POWER OF ATTORNEY
I, Surendra Babu Mandava, hereby authorize Lip-Bu Tan, Geoffrey G.
Ribar, James J. Cowie, Yoonie Y. Chang, Shirley X. Li, Christopher W. Yap
or Elizabeth R. Villalobos of Cadence Design Systems, Inc., a Delaware
corporation (the "Company"), to sign and file on my behalf the Initial
Statement of Beneficial  Ownership  of  Securities on  Form  3, the
Statements  of Changes in Beneficial Ownership on Forms 4 and 5 and any
amendments and applications thereto, to be filed with the U.S. Securities
and Exchange Commission pursuant to Section 16(a) of the Securities Act
of 1934, as amended, relating to my beneficial ownership of securities
in the Company.

I hereby grant to each such attorney-in-fact full power and authority
to do and perform any and every act and thing whatsoever requisite,
necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as
I might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all
that such attorney-in-fact, or such attorney-in-fact's substitute
or substitutes, shall lawfully do or cause to be done by virtue of
this power of attorney and the rights and powers herein granted.
I acknowledge that the foregoing attorney-in-fact, in serving in
such capacity at my request, is not assuming, nor is the Company
assuming, any of my responsibilities to comply with Section 16 of
the Securities Exchange Act of 1934, as amended.

This authorization supersedes any prior authorization and shall
remain in effect until I am no longer required to file forms under
Section 16 of the Securities Exchange Act of 1934, as amended, with
respect to the Company's securities, unless earlier revoked in writing
delivered to the foregoing attorneys-in-fact.

Date: Jan. 17, 2017

/s/ Surendra Babu Mandava
Surendra Babu Mandava