EXHIBIT 23.01 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Registration Statement of our report dated January 19, 1996 included in Cadence Design Systems, Inc.'s Form 10-K for the year ended December 31, 1995 and to all references to our Firm included in this Registration Statement. ARTHUR ANDERSEN LLP San Jose, California November 6, 1996