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MIC809

Micrel Semiconductor
Part Number MIC809
Manufacturer Micrel Semiconductor
Description Microprocessor Reset Circuits
Published Mar 26, 2005
Detailed Description MIC809/810 Microprocessor Reset Circuits General Description The MIC809 and MIC810 are inexpensive microprocessor super...
Datasheet PDF File MIC809 PDF File

MIC809
MIC809

Overview
MIC809/810 Microprocessor Reset Circuits General Description The MIC809 and MIC810 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor-based systems.
The function of these devices is to assert a reset if the power supply drops below a designated reset threshold level.
Several different reset threshold levels are available to accommodate 3V, 3.
3V or 5V powered systems.
The MIC809 has an active-low /RESET output, while the MIC810 offers an active-high RESET output.
The reset output is guaranteed to remain asserted for a minimum of 140ms after VCC has risen above the designated reset threshold level.
Having a push-pull output stage, the MIC809/810 does not require a pull-up resistor at the output.
The MIC809/810 comes in a 3-pin SOT-23 and SC-70 package.
The MIC809 is also available with a shorter reset timeout (30ms, minimum).
Datasheets and support documentation are available on Micrel’s web site at: www.
micrel.
com.
Features • Precision vo...


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