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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,
 J/q43eTE+1zE22IkEVPNfS/oPxwhpVDYkCSlUJNLUVqtxIQl/7TPZi8fzDVlezu9
 ZRFInFZY8gyb5Fm4/7vcdQ==

<SEC-DOCUMENT>0001014909-06-000015.txt : 20060222
<SEC-HEADER>0001014909-06-000015.hdr.sgml : 20060222
<ACCEPTANCE-DATETIME>20060222203824
ACCESSION NUMBER:		0001014909-06-000015
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060221
FILED AS OF DATE:		20060222
DATE AS OF CHANGE:		20060222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			McComb John Christopher
		CENTRAL INDEX KEY:			0001352780

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19027
		FILM NUMBER:		06637490

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		719-531-9444

	MAIL ADDRESS:	
		STREET 1:		4250 BUCKINGHAM DR. #100
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80907

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIMTEK CORP
		CENTRAL INDEX KEY:			0000817516
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				841057605
		STATE OF INCORPORATION:			CO
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		4250 BUCKINGHAM DR 100
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80907
		BUSINESS PHONE:		7195319444

	MAIL ADDRESS:	
		STREET 1:		4250 BUCKINGHAM DR 100
		CITY:			COLORADO SPRINGS
		STATE:			CO
		ZIP:			80907
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2006-02-21</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000817516</issuerCik>
        <issuerName>SIMTEK CORP</issuerName>
        <issuerTradingSymbol>SRAM</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001352780</rptOwnerCik>
            <rptOwnerName>McComb John Christopher</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>10811 MYSTIC COVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>MAGNOLIA</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>77354</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President of Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.27</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-02-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>500000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.27</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-08-21</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-02-21</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>500000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>500000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These options vest over 36 months, however, the officer must be employed before the options begin vesting.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>*/s/ John Christopher McComb *By /s/ Kimberley Carothers, Attorney in Fact</signatureName>
        <signatureDate>2006-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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