<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>                   YEAR                   YEAR                   3-MOS                   6-MOS
9-MOS
<FISCAL-YEAR-END>                          JAN-03-1998             JAN-02-1999             JAN-02-1999             JAN-02-1999
             JAN-02-1999
<PERIOD-START>                             DEC-29-1996             JAN-04-1998             JAN-04-1998             JAN-04-1998
             JAN-04-1998
<PERIOD-END>                               JAN-03-1998             JAN-02-1999             APR-04-1998             JUL-04-1998
             OCT-03-1998
<CASH>                                         221,030                 209,074                 195,929                 152,135
                 232,326
<SECURITIES>                                   115,399                  40,403                 136,225                 144,820
                  50,840
<RECEIVABLES>                                  236,601                 305,143                 221,038                 247,426
                 254,030
<ALLOWANCES>                                    26,080                  22,989                  20,420                  13,328
                  15,564
<INVENTORY>                                     10,899                   9,903                  11,244                   5,008
                   6,932
<CURRENT-ASSETS>                               695,333                 666,152                 652,163                 640,273
                 641,982
<PP&E>                                         365,486                 487,689                 405,488                 432,272
                 460,835
<DEPRECIATION>                                 156,947                 213,481                 173,988                 187,817
                 199,979
<TOTAL-ASSETS>                               1,153,247               1,481,916               1,183,614               1,229,574
               1,499,664
<CURRENT-LIABILITIES>                          303,926                 371,824                 278,306                 290,148
                 591,423
<BONDS>                                              0                       0                       0                       0
                       0
<PREFERRED-MANDATORY>                                0                       0                       0                       0
                       0
<PREFERRED>                                          0                       0                       0                       0
                       0
<COMMON>                                       495,884                 598,561                 546,958                 520,234
                 512,745
<OTHER-SE>                                     325,479                 349,269                 322,038                 380,813
                 302,363
<TOTAL-LIABILITY-AND-EQUITY>                 1,153,247               1,481,916               1,183,614               1,229,574
               1,499,664
<SALES>                                              0                       0                       0                       0
                       0
<TOTAL-REVENUES>                             1,036,773               1,320,180                 293,788                 609,524
                 943,708
<CGS>                                                0                       0                       0                       0
                       0
<TOTAL-COSTS>                                  228,086                 337,164                  70,695                 156,867
                 243,972
<OTHER-EXPENSES>                               584,981                 893,528                 206,544                 357,184
                 674,458
<LOSS-PROVISION>                                   438                   7,687                       0                   2,010
                   3,724
<INTEREST-EXPENSE>                               2,780                   3,735                     443                     734
                   1,699
<INCOME-PRETAX>                                252,096                 100,046                  19,867                 102,156
                  34,023
<INCOME-TAX>                                    74,698                  74,922                  21,821                  44,148
                  56,468
<INCOME-CONTINUING>                            177,398                  25,124                 (1,954)                  58,008
                (22,445)
<DISCONTINUED>                                       0                       0                       0                       0
                       0
<EXTRAORDINARY>                                      0                       0                       0                       0
                       0
<CHANGES>                                       12,276                       0                       0                       0
                       0
<NET-INCOME>                                   165,122                  25,124                 (1,954)                  58,008
                (22,445)
<EPS-BASIC>                                       0.76                    0.11                  (0.01)                    0.25
                  (0.10)
<EPS-DILUTED>                                     0.68                    0.10                  (0.01)                    0.22
                  (0.10)