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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>9999999995-07-000453.txt : 20070206
<SEC-HEADER>9999999995-07-000453.hdr.sgml : 20070206
<ACCEPTANCE-DATETIME>20070206001522
ACCESSION NUMBER:		9999999995-07-000453
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070205
DATE AS OF CHANGE:		20070206
EFFECTIVENESS DATE:		20070205

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LSI LOGIC CORP
		CENTRAL INDEX KEY:			0000703360
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				942712976
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-139642
		FILM NUMBER:		07582441

	BUSINESS ADDRESS:	
		STREET 1:		1621 BARBER LANE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
		BUSINESS PHONE:		4084338000

	MAIL ADDRESS:	
		STREET 1:		1621 BARBER LANE
		CITY:			MILPITAS
		STATE:			CA
		ZIP:			95035
</SEC-HEADER>
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<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-02-05</finalEffectivenessDispDate>
        <finalEffectivenessDispTime>11:00:00</finalEffectivenessDispTime>
        <form>S-4</form>
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            <cik>0000703360</cik>
            <entityName>LSI LOGIC CORP</entityName>
            <fileNumber>333-139642</fileNumber>
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