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APX809

Diodes
Part Number APX809
Manufacturer Diodes
Description 3-PIN MICROPROCESSOR RESET CIRCUITS
Published May 25, 2014
Detailed Description APX809/810 3-PIN MICROPROCESSOR RESET CIRCUITS Features • • • • Pu • Pu • • • •N • • Precision Monitoring of +2.5V, +3V...
Datasheet PDF File APX809 PDF File

APX809
APX809

Overview
APX809/810 3-PIN MICROPROCESSOR RESET CIRCUITS Features • • • • Pu • Pu • • • •N • • Precision Monitoring of +2.
5V, +3V, +3.
3V, and +5V Power-Supply Voltages Fully Specified Over Temperature Available in three Output Configurations sh-Pull RESET Active Low (APX809) sh-Pull RESET Active High (APX810) 200ms Typ Power-On Reset Pulse Width 30µA Supply Current (Typ.
) Guaranteed Reset Valid to VCC = +1V o External Components SOT23 and SOT23R: Available in “Green” Molding Compound (No Br, Sb) Lead Free Finish/RoHS Compliant (Note 1) General Description The APX809/810 are used for microprocessor ( µP) su pervisory circuits to monitor the power supplies in µP and digital systems.
They prov ide excellent circuit r eliability an d low cost by eliminating e xternal components and a djustments w hen used with +5V, +3.
3V, +3.
0V powered circuits.
These circu its p erform a single fu nction: t hey assert a reset signal whenever the VCC supply voltage declines below a p reset threshold, kee ping it a sserted fo r at le ast 240ms a fter VCC ha s risen ab ove the r eset th reshold.
Re set t hresholds suitab le for operation w ith a v ariety o f supp ly voltages are av ailable.
T he APX809/810 have push pull outputs.
The APX809 have an active low RESET output, while th e A PX810 has an a ctive hig h RESET output.
The reset co mparator is de signed to ig nore fast transients o n V CC, a nd the ou tputs are guaranteed to be in th e correct logic state for VCC down to 1V.
Low supply current makes the APX 809/810 i deal fo r use i n portable equ ipment.
The APX809/810 is a vailable in a 3 -pin S OT23 a nd S OT23R packages.
Applications • Computers •C ontrollers •I ntelligent Instruments • Critical µP and µC Power Monitoring •P ortable/Battery Powered Equipment •A utomotive Ordering Information APX 8 XX - XX XX G - 7 Enable 09 : Active-Low 10 : Active-High Voltage 46 44 40 31 29 26 23 : 4.
63 : 4.
38 : 4.
00 : 3.
08 : 2.
93 : 2.
63 : 2.
25 Package SA : SOT23 SR : SOT23R Green G : Green Pac...


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