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                                                                    EXHIBIT 23.3

                       CONSENT OF INDEPENDENT ACCOUNTANTS

                        CONSENT OF DELOITTE & TOUCHE LLP


We consent to the incorporation by reference in the Registration Statement of
Synopsys, Inc. on Form S-8/S-3 of our report dated October 11, 1996 (relating to
the consolidated financial statements of EPIC Design Technology, Inc. not
presented separately therein), appearing in and incorporated by reference in the
Annual Report of Form 10-K of Synopsys, Inc. for year ended September 30, 1997.

DELOITTE & TOUCHE LLP

San Jose, California
December 11, 1998