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ASM1817

Alliance Semiconductor
Part Number ASM1817
Manufacturer Alliance Semiconductor
Description 3.3V/3.0V uP Reset
Published Aug 13, 2007
Detailed Description www.DataSheet4U.com February 2005 rev 1.5 ASM1817 Low Power, 3.3V/3.0V µP Reset, Active HIGH, Push-Pull Output Applica...
Datasheet PDF File ASM1817 PDF File

ASM1817
ASM1817

Overview
www.
DataSheet4U.
com February 2005 rev 1.
5 ASM1817 Low Power, 3.
3V/3.
0V µP Reset, Active HIGH, Push-Pull Output Applications • • • • • • • Set-top boxes Cellular phones PDAs Energy management systems Embedded control systems Printers Single board computers General Description The ASM1817 voltage supervisory device with low-power, 3.
3V/ 3.
0V µP Reset, active HIGH, Push-Pull output.
Maximum supply current over temperature is a low 15µA (at 3.
6V).
The ASM1817 generates an active HIGH reset signal whenever the monitored supply is out of tolerance.
A precision reference and comparator circuit monitor power supply (VCC) level.
Tolerance level options are 5%, 10% and 20% percent.
When an out-of-tolerance condition is detected, an internal power-fail signal is generated which forces an active HIGH reset signal.
After VCC returns to an in-tolerance condition, the reset signal remains active for 150ms to allow the power supply and system microprocessor to stabilize.
Typical Operating Circuit ...


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