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Prospectus Supplement                          Filed Pursuant to Rule 424(b)(4)
To Prospectus Dated January 4, 2001              Registration No. 333-44572-01
                                                                     333-44572



                         TEXAS INSTRUMENTS INCORPORATED

                        2,257,113 SHARES OF COMMON STOCK

       ISSUABLE UPON CONVERSION OF TEXAS INSTRUMENTS TUCSON CORPORATION'S
                 4 1/4% CONVERTIBLE SUBORDINATED NOTES DUE 2007

                                   ----------

               This prospectus supplement amends and supplements, and should be
read in conjunction with, the prospectus, dated January 4, 2001 of Texas
Instruments Incorporated relating to the offering from time to time by certain
selling securityholders of up to 2,257,113 shares of Texas Instruments common
stock, par value $1.00 per share, issuable upon conversion of Texas Instruments
Tucson Corporation's 4 1/4% Convertible Subordinated Notes due 2007.

CHANGE IN SELLING SECURITYHOLDER INFORMATION

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

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) - ------------------------------ ------------ ------------- ------------ --------------- ABN AMRO Incorporated $ 259,000 * 5,827 * Rockhaven Fund 20,000 * 450 * Rockhaven Premier Dividend Fund 320,000 * 7,199 *
- ---------- * Less than 1% (1) Assumes conversion of all of the holder's notes at a conversion price of approximately $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 1,733,731,089 shares of Texas Instruments common stock issued and outstanding as of January 17, 2001. Assumes the number of shares of Texas Instruments common stock issuable upon conversion of 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 3 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 January 18, 2001.