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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>0001014909-06-000041.txt : 20060411
<SEC-HEADER>0001014909-06-000041.hdr.sgml : 20060411
<ACCEPTANCE-DATETIME>20060411202240
ACCESSION NUMBER:		0001014909-06-000041
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20060407
FILED AS OF DATE:		20060411
DATE AS OF CHANGE:		20060411

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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hayes Steven G
		CENTRAL INDEX KEY:			0001340826

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-19027
		FILM NUMBER:		06754633

	BUSINESS ADDRESS:	
		BUSINESS PHONE:		1-207-799-4490

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

    <schemaVersion>X0202</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2006-04-07</periodOfReport>

    <dateOfOriginalSubmission>2006-04-10</dateOfOriginalSubmission>

    <notSubjectToSection16>0</notSubjectToSection16>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001340826</rptOwnerCik>
            <rptOwnerName>Hayes Steven G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1 COVE VIEW ROAD</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CAPE ELIZABETH</rptOwnerCity>
            <rptOwnerState>ME</rptOwnerState>
            <rptOwnerZipCode>04107</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Vice President of Sales</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Employee Non-Qualified Stock Options</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.33</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2006-04-07</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>300000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.33</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2006-09-19</value>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2013-04-07</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>300000</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>550000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">These options vest over 48 months, however, the officer must remain employed until September 19, 2006 in order for the options to begin vesting.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>* /s/ Steven Hayes *By Kimberley Carothers, Attorney in Fact</signatureName>
        <signatureDate>2006-04-11</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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