-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IUsfsrUVUqt3qY1K1Il4/8Z4iKS/uI+q4n/lfj1y/RnlQZt0fTGjgm88avXfBMGM
 PWJW0Gd+nG0XR/zyJZwI7A==

<SEC-DOCUMENT>0001179110-10-008452.txt : 20100512
<SEC-HEADER>0001179110-10-008452.hdr.sgml : 20100512
<ACCEPTANCE-DATETIME>20100512201140
ACCESSION NUMBER:		0001179110-10-008452
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100511
FILED AS OF DATE:		20100512
DATE AS OF CHANGE:		20100512

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MARIMON RALPH
		CENTRAL INDEX KEY:			0001193319

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22671
		FILM NUMBER:		10825968

	MAIL ADDRESS:	
		STREET 1:		C/O QUICKLOGIC CORPORATION
		STREET 2:		1277 ORLEANS DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94086

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUICKLOGIC CORPORATION
		CENTRAL INDEX KEY:			0000882508
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770188504
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1277 ORLEANS DR
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089-1138
		BUSINESS PHONE:		4089904000

	MAIL ADDRESS:	
		STREET 1:		1277 ORLEANS DRIVE
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089-1138
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>FORM 4 -
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-05-11</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000882508</issuerCik>
        <issuerName>QUICKLOGIC CORPORATION</issuerName>
        <issuerTradingSymbol>QUIK</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001193319</rptOwnerCik>
            <rptOwnerName>MARIMON RALPH</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O QUICKLOGIC CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>1277 ORLEANS DRIVE</rptOwnerStreet2>
            <rptOwnerCity>SUNNYVALE</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>94089</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chief Financial Officer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2010-05-11</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>2180</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.24</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8668</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">RSUs withheld in an amount equal to the minimum statutory withholding taxes due for the May 11, 2010 release.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Suping Cheung by Power of Attorney</signatureName>
        <signatureDate>2010-05-12</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----
