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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GxD6spXmZtsDV3VDW5MwkV8zjwIIvh+DHgf98yl6ePv6PHH2AJpAVjB4GkqKTWJC
 cfzeLI0wHCVgdDm6RLMKJg==

<SEC-DOCUMENT>0001036960-09-000056.txt : 20090617
<SEC-HEADER>0001036960-09-000056.hdr.sgml : 20090617
<ACCEPTANCE-DATETIME>20090617142159
ACCESSION NUMBER:		0001036960-09-000056
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090601
FILED AS OF DATE:		20090617
DATE AS OF CHANGE:		20090617

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			FAIRCHILD SEMICONDUCTOR INTERNATIONAL INC
		CENTRAL INDEX KEY:			0001036960
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				043363001
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		82 RUNNING HILL RD
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106
		BUSINESS PHONE:		2077758100

	MAIL ADDRESS:	
		STREET 1:		82 RUNNING HILL RD
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FSC SEMICONDUCTOR CORP
		DATE OF NAME CHANGE:	19970424

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Chiang Justin
		CENTRAL INDEX KEY:			0001421090

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-15181
		FILM NUMBER:		09896213

	MAIL ADDRESS:	
		STREET 1:		C/O FAIRCHILD SEMICONDUCTOR CORPORATION
		STREET 2:		82 RUNNING HILL ROAD, MS 35/4E
		CITY:			SOUTH PORTLAND
		STATE:			ME
		ZIP:			04106
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2009-06-01</periodOfReport>

    <dateOfOriginalSubmission>2009-06-02</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0001036960</issuerCik>
        <issuerName>FAIRCHILD SEMICONDUCTOR INTERNATIONAL INC</issuerName>
        <issuerTradingSymbol>FCS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001421090</rptOwnerCik>
            <rptOwnerName>Chiang Justin</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>FAIRCHILD SEMICONDUCTOR INTERNATIONAL</rptOwnerStreet1>
            <rptOwnerStreet2>82 RUNNING HILL ROAD</rptOwnerStreet2>
            <rptOwnerCity>SOUTH PORTLAND</rptOwnerCity>
            <rptOwnerState>ME</rptOwnerState>
            <rptOwnerZipCode>04106</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Executive Vice President</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, par value $.01 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2009-06-02</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>871</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>7.58</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>18028</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This transaction was executed in multipe trades at prices ranging from $7.58 to $7.59.  The price reported above reflects the weighted average sale price.  The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer, full information regarding the number of shares and prices at which the transaction was effected.</footnote>
        <footnote id="F2">This amended Form 4 is being filed to correct inaccuracies in the originally filed form in the number of securities disposed of and the amount of securities beneficially owned following the reported transaction. In each case, due to an administrative error, the number of securities previously reported was overstated by 37 shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Paul D. Delva (Attorney-in-fact)</signatureName>
        <signatureDate>2009-06-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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