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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SEPixe3huTZPR02UW4xSsCRqThmCbH/L1uCWibWdnB5jY0LpmUth5TA3rL72A9KP
 H8HkY8qLD0FoSHUfhHpxJg==

<SEC-DOCUMENT>0001202356-03-000004.txt : 20030925
<SEC-HEADER>0001202356-03-000004.hdr.sgml : 20030925
<ACCEPTANCE-DATETIME>20030925140828
ACCESSION NUMBER:		0001202356-03-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030923
FILED AS OF DATE:		20030925

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DONNELLY ROBERT M
		CENTRAL INDEX KEY:			0001202356

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10658
		FILM NUMBER:		03909750

	BUSINESS ADDRESS:	
		STREET 1:		8000 S. FEDERAL WAY
		CITY:			BOISE
		STATE:			ID
		ZIP:			83707-0006

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MICRON TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000723125
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				751618004
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		8000 S FEDERAL WAY
		STREET 2:		PO BOX 6
		CITY:			BOISE
		STATE:			ID
		ZIP:			83716-9632
		BUSINESS PHONE:		2083684000
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2003-09-23</periodOfReport>
    <issuer>
        <issuerCik>0000723125</issuerCik>
        <issuerName>MICRON TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>MU</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001202356</rptOwnerCik>
            <rptOwnerName>DONNELLY ROBERT M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>8000 S. FEDERAL WAY</rptOwnerStreet1>
            <rptOwnerStreet2>MAIL STOP 557</rptOwnerStreet2>
            <rptOwnerCity>BOISE</rptOwnerCity>
            <rptOwnerState>ID</rptOwnerState>
            <rptOwnerZipCode>83707</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>0</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>V.P. of Computing &amp; Consumer</officerTitle></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>22974</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding><nonDerivativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>200000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>I</value></directOrIndirectOwnership><natureOfOwnership><value>Donnelly Family Trust</value></natureOfOwnership></ownershipNat
ure></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Nonqualified Stock Option</value></securityTitle><conversionOrExercisePrice><value>14.35</value></conversionOrExercisePrice><transactionDate><value>2003-09-23</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>100000</value></transactionShares><transactionPricePerShare><value>14.35</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-09-23</value><footnoteId id="F1"/></exerciseDate><expirationDate><value>2013-09-23</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>100000</value></underlyingSecurityShares></unde
rlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>100000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">This option will vest 25% of the total Shares on the first anniversary of the date of grant and continue for a total of four years.</footnote></footnotes><remarks/><ownerSignature><signatureName>Jean McDaniel  Attorney-in-fact</signatureName><signatureDate>2003-09-24</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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