POWER OF ATTORNEY


	Know all by these presents, that the undersigned hereby authorizes
David E. Sweet, Robert Yin, or Patricia Tom to execute for and on behalf of
the undersigned Forms 3, 4, and 5, and any Amendments thereto for Cardica,
Inc. ("the Company"), and cause such form(s) to be filed with the United
States Securities and Exchange Commission pursuant to Section 16(a) of the
Securities Act of 1934, relating to the undersigned's beneficial ownership
of securities in the Company.   The undersigned hereby grants 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 the undersigned 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. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such a capacity at the request of the undersigned, are not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934.
	This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4, and 5 with respect
to the undersigned's holdings of, and transactions in, securities issued by
the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.
	In witness whereof, the undersigned has caused this Power of Attorney
to be executed as of this 27th day of January, 2006.


                                    SUTTER HILL ENTREPRENEURS FUND (AI), L.P.


                              /s/   William H. Younger, Jr.
                                    Managing Director of the General Partner