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Watchdog

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Key Advantages

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µP Supervisory Circuits with Windowed (Min/Max) Watchdog and Manual Reset
MAX6323, MAX6324

Industry's-First µP Supervisory with Windowed Watchdog and Manual Reset

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Pin-Selectable Watchdog Timers
MAX6369, MAX6370, MAX6371, MAX6372, MAX6373, MAX6374

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)

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

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	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-23/8	-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	20	Automotive - General	SOT-23/8	-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	20	Automotive - General	SOT-23/8	-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	20	Automotive - General	SOT-23/8	-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	20	Automotive - General	SOT-23/8	-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	20	Automotive - General	SOT-23/8	-40 to +85 0 to +70
See All Watchdog Timers (7)