Exhibit 24

AUTHORIZATION

I hereby authorize Cynthia Hoff Trochu, Cynthia H. Grimm, Muriel C. McFarling,
Jane S. Nahra, Erin E. Hilton, and David M. Hanes or any one of them to sign
and file on my behalf any and all forms required by the Securities and
Exchange Commission pursuant to Section 16 of the Securities Exchange Act of
1934 (the Exchange Act) relating to the reporting of beneficial ownership of
equity securities of Texas Instruments Incorporated (the Company), and of
changes in such beneficial ownership, as well as any and all representation
letters that may be required in connection with sales by me of equity
securities of the Company, together with any and all amendments to the
foregoing.  This authorization shall be effective on and after the date set
forth below and shall continue in effect, unless earlier revoked by me in
writing, until I am no longer required to file such forms and letters provided,
however, that this authorization shall be deemed revoked with respect to any
individual named above upon such individual?s termination of active service
with the Company.

I acknowledge that the persons authorized hereunder are not assuming, nor is
the Company assuming, any of my responsibilities to comply with Section 16 of
the Exchange Act and other relevant securities laws.

Dated as of the 20th day of January 2017.

/s/ Ellen Barker