0000950134-04-007122 S-8 4 20040510 20040510 CADENCE DESIGN SYSTEMS INC 0000813672 7372 770148231 DE 0102 S-8 33 333-115349 04794049 2655 SEELY ROAD BLDG 5 SAN JOSE CA 95134 4089431234 555 RIVER OAKS PARKWAY SAN JOSE CA 95134 ECAD INC /DE/ 19880609 S-8 1 f98866orsv8.htm FORM S-8 EX-5.1 2 f98866orexv5w1.txt EXHIBIT 5.1 EX-23.1 3 f98866orexv23w1.txt EXHIBIT 23.1 EX-23.2 4 f98866orexv23w2.txt EXHIBIT 23.2