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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001140361-10-013847.txt : 20100326
<SEC-HEADER>0001140361-10-013847.hdr.sgml : 20100326
<ACCEPTANCE-DATETIME>20100326171720
ACCESSION NUMBER:		0001140361-10-013847
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100323
FILED AS OF DATE:		20100326
DATE AS OF CHANGE:		20100326

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FEINBERG STEPHEN
		CENTRAL INDEX KEY:			0000947822
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-26944
		FILM NUMBER:		10708561

	MAIL ADDRESS:	
		STREET 1:		299 PARK AVENUE
		STREET 2:		22ND FL
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10171

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SILICON STORAGE TECHNOLOGY INC
		CENTRAL INDEX KEY:			0000855906
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770225590
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1228

	BUSINESS ADDRESS:	
		STREET 1:		1171 SONORA COURT
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94086
		BUSINESS PHONE:		4087359110

	MAIL ADDRESS:	
		STREET 1:		1171 SONORA COURT
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94086
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-03-23</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000855906</issuerCik>
        <issuerName>SILICON STORAGE TECHNOLOGY INC</issuerName>
        <issuerTradingSymbol>SSTI</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000947822</rptOwnerCik>
            <rptOwnerName>FEINBERG STEPHEN</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CERBERUS CAPITAL MANAGEMENT, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>299 PARK AVENUE - 22ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10171</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>1</isOther>
            <officerTitle></officerTitle>
            <otherText>Former 10% Owner</otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, no par value</value>
            </securityTitle>
            <transactionDate>
                <value>2010-03-23</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>J</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>0</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>10762583</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By certain persons, limited liability companies and limited partnerships</value>
                    <footnoteId id="F1"/>
                    <footnoteId id="F2"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">On December 28, 2009, Cerberus Capital Management, L.P. (&quot;CCM&quot;) entered into a binding term sheet (the &quot;CCM Agreement&quot;) with Bing Yeh, the Executive Chairman and Chief Executive Officer of Silicon Storage Technology, Inc. (the &quot;Company&quot;).  Pursuant to the CCM Agreement, CCM may be deemed to have certain shared power to vote and shared power to direct the disposition of the 10,762,583 shares of common stock, no par value (the &quot;Shares&quot;), of the Company that are the subject of the CCM Agreement.  Stephen Feinberg is the sole shareholder of Craig Court, Inc., the managing member of Craig Court GP, LLC, which is the general partner of CCM.  As a result of the foregoing, Mr. Feinberg possesses the sole power to vote and the sole power to direct the disposition of all securities of the Company beneficially owned by CCM.  As a result, Mr. Feinberg may be deemed to beneficially own 10,762,583 Shares.</footnote>
        <footnote id="F2">Neither the filing of this Form 4 nor any of its contents shall be deemed to constitute an admission by Mr. Feinberg or any other person that he or it is the beneficial owner of any of the Shares referred to herein for purposes of Section 13(d) or Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purpose, and such beneficial ownership is expressly disclaimed.</footnote>
        <footnote id="F3">Based upon the information set forth in the Company's Form 10-K as filed with the Securities and Exchange Commission on March 18, 2010, there were 115,395,609 Shares outstanding as of March 8, 2010.  Based on the foregoing, as of the date hereof, Mr. Feinberg no longer beneficially owns more than ten percent of the outstanding Shares.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Stephen Feinberg</signatureName>
        <signatureDate>2010-03-23</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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