    <SEC-DOCUMENT>0001193125-22-073385-index.html : 20220311
    <SEC-HEADER>0001193125-22-073385.hdr.sgml : 20220311
    <ACCEPTANCE-DATETIME>20220311160606
    ACCESSION NUMBER:		0001193125-22-073385
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		3
    FILED AS OF DATE:		20220311
    DATE AS OF CHANGE:		20220311

    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:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-22339
    		FILM NUMBER:		22733168

    	BUSINESS ADDRESS:
    		STREET 1:		4453 NORTH FIRST STREET, SUITE 100
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134
    		BUSINESS PHONE:		408-462-8000

    	MAIL ADDRESS:
    		STREET 1:		4453 NORTH FIRST STREET, SUITE 100
    		CITY:			SAN JOSE
    		STATE:			CA
    		ZIP:			95134
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d269957ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d269957ddefa14a.htm

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    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g269957g08q17.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g269957g08q17.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g269957g33u31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g269957g33u31.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>