<SEC-DOCUMENT>0000917273-11-000015.txt : 20110607
<SEC-HEADER>0000917273-11-000015.hdr.sgml : 20110607
<ACCEPTANCE-DATETIME>20110607144218
ACCESSION NUMBER:		0000917273-11-000015
CONFORMED SUBMISSION TYPE:	D
PUBLIC DOCUMENT COUNT:		1
ITEM INFORMATION:		Rule 506
FILED AS OF DATE:		20110607
DATE AS OF CHANGE:		20110607
EFFECTIVENESS DATE:		20110607

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RAMBUS INC
		CENTRAL INDEX KEY:			0000917273
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				943112828
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		D
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	021-160900
		FILM NUMBER:		11898249

	BUSINESS ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
		BUSINESS PHONE:		408-462-8000

	MAIL ADDRESS:	
		STREET 1:		1050 ENTERPRISE WAY, SUITE 700
		CITY:			SUNNYVALE
		STATE:			CA
		ZIP:			94089
</SEC-HEADER>
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<TYPE>D
<SEQUENCE>1
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        <entityName>RAMBUS INC</entityName>
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            <street1>1050 ENTERPRISE WAY, SUITE 700</street1>
            <city>SUNNYVALE</city>
            <stateOrCountry>CA</stateOrCountry>
            <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
            <zipCode>94089</zipCode>
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        <issuerPhoneNumber>408-462-8000</issuerPhoneNumber>
        <jurisdictionOfInc>DELAWARE</jurisdictionOfInc>
        <issuerPreviousNameList>
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            <relatedPersonName>
                <firstName>Harold</firstName>
                <lastName>Hughes</lastName>
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                <city>Sunnyvale</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94089</zipCode>
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            <relatedPersonRelationshipList>
                <relationship>Executive Officer</relationship>
                <relationship>Director</relationship>
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            <relationshipClarification></relationshipClarification>
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            <relatedPersonName>
                <firstName>Satish</firstName>
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            <relatedPersonName>
                <firstName>Thomas</firstName>
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            <relatedPersonName>
                <firstName>Michael</firstName>
                <lastName>Schroeder</lastName>
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                <city>Sunnyvale</city>
                <stateOrCountry>CA</stateOrCountry>
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                <zipCode>94089</zipCode>
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            <relatedPersonRelationshipList>
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            <relationshipClarification></relationshipClarification>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>Bruce</firstName>
                <lastName>Dunlevie</lastName>
            </relatedPersonName>
            <relatedPersonAddress>
                <street1>c/o Rambus Inc.</street1>
                <street2>1050 Enterprise Way Suite 700</street2>
                <city>Sunnyvale</city>
                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94089</zipCode>
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        <relatedPersonInfo>
            <relatedPersonName>
                <firstName>J.</firstName>
                <middleName>Thomas</middleName>
                <lastName>Bentley</lastName>
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                <street1>c/o Rambus Inc.</street1>
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                <stateOrCountry>CA</stateOrCountry>
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            <relatedPersonName>
                <firstName>Sunlin</firstName>
                <lastName>Chou</lastName>
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                <street1>c/o Rambus Inc.</street1>
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                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
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            <relatedPersonName>
                <firstName>P.</firstName>
                <middleName>Michael</middleName>
                <lastName>Farmwald</lastName>
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                <street1>c/o Rambus Inc.</street1>
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                <stateOrCountry>CA</stateOrCountry>
                <stateOrCountryDescription>CALIFORNIA</stateOrCountryDescription>
                <zipCode>94089</zipCode>
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            <relatedPersonRelationshipList>
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            <relatedPersonName>
                <firstName>Penelope</firstName>
                <middleName>A.</middleName>
                <lastName>Herscher</lastName>
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    <offeringData>
        <industryGroup>
            <industryGroupType>Other Technology</industryGroupType>
        </industryGroup>
        <issuerSize>
            <revenueRange>Over $100,000,000</revenueRange>
        </issuerSize>
        <federalExemptionsExclusions>
            <item>06</item>
        </federalExemptionsExclusions>
        <typeOfFiling>
            <newOrAmendment>
                <isAmendment>false</isAmendment>
            </newOrAmendment>
            <dateOfFirstSale>
                <value>2011-06-03</value>
            </dateOfFirstSale>
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        <durationOfOffering>
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        <typesOfSecuritiesOffered>
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        </typesOfSecuritiesOffered>
        <businessCombinationTransaction>
            <isBusinessCombinationTransaction>true</isBusinessCombinationTransaction>
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        <minimumInvestmentAccepted>0</minimumInvestmentAccepted>
        <salesCompensationList></salesCompensationList>
        <offeringSalesAmounts>
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            <totalAmountSold>88565587</totalAmountSold>
            <totalRemaining>0</totalRemaining>
            <clarificationOfResponse>6,380,806 shares of Rambus Inc. common stock, including 1,276,161 shares held in escrow, valued at $13.88 per share, the average of the high and low trading price on June 3, 2011, the closing date of the transaction.</clarificationOfResponse>
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        <investors>
            <hasNonAccreditedInvestors>true</hasNonAccreditedInvestors>
            <numberNonAccreditedInvestors>1</numberNonAccreditedInvestors>
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        </investors>
        <salesCommissionsFindersFees>
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                <dollarAmount>0</dollarAmount>
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                <signatureName>/s/ Satish Rishi</signatureName>
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                <signatureTitle>Senior Vice President and Chief Financial Officer</signatureTitle>
                <signatureDate>2011-06-07</signatureDate>
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</SEC-DOCUMENT>
