MX29F800CTMI70G datasheet(9/48 Pages) MCNIX

Part #	MX29F800CTMI70G

Description	8M-BIT [1024K x 8 / 512K x 16] SINGLE VOLTAGE 5V ONLY FLASH MEMORY

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Manufacturer	MCNIX [Macronix International]

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P/N:PM1493

REV. 1.2, JUL. 05, 2012

MX29F800C T/B

VERIFY SECTOR PROTECT STATUS OPERATION

MX29F800CT/BprovideshardwaresectorprotectionagainstProgramandEraseoperationforprotectedsec-

tors.ThesectorprotectstatuscanbereadthroughSectorProtectVerifycommand.ThismethodrequiresVhvon

A9pin,VihonWE#andA1pins,VilonCE#,OE#,A6andA0pins,andsectoraddressonA12toA17pins.Ifthe

readoutdatais01H,thedesignatedsectorisprotected.Oppositely,ifthereadoutdatais00H,thedesignated

sectorisstillnotbeingprotected.

DATA PROTECTION

Toavoidaccidentalerasureorprogrammingofthedevice,thedeviceisautomaticallyresettoreadarraymode

duringpowerup.Besides,onlyaftersuccessfulcompletionofthespecifiedcommandsetswillthedevicebegin

itseraseorprogramoperation.

Otherfeaturestoprotectthedatafromaccidentalalternationaredescribedasfollowed.

WRITE PULSE "GLITCH" PROTECTION

CE#,WE#,OE#pulsesshorterthan5nsaretreatedasglitchesandwillnotberegardedasaneffectivewrite

cycle.

LOGICAL INHIBIT

AvalidwritecyclerequiresbothCE#andWE#atVilwithOE#atVih.WritecycleisignoredwheneitherCE#at

Vih,WE#aVih,orOE#atVil.

POWER-UP SEQUENCE

Uponpowerup,MX29F800CT/Bisplacedinreadarraymode.Furthermore,programoreraseoperationwillbe-

ginonlyaftersuccessfulcompletionofspecifiedcommandsequences.

POWER-UP WRITE INHIBIT

WhenWE#,CE#isheldatVilandOE#isheldatVihduringpowerup,thedeviceignoresthefirstcommandon

therisingedgeofWE#.

POWER SUPPLY DECOUPLING

A0.1uFcapacitorshouldbeconnectedbetweentheVccandGNDtoreducethenoiseeffect.

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