<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED BALANCE SHEET AT OCT. 1,2000 AND THE CONDENSED
CONSOLIDATED STATEMENT OF INCOME FOR THE 3 MONTHS ENDED OCTOBER 1, 2000 AND IS
QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000097210
<NAME> TERADYNE, INC.
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-2000
<PERIOD-START>                             JUL-03-2000
<PERIOD-END>                               OCT-01-2000
<EXCHANGE-RATE>                                      1
<CASH>                                         227,090
<SECURITIES>                                    98,785
<RECEIVABLES>                                  491,542
<ALLOWANCES>                                     5,631
<INVENTORY>                                    472,863
<CURRENT-ASSETS>                             1,429,049
<PP&E>                                       1,174,995
<DEPRECIATION>                                 499,936
<TOTAL-ASSETS>                               2,320,573
<CURRENT-LIABILITIES>                          563,001
<BONDS>                                              0
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                          0
<COMMON>                                        21,903
<OTHER-SE>                                   1,707,261
<TOTAL-LIABILITY-AND-EQUITY>                 2,320,573
<SALES>                                        848,027
<TOTAL-REVENUES>                               848,027
<CGS>                                          460,752
<TOTAL-COSTS>                                  634,864
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 570
<INCOME-PRETAX>                                219,234
<INCOME-TAX>                                    65,770
<INCOME-CONTINUING>                            153,464
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                   153,464
<EPS-BASIC>                                       0.88
<EPS-DILUTED>                                     0.84