MAX6814XK+T

5-Pin Watchdog Timer Circuit, SC70-5, 4μA Operating Current, 1.6s Timeout, Fully Specified, No External Components

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Price:: US $0.80~1.20 / piece [Get Latest Price]

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PartNumber:: MAX6814XK+T

Brand:: Maxim Integrated Products - Maxim | Pack: SC | D/C: 11+

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Products Upload time: 2011-09-26

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Product Summary

The MAX6814XK+T is a low-power watchdog circuit in a tiny 5-pin SC70 package. The MAX6814XK+T improves system reliability by monitoring the system for software code execution errors. When the watchdog input detects a transitional edge, the internal watchdog timer clears and restarts, then begins counting again. If the watchdog timer exceeds the watchdog timeout period (1.6s typ), the active-low, push-pull watchdog output asserts for the mwatchdog pulse period (140ms min) to alert the system of the fault. The MAX6814XK+T consumes only 4μA of supply current and is fully specified over the extended temperature range.

Parametrics

MAX6814XK+T absolute maximum ratings: (1)VCC: -0.3V to +6.0V; (2)All Other Pins: -0.3V to (VCC + 0.3V); (3)Input Current, WDI: 20mA; (4)Output Current, WDO: 20mA; (5)Continuous Power Dissipation (TA = +70℃), 5-Pin SC70 (derate 3.1mW/℃ above +70℃): 247mW; (6)Operating Temperature Range: -40℃ to +85℃; (7)Storage Temperature Range: -65℃ to +150℃; (8)Junction Temperature: +150℃; (9)Lead Temperature (soldering, 10s): +300℃.

Features

MAX6814XK+T features: (1)4μA Operating Current; (2)Watchdog Timer with 1.6s Timeout; (3)140ms (min) WDO Pulse Period; (4)Push-Pull Active-Low WDO; (5)Fully Specified Over Extended Temperature Range; (6)No External Components.