-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>/in/edgar/work/0000950134-00-008468/0000950134-00-008468.txt : 20001009
<SEC-HEADER>0000950134-00-008468.hdr.sgml : 20001009
ACCESSION NUMBER:		0000950134-00-008468
CONFORMED SUBMISSION TYPE:	424B4
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20001006

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TEXAS INSTRUMENTS TUCSON CORP
		CENTRAL INDEX KEY:			0000715577
		STANDARD INDUSTRIAL CLASSIFICATION:	 [3674
]		IRS NUMBER:				860445468
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231
</COMPANY-DATA>

		FILING VALUES:
			FORM TYPE:		424B4
			SEC ACT:		
			SEC FILE NUMBER:	333-44572-01
			FILM NUMBER:		736190
</FILING-VALUES>

			BUSINESS ADDRESS:	
				STREET 1:		6730 S TUCSON BLVD
				CITY:			TUCSON
				STATE:			AZ
				ZIP:			85706
				BUSINESS PHONE:		6027461111
</BUSINESS-ADDRESS>

				MAIL ADDRESS:	
					STREET 1:		P.O BOX 11400
					STREET 2:		MS 100
					CITY:			TUSCON
					STATE:			AZ
					ZIP:			85734
</MAIL-ADDRESS>

					FORMER COMPANY:	
						FORMER CONFORMED NAME:	BURR BROWN CORP
						DATE OF NAME CHANGE:	19920703
</FORMER-COMPANY>
</FILER>

						FILER:

							COMPANY DATA:	
								COMPANY CONFORMED NAME:			TEXAS INSTRUMENTS INC
								CENTRAL INDEX KEY:			0000097476
								STANDARD INDUSTRIAL CLASSIFICATION:	 [3674
]								IRS NUMBER:				750289970
								STATE OF INCORPORATION:			DE
								FISCAL YEAR END:			1231
</COMPANY-DATA>

								FILING VALUES:
									FORM TYPE:		424B4
									SEC ACT:		
									SEC FILE NUMBER:	333-44572
									FILM NUMBER:		736191
</FILING-VALUES>

									BUSINESS ADDRESS:	
										STREET 1:		12500 TI BLVD
										STREET 2:		P O BOX 660199
										CITY:			DALLAS
										STATE:			TX
										ZIP:			75266
										BUSINESS PHONE:		9729953773
</BUSINESS-ADDRESS>

										MAIL ADDRESS:	
											STREET 1:		12500 TI BLVD
											STREET 2:		PO BOX 660199
											CITY:			DALLAS
											STATE:			TX
											ZIP:			75266
</MAIL-ADDRESS>
</FILER>
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B4
<SEQUENCE>1
<FILENAME>d80811b4e424b4.txt
<DESCRIPTION>PROSPECTUS - FILE NO.333-44572-01 & 333-44572
<TEXT>

<PAGE>   1
Prospectus Supplement                           Filed Pursuant to Rule 424(b)(4)
To Prospectus Dated August 31, 2000                Registration No. 333-44572-01
                                                                    333-44572

                      TEXAS INSTRUMENTS TUCSON CORPORATION
                   (FORMERLY KNOWN AS BURR-BROWN CORPORATION)
                                  $250,000,000
                 4 1/4% CONVERTIBLE SUBORDINATED NOTES DUE 2007

                                -----------------

                         TEXAS INSTRUMENTS INCORPORATED
                        5,624,784 SHARES OF COMMON STOCK

                                  ------------

     This prospectus supplement amends and supplements, and should be read in
conjunction with, the prospectus, dated August 31, 2000 of Texas Instruments
Tucson Corporation and Texas Instruments Incorporated relating to the offering
from time to time by certain selling securityholders of (i) up to $250.0 million
aggregate principal amount of 4 1/4% Convertible Subordinated Notes Due 2007 of
TI Tucson, and (ii) up to 5,624,784 shares of Texas Instruments common stock,
par value $1.00 per share, issuable upon conversion of the notes.

CHANGE IN SELLING SECURITYHOLDER INFORMATION

     The table below sets forth information as of the date hereof concerning
beneficial ownership of the notes of the selling securityholders listed below.
All information concerning beneficial ownership has been furnished by the
selling securityholders.

<TABLE>
<CAPTION>
                                                       PRINCIPAL
                                                       AMOUNT AT
                                                      MATURITY OF
                                                         NOTES                         SHARES OF
                                                      BENEFICIALLY   PERCENTAGE OF    COMMON STOCK      PERCENTAGE OF
                                                      OWNED THAT        NOTES           THAT MAY         COMMON STOCK
NAME OF SELLING SECURITYHOLDER                        MAY BE SOLD    OUTSTANDING       BE SOLD(1)       OUTSTANDING(2)
- ------------------------------                        ------------   -------------     ------------     ---------------
<S>                                                   <C>            <C>               <C>              <C>

Museum of Fine Arts, Boston.........................  $     18,000        *                   404              *
Parker-Hannifin Corporation.........................        32,000        *                   719              *
Putnam Asset Allocation Funds - Balanced Portfolio..       135,000        *                 3,037              *
Putnam Asset Allocation Funds - Conservative                85,000        *                 1,912              *
Portfolio...........................................
Putnam Convertible Income-Growth Trust..............     1,200,000        *                26,996              *
Putnam Convertible Opportunities and Income Trust...        46,000        *                 1,034              *
ProMutual...........................................        68,000        *                 1,529              *
University of Rochester.............................        17,000        *                   382              *
</TABLE>

- -------------------

*    Less than 1%

(1)  Assumes conversion of all of the holder's notes at a conversion price of
     $44.45 per share of Texas Instruments common stock. However, this
     conversion price will be subject to adjustment as described under
     "Description of Notes - Conversion of Notes" in the prospectus. As a
     result, the amount of Texas Instruments common stock issuable upon
     conversion of the notes may decrease in the future.

(2)  Calculated based on Rule 13d-3(d)(i) of the Securities and Exchange Act
     using 1,729,897,949 shares of Texas Instruments common stock issued and
     outstanding as of September 30, 2000. Assumes the number of shares of Texas
     Instruments common stock issuable upon conversion of


<PAGE>   2

     all of that particular holder's notes are outstanding. However, this does
     not include the conversion of any other holder's notes.

     THE SECURITIES OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK. SEE "RISK
FACTORS" BEGINNING ON PAGE 4 OF THE PROSPECTUS.

     NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR DETERMINED IF THIS
PROSPECTUS IS TRUTHFUL OR COMPLETE. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

           The date of this Prospectus Supplement is October 6, 2000.



                                       2
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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