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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 TWPB1U/VZem4az55BAasOPOUcgkdQyLfAme2PsIrVF+Cx/c3lw7AbMyHnyaY6LLm
 A8tG82qaXjCvG0anhCI7LA==

<SEC-DOCUMENT>0001246411-03-000031.txt : 20030923
<SEC-HEADER>0001246411-03-000031.hdr.sgml : 20030923
<ACCEPTANCE-DATETIME>20030923090257
ACCESSION NUMBER:		0001246411-03-000031
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030919
FILED AS OF DATE:		20030923

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SIMMONS RUTH J
		CENTRAL INDEX KEY:			0001174484

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03761
		FILM NUMBER:		03905145

	BUSINESS ADDRESS:	
		STREET 1:		C/O PFIZER INC
		STREET 2:		235 EAST 42ND ST ATTN: CORPORATE SEC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		2127334802

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEXAS INSTRUMENTS INC
		CENTRAL INDEX KEY:			0000097476
		STANDARD INDUSTRIAL CLASSIFICATION:	SEMICONDUCTORS & RELATED DEVICES [3674]
		IRS NUMBER:				750289970
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		P.O. BOX 660199
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75266
		BUSINESS PHONE:		9729953773

	MAIL ADDRESS:	
		STREET 1:		12500 TI BLVD
		STREET 2:		PO BOX 660199
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75266
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>c0001174484d20030922f4f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>4</documentType><periodOfReport>2003-09-19</periodOfReport><notSubjectToSection16>0</notSubjectToSection16><issuer><issuerCik>0000097476</issuerCik><issuerName>TEXAS INSTRUMENTS INC</issuerName>        <issuerTradingSymbol>TXN</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001174484</rptOwnerCik><rptOwnerName>SIMMONS RUTH J</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>12500 TI BOULEVARD</rptOwnerStreet1><rptOwnerStreet2></rptOwnerStreet2><rptOwnerCity>DALLAS</rptOwnerCity><rptOwnerState>TX</rptOwnerState><rptOwnerZipCode>75243</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable><nonDeri
vativeHolding><securityTitle><value>Common Stock</value></securityTitle><postTransactionAmounts><sharesOwnedFollowingTransaction><value>8000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Stock Units</value></securityTitle><conversionOrExercisePrice><value>1</value><footnoteId id="F1"/></conversionOrExercisePrice><transactionDate><value>2003-09-19</value></transactionDate><deemedExecutionDate></deemedExecutionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>189.15</value></transactionShares><transactionPricePerShare><value>24.23</value></transactionPricePerShare><trans
actionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>1988-08-08</value><footnoteId id="F2"/></exerciseDate><expirationDate><value>1988-08-08</value><footnoteId id="F2"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>189.15</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>7941.56</value><footnoteId id="F2"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value></value></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">Security converts to common stock on a one-for-one basis.</footnote><footnote id="F2">Stock units credited under the Texas Instruments 2003 Director Compensation Plan, to be settled in com
mon stock of the Issuer following the reporting person's termination of service as a director of the Issuer.  End-of-period holdings include stock units acquired pursuant to the dividend reinvestment provision of the Plan.</footnote></footnotes><ownerSignature><signatureName>CYNTHIA H. HAYNES, Power of Attorney</signatureName><signatureDate>2003-09-22</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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