MAX6370KA+T by Analog Devices

Pin-Selectable Watchdog Timers


The MAX6369–MAX6374 are pin-selectable watchdog timers that supervise microprocessor (µP) activity and signal when a system is operating improperly. During normal operation, the microprocessor should repeatedly toggle the watchdog input (WDI) before the selected watchdog timeout period elapses to demonstrate that the system is processing code properly. If the µP does not provide a valid watchdog input transition before the timeout period expires, the supervisor asserts a watchdog (active-low WDO) output to signal that the system is not executing the desired instructions within the expected time frame. The watchdog output pulse can be used to reset the µP or interrupt the system to warn of processing errors. The MAX6369–MAX6374 are flexible watchdog timer supervisors that can increase system reliability through notification of code execution errors. The family offers several pin-selectable watchdog timing options to match a wide range of system timing applications: Watchdog startup delay: provides an initial delay before the watchdog timer is started. Watchdog timeout period: normal operating watchdog timeout period after the initial startup delay. Watchdog output/timing options: open drain (100ms) or push-pull (1ms). The MAX6369-MAX6374 operate over a +2.5V to +5.5V supply range and are available in miniature 8-pin SOT23 packages.

Where to Buy

Prices starting from US$2.15

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Features

Precision Watchdog Timer for Critical µP Applications
Pin-Selectable Watchdog Timeout Periods
Pin-Selectable Watchdog Startup Delay Periods
Ability to Change Watchdog Timing Characteristics Without Power Cycling
Open-Drain or Push-Pull Pulsed Active-Low Watchdog Output
Watchdog Timer Disable Feature
+2.5V to +5.5V Operating Voltage
8µA Low Supply Current
No External Components Required
Miniature 8-Pin SOT23 Package
AEC-Q100 Qualified (MAX6369KA/V+ and MAX6374KA/V+ Only)

Specifications

Watchdog Feature Input (WDI)Input/Output (WDI/WDO)Pin SelectableWatchdog Only
Watchdog Timeout 1s to 2s<1s>2sAdjustable
Watchdog Startup Delay (min) <60s
Watchdog Output Push-Pull
ICC (µA) (max) 20
Package/Pins SOT23/8
Oper. Temp. (°C) -40 to +850 to +70
BudgetaryPrice (See Notes) 1.92


MAX6370KA+T Power Management ICs - PMIC by Analog Devices

MPU SUPERVISOR 5.5V SOT-23-8

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Threshold Voltage -
No. of Supervisors / Monitors 1Monitors
Supply Voltage Min 2.5V
Supply Voltage Max 5.5V
Reset Type Active-Low Push-Pull
Digital IC Case SOT-23
No. of Pins 8Pins
Delay Time 300ms
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard -
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

MPU SUPERVISOR, 5.5V, SOT-23-8 | element14
Pin-Selectable Watchdog Timers | Analog Devices
Mpu Supervisor, 5.5V, Sot-23-8 | Newark Electronics

Frequently Asked Questions

Where can I find additional details, specifications and documents for a MAX6370KA+T ?

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Is the MAX6370KA+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

Which authorised distributors for MAX6370KA+T have stock available?

Authorised distributors including element14, Farnell, Analog Devices and Newark Electronics have stock available or on a lead time for MAX6370KA+T .

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