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MAX707

Maxim
Part Number MAX707
Manufacturer Maxim
Description Low-Cost / uP Supervisory Circuits
Published May 2, 2005
Detailed Description Click here for production status of specific part numbers. MAX705–MAX708/MAX813L Low-Cost, μP Supervisory Circuits Gen...
Datasheet PDF File MAX707 PDF File

MAX707
MAX707

Overview
Click here for production status of specific part numbers.
MAX705–MAX708/MAX813L Low-Cost, μP Supervisory Circuits General Description The MAX705–MAX708/MAX813L microprocessor (µP) supervisory circuits reduce the complexity and number of components required to monitor power-supply and battery functions in µP systems.
These devices significantly improve system reliability and accuracy compared to separate ICs or discrete components.
The MAX705/MAX706/MAX813L provide four functions: 1) A reset output during power-up, power-down, and brownout conditions.
2) An independent watchdog output that goes low if the watchdog input has not been toggled within 1.
6 seconds.
3) A 1.
25V threshold detector for power-fail warning, lowbattery detection, or for monitoring a power supply other than +5V.
4) An active-low manual-reset input.
The MAX707/MAX708 are the same as the MAX705/ MAX706, except an active-high reset is substituted for the watchdog timer.
The MAX813L is the same as the MAX705, except RESET is provided instead of RESET.
Two supply-voltage monitor levels are available: The MAX705/MAX707/MAX813L generate a reset pulse when the supply voltage drops below 4.
65V, while the MAX706/ MAX708 generate a reset pulse below 4.
40V.
All four parts are available in 8-pin DIP, SO, and µMAX® packages.
Applications ●● Computers ●● Controllers ●● Intelligent Instruments ●● Critical μP Power Monitoring Pin Configurations appear at end of data sheet.
µMAX is a registered trademark of Maxim Integrated Products, Inc.
Benefits and Features ●● Supervisory-Function Integration Significantly Improves System Reliability While Reducing Board Space • μMAX Package • Guaranteed RESET Valid at VCC = 1V -- 200ms Reset Pulse Width -- Debounced TTL/CMOS-Compatible Manual- Reset Input -- Active-High Reset Output (MAX707/MAX708/ MAX813L) • Precision-Supply Voltage Monitor -- 4.
65V (MAX705/MAX707/MAX813L) -- 4.
40V (MAX706/MAX708) • Voltage Monitor for Power-Fail or Low-Battery Warning Ordering Infor...


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