<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS RESTATED FINANCIAL DATA SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION
EXTRACTED FROM THE CONSOLIDATED FINANCIAL STATEMENTS OF TEXAS INSTRUMENTS
INCORPORATED AND SUBSIDIARIES AS OF JUNE 30, 1999, AND FOR THE SIX MONTHS THEN
ENDED, AND IS QUALIFIED IN ITS ENTIRETY BY REFERENC TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000,000
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-1999
<PERIOD-END> JUN-30-1999
<CASH> 343
<SECURITIES> 1,502
<RECEIVABLES> 1,783
<ALLOWANCES> 63
<INVENTORY> 712
<CURRENT-ASSETS> 4,988
<PP&E> 6,784
<DEPRECIATION> 3,298
<TOTAL-ASSETS> 11,304
<CURRENT-LIABILITIES> 2,107
<BONDS> 960
0
0
<COMMON> 402
<OTHER-SE> 6,543
<TOTAL-LIABILITY-AND-EQUITY> 11,304
<SALES> 4,477
<TOTAL-REVENUES> 4,477
<CGS> 2,355
<TOTAL-COSTS> 2,355
<OTHER-EXPENSES> 676
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 37
<INCOME-PRETAX> 889
<INCOME-TAX> 303
<INCOME-CONTINUING> 586
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 586
<EPS-BASIC> 0.37
<EPS-DILUTED> 0.35
</TABLE>