POWER OF ATTORNEY
      The undersigned, as a Section 16 reporting person of
Catalyst Semiconductor, Inc. (the "Company"), hereby constitutes
and appoints Gelu Voicu, David P Eichler and Wilson Sonsini
Goodrich & Rosati, and each of them, the undersigned's true
and lawful attorney-in-fact to 1. complete and execute
such Forms 3, 4 and 5 and other forms and all amendments
thereto as such attorney shall in his or her
discretion determine to be required or advisable pursuant to
Section 16 of the Securities Exchange Act of 1934 (as amended),
and the rules and regulations promulgated thereunder,
or any successor laws and regulations, as a consequence of the
undersigned's ownership, acquisition or disposition of securities
of the Company, and 2. do all acts necessary in order to file
such forms with the Securities and Exchange Commission,
any securities exchange or national association, the Company
and such other person or agency as the attorney shall deem appropriate.
The undersigned hereby ratifies and confirms all that said attorneys-in-
fact and agents shall do or cause to be done by virtue hereof.  The
undersigned acknowledges that the foregoing attorneys-in-fact,
in serving in such 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 (as amended).
      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 21st day of April, 2008.

	Signature
	/s/ Henry C. Montgomery
	Type or Print Name