-----BEGIN PRIVACY-ENHANCED MESSAGE-----
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,
 Wuf2xPUwYcDvWpCwJTN6n8sHebvWUsnscBZheG/qdHZNUKuHWg44lRoRwkGOyIKt
 DtYI3ls82DBCpUj8ek2WYQ==

<SEC-DOCUMENT>0000921530-05-000638.txt : 20051110
<SEC-HEADER>0000921530-05-000638.hdr.sgml : 20051110
<ACCEPTANCE-DATETIME>20051110155512
ACCESSION NUMBER:		0000921530-05-000638
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051102
FILED AS OF DATE:		20051110
DATE AS OF CHANGE:		20051110

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Leza Richard L
		CENTRAL INDEX KEY:			0001343567

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-14225
		FILM NUMBER:		051193844

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		650-346-5088

	MAIL ADDRESS:	
		STREET 1:		60653 DESERT SHADOWS DRIVE
		CITY:			LA QUINTA
		STATE:			CA
		ZIP:			92253

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			EXAR CORP
		CENTRAL INDEX KEY:			0000753568
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				941741481
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		48720 KATO ROAD
		STREET 2:		48720 KATO ROAD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		5106687000

	MAIL ADDRESS:	
		STREET 1:		48720 KATO RD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538-1167
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2005-11-02</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000753568</issuerCik>
        <issuerName>EXAR CORP</issuerName>
        <issuerTradingSymbol>EXAR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001343567</rptOwnerCik>
            <rptOwnerName>Leza Richard L</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>AI RESEARCH CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>2003 ST. JULIEN COURT</rptOwnerStreet2>
            <rptOwnerCity>MOUNTAIN VIEW</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94043</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Richard L. Leza</signatureName>
        <signatureDate>2005-11-10</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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