<SEC-DOCUMENT>0000813672-15-000017-index.html : 20150713
<SEC-HEADER>0000813672-15-000017.hdr.sgml : 20150713
<ACCEPTANCE-DATETIME>20150710175159
ACCESSION NUMBER:		0000813672-15-000017
CONFORMED SUBMISSION TYPE:	10-K/A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20150103
FILED AS OF DATE:		20150713
DATE AS OF CHANGE:		20150710

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CADENCE DESIGN SYSTEMS INC
		CENTRAL INDEX KEY:			0000813672
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				770148231
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		10-K/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15867
		FILM NUMBER:		15984453

	BUSINESS ADDRESS:	
		STREET 1:		2655 SEELY AVENUE BLDG 5
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		4089431234

	MAIL ADDRESS:	
		STREET 1:		2655 SEELY AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ECAD INC /DE/
		DATE OF NAME CHANGE:	19880609
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-K/A
<SEQUENCE>1
<FILENAME>cdns0103201510-ka.htm
<DESCRIPTION>10-K/A
<TEXT>
Document 1 - file: cdns0103201510-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.01
<SEQUENCE>2
<FILENAME>ex2301cdns0103201510-ka.htm
<DESCRIPTION>EXHIBIT 23.01
<TEXT>
Document 2 - file: ex2301cdns0103201510-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.01
<SEQUENCE>3
<FILENAME>ex3101cdns0103201510-ka.htm
<DESCRIPTION>EXHIBIT 31.01
<TEXT>
Document 3 - file: ex3101cdns0103201510-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.02
<SEQUENCE>4
<FILENAME>ex3102cdns0113201510-ka.htm
<DESCRIPTION>EXHIBIT 31.02
<TEXT>
Document 4 - file: ex3102cdns0113201510-ka.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>cdnslogoa01a01a01a02.jpg
<TEXT>
Document 5 - file: cdnslogoa01a01a01a02.jpg

</DOCUMENT>
</SEC-DOCUMENT>