H6052 ETC

Document overview

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Technical content

Features

n Verysmallmountingspace TO-92package Sensitivitytypically10s µ Propermicroprocessorrestartafterpowerup Processorresetatpowerdown On-chiposcillatorgivesatypicalPORof160ms Resetoutputworkingdownto1.6V Noexternalcomponentsrequired SOT-223package n n n n n n n n

Description

TheH6052isaCMOSdevicewhichmonitorsthesupplyvoltage andcontrolstheresetofthemicroprocessor.Uponthesupply voltagerisingaboveV,theresetoutput,whetherRESor ,willremainactive(RES=1,=0)foranadditional160 ms.Thisallowsthesystemvoltageandtheoscillatorofthe microprocessorsystemtostabilizebeforethesystembecomes fullyactive.WhenVdropsbelowV,theresetoutput goesactive. THON DDTHOFF RESRES (RES=1,=0)RES 3-PinVoltageSurveillancewithTime-out TypicalOperatingConfiguration EMMICROELECTRONIC-MARINSA H6052

Stressesabovetheselistedmaximumratingsmaycause permanentdamagetothedevice.Exposurebeyondspecified operatingconditionsmayaffectdevicereliabilityorcause malfunction. AbsoluteMaximumRatings Table1 Thisdevicehasbuilt-inprotectionagainsthighstaticvoltages orelectricfields;however,anti-staticprecautionsprecautions betakenasforanyotherCMOScomponent.Unlessotherwise specified,properoperationcanonlyoccurwhenallterminal voltagesarekeptwithinthesupplyvoltagerange.Unused inputsmustalwaysbetiedtoadefinedlogicvoltagelevel. OperatingConditions TA -40 1.6 +85 O C V5.5VDD Table2 Parameter Symbol Min. Typ. Max. Units Operatingtemperature Positivesupplyvoltage ElectricalCharacteristics V=5.0V10%,T=-40to+85C,unlessotherwisespecifiedDDA O IDD VTHON VTHOFF VOH VOL VOL VOL VOH VOH RESoropenRES 80 140 4.4 3.6* 0.4 0.4 3.2* T=+25A O C 3.6 2.8* I=2mAOH V=3.5V,I=2mADDOL V=1.6V,I=400ADDOL µ I=4mAOL V=3.5V,I=1.5mADDOH V=1.6V,I=80ADDOH µ Supplycurrent Poweronthreshold* RES OutputLowLevel RESOutputLowLevel µA V V V V V V V V Parameter Symbol TestConditions Min. Typ. Max. Units Supplyvoltage: Poweroffthreshold* T=+25A O C RES OutputHighLevel RES OutputLowLevel RESOutputHighLevel RESOutputHighLevel V-0.4DD 0.4 V-0.4DD V-0.4DD * VisrelatedtoV.Typically,V=V-0.8VTHONTHOFFTHOFFTHON Table3 TimingCharacteristics V=5.0V10%,T=-40to+85C,unlessotherwisespecifiedDDA O Table4 tPOR tPOR T=+25CA O 100 350 250160 Poweronreset Poweronreset ms ms Parameter Symbol TestConditions Min. Typ. Max. Units H6052

1.6V Logic“1” tPOR tPOR Fig.3 RES RES t t t Logic“1” Logic“0” Logic“0” VTHON VTHOF F SOT-223 Table6 BlockDiagram Fig.4 RESor RES VDD Vss Comparator OSC Reset Control Timer Bandgap Ref. H6052

µP VDD VSS RES H60522 RES µP VDD GND GND VDD Fig.5 TypicalApplications PowerOnReset OrderingInformation TheH6052isavailableinthefollowingpacakges: Partnumber:Package; H60521TO-92ResetOutput H60521SOT-223ResetOutput H60522TO-92Output H60522SOT-223Output Whenorderingpleasespecifycompletepartnumberand package. Reset Reset H6052 EMMicroelectronic-MarinSAcannotassumeresponsibilityforuseofanycircuitrydescribedotherthancircuitrye ntirelyembodiedin anEMMicroelectronic-MarinSAproduct.EMMicroelectronic-MarinSAreservestherighttochangethecircuitryand specifications withoutnoticeatanytime.Youarestronglyurgedtoensurethattheinformationgivenhasnotbeensupersededbyamor eup-to-date  2000EMMicroelectronic-MarinSA,10/00,Rev.H/328