Watchdog Timers (7)



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