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MAX699

Maxim
Part Number MAX699
Manufacturer Maxim
Description Low Cost Power-On Reset and Watchdog Controllers
Published May 2, 2005
Detailed Description MAX698/MAX699 Low-Cost, Power-On Reset and Watchdog Controllers General Description The MAX698/MAX699 monitor the +5V ...
Datasheet PDF File MAX699 PDF File

MAX699
MAX699


Overview
MAX698/MAX699 Low-Cost, Power-On Reset and Watchdog Controllers General Description The MAX698/MAX699 monitor the +5V supply in microprocessor (μP) and digital systems.
They supply a RESET pulse of at least 140ms duration on power-up, power-down, and during low-voltage brownout conditions.
Circuit reliability is increased at reduced cost by eliminating all external components and adjustments.
The MAX699 includes all features of the MAX698, but also provides a watchdog input to monitor microprocessor activity.
The RESET output goes low if the watchdog input (WDI) is not toggled within 1 second.
The watchdog feature can be disabled by leaving WDI open.
Both parts are supplied in 8-lead PDIP ...



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