<SEC-DOCUMENT>0001273902-17-000107.txt : 20171102
<SEC-HEADER>0001273902-17-000107.hdr.sgml : 20171102
<ACCEPTANCE-DATETIME>20171102171005
ACCESSION NUMBER:		0001273902-17-000107
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20171101
FILED AS OF DATE:		20171102
DATE AS OF CHANGE:		20171102

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			FLUKE BRADLEY J
		CENTRAL INDEX KEY:			0001197844

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-17795
		FILM NUMBER:		171173425

	MAIL ADDRESS:	
		STREET 1:		400 W CESAR CHAVEZ
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78701

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIRRUS LOGIC INC
		CENTRAL INDEX KEY:			0000772406
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				770024818
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		800 WEST 6TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78701
		BUSINESS PHONE:		512-851-4000

	MAIL ADDRESS:	
		STREET 1:		800 WEST 6TH STREET
		CITY:			AUSTIN
		STATE:			TX
		ZIP:			78701
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <periodOfReport>2017-11-01</periodOfReport>

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    <issuer>
        <issuerCik>0000772406</issuerCik>
        <issuerName>CIRRUS LOGIC INC</issuerName>
        <issuerTradingSymbol>CRUS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001197844</rptOwnerCik>
            <rptOwnerName>FLUKE BRADLEY J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>800 WEST 6TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>AUSTIN</rptOwnerCity>
            <rptOwnerState>TX</rptOwnerState>
            <rptOwnerZipCode>78701</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>VP &amp; GM, MEMS Division</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Incentive Stock Option (right to buy)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>55.72</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1794</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
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            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <value>2027-11-01</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
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                <value>2017-11-01</value>
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                    <value>10706</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
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        <derivativeTransaction>
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                <value>Performance Shares</value>
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            <conversionOrExercisePrice>
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                <value>2017-11-01</value>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
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            <transactionAmounts>
                <transactionShares>
                    <value>3100</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>11369</value>
                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>0.0</value>
                <footnoteId id="F3"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2017-11-01</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>4125</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <footnoteId id="F4"/>
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            <expirationDate>
                <footnoteId id="F4"/>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4125</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                <sharesOwnedFollowingTransaction>
                    <value>15125</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Only vested shares can be exercised under this option. 25% of the shares will vest on 11/1/18; the remaining shares will vest monthly over the following 36 months so that the option will be fully vested and exercisable on 11/1/21.</footnote>
        <footnote id="F2">Each Performance-based Restricted Stock Unit (&quot;RSU's&quot;) represents the right to receive, following vesting, up to 200% of one share of Cirrus Logic, Inc. common stock. The resulting number of shares of common stock acquired upon vesting of the performance-based RSU's is contingent upon the achievement of pre-established performance metrics, as approved by the Company's Compensation Committee, over a three-year performance period beginning on November 1, 2017, and ending on November 1, 2020.</footnote>
        <footnote id="F3">Each restricted stock unit represents a contingent right to receive one share of Cirrus Logic common stock.</footnote>
        <footnote id="F4">100% of the restricted stock units will vest on 11/1/20, the 3-year anniversary of the grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Gregory Scott Thomas attorney-in-fact For: Bradley J. Fluke</signatureName>
        <signatureDate>2017-11-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
