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Part Number: MAX6814
Description: The MAX6814 is a low-power watchdog circuit in a tiny 5- in SC70 package. This device improves system ...
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MAX6814
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General Description
MAX6814 General Description
The MAX6814 is a low-power watchdog circuit in a tiny 5- in SC70 package. This device improves system reliability y monitoring the system for software code execution rrors. When the watchdog input detects a transitional dge, the internal watchdog timer clears and restarts, hen begins counting again. If the watchdog timer xceeds the watchdog timeout period (1.6s typ), the ctive-low, push-pull watchdog output asserts for the atchdog pulse period (140s min) to alert the system of he fault.
The MAX6814 consumes only 4A of supply current and s fully specified over the extended temperature range.
MAX6814 Maximum Ratings
VCC.......................................................................-0.3V to +6.0V
All Other Pins..............................................-0.3V to (VCC + 0.3V)
Input Current, WDI ............................................................20mA
Output Current, WDO.........................................................20mA
Continuous Power Dissipation (TA = +70)
5-Pin SC70 (derate 3.1mW/ above +70)...................247mW
Operating Temperature Range ...........................-40 to +85
Storage Temperature Range .............................-65 to +150
Junction Temperature......................................................+150
Lead Temperature (soldering, 10s) ................................+300
Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional peration of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to bsolute maximum rating conditions for extended periods may affect device reliability.
MAX6814 Features
` 4A Operating Current
` Watchdog Timer with 1.6s Timeout
` 140ms (min) WDO Pulse Period
` Push-Pull Active-Low WDO
` Fully Specified Over Extended Temperature ange
` No External Components
` Watchdog Timer with 1.6s Timeout
` 140ms (min) WDO Pulse Period
` Push-Pull Active-Low WDO
` Fully Specified Over Extended Temperature ange
` No External Components
MAX6814 Typical Application
`Computers and Controllers
`Embedded Controllers
`Intelligent Instruments
`Automotive Systems
`Critical P Monitoring
`Embedded Controllers
`Intelligent Instruments
`Automotive Systems
`Critical P Monitoring
MAX6814 Connection Diagram
MAX6814
PDF/DataSheet Download
- Datasheet: MAX6814
- File Size: 113404 KB
- Manufacturer: Maxim
- Click here to Download
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