<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM CADENCE
DESIGN SYSTEMS, INC.'S ANNUAL REPORT ON FORM 10-K FOR THE FISCAL YEAR ENDED
JANUARY 1, 2000 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FINANCIAL
STATEMENTS.
</LEGEND>
<RESTATED>
<MULTIPLIER> 1,000

                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          JAN-01-2000
<PERIOD-START>                             JAN-03-1999
<PERIOD-END>                               APR-03-1999
<CASH>                                         238,177
<SECURITIES>                                    22,303
<RECEIVABLES>                                  278,161
<ALLOWANCES>                                    28,479
<INVENTORY>                                      8,111
<CURRENT-ASSETS>                               655,005
<PP&E>                                         514,513
<DEPRECIATION>                                 225,322
<TOTAL-ASSETS>                               1,549,544
<CURRENT-LIABILITIES>                          308,148
<BONDS>                                              0
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<COMMON>                                       658,652
<OTHER-SE>                                     403,018
<TOTAL-LIABILITY-AND-EQUITY>                 1,549,544
<SALES>                                              0
<TOTAL-REVENUES>                               335,191
<CGS>                                                0
<TOTAL-COSTS>                                   91,408
<OTHER-EXPENSES>                               166,383
<LOSS-PROVISION>                                 2,019
<INTEREST-EXPENSE>                               1,222
<INCOME-PRETAX>                                 77,534
<INCOME-TAX>                                    24,672
<INCOME-CONTINUING>                             52,862
<DISCONTINUED>                                       0
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<NET-INCOME>                                    52,862
<EPS-BASIC>                                       0.22
<EPS-DILUTED>                                     0.20