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                                                  Filed by LSI Logic Corporation
                           Pursuant to Rule 425 under the Securities Act of 1933
                                       Subject Company: C-Cube Microsystems Inc.
                                                  Commission File No.: 333-58862



              LSI LOGIC C-CUBE ACQUISITION RECEIVES CLEARANCE FROM
                          GERMAN ANTITRUST AUTHORITIES

MILPITAS, CALIF., MAY 10, 2001 -- LSI Logic Corporation (NYSE: LSI) announced
today that it has received clearance from German antitrust authorities to
complete the exchange offer and subsequent merger in connection with the
acquisition of C-Cube Microsystems Inc. (Nasdaq: CUBE).

LSI Logic commenced the exchange offer on April 13, offering 0.79 of a share of
LSI Logic common stock for each share of C-Cube common stock that is tendered
and not properly withdrawn prior to the expiration of the offer at midnight EDT,
May 10.

After the expiration of the exchange offer, LSI Logic intends to complete the
acquisition of C-Cube by merging a wholly owned subsidiary of LSI Logic into
C-Cube, after which C-Cube will become a wholly owned subsidiary of LSI Logic.

SAFE HARBOR FOR FORWARD-LOOKING STATEMENTS:

The statements made in this news release include forward-looking statements
within the meaning of Section 27A of the Securities Act of 1933 and Section 21E
of the Securities and Exchange Act of 1934. LSI Logic's actual results in future
periods may be materially different from any performance suggested in this news
release. In the context of forward-looking information provided in this news
release, reference is made to the discussion of risk factors detailed in LSI
Logic's filings as made from time-to-time with the Securities and Exchange
Commission, including but not limited to filings made during the past 12 months.

ADDITIONAL INFORMATION AND WHERE TO FIND IT:

Investors and security holders are advised to read LSI Logic's registration
statement on Form S-4 and the tender offer statement on Schedule TO with respect
to the exchange offer and C-Cube's solicitation/recommendation statement on
Schedule 14D-9, and any amendments or supplements to these documents. These
documents contain important information about the exchange offer and the merger.
Investors and security holders are urged to read these documents carefully and
may obtain free copies of these documents through the website maintained by the
U.S. Securities and Exchange Commission at http://www.sec.gov. In addition to
the registration statement on Form S-4, the Schedule TO and the Schedule 14D-9,
LSI Logic and C-Cube each file annual, quarterly and special reports, proxy
statements and other information with the Securities and Exchange Commission.
Investors and security holders may read and copy any reports, statements or
other information filed by LSI Logic or C-Cube at the Securities and Exchange
Commission's public reference room located at 450 Fifth Street, N.W.,
Washington, DC 20549 or at any of the Securities and Exchange Commission's other
public reference rooms in New York, New York or Chicago, Illinois. Please


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call the Securities and Exchange Commission at 800-SEC-0330 for further
information on the public reference rooms.

ABOUT LSI LOGIC

LSI Logic Corporation (NYSE: LSI) is a leading designer and manufacturer of
communications and storage semiconductors for applications that access,
interconnect and store data, voice and video. In addition, the company supplies
storage network solutions for the enterprise. LSI Logic is headquartered at 1551
McCarthy Boulevard, Milpitas, CA 95035, 866-574-5741 (within U.S.), 719-533-7679
(outside U.S.), www.lsilogic.com.

ABOUT C-CUBE MICROSYSTEMS

C-Cube Microsystems (Nasdaq:CUBE) is a worldwide leader in digital media
processing and is leading the way with new communication processors and
networked consumer products. With a focus on DVD, set-top boxes and CODEC
enabled products, C-Cube is driving the technology for the "networked digital
home." C-Cube is headquartered in Milpitas, California and has offices in North
America, Europe and Asia. For more information please visit our web site at
www.c-cube.com. C-Cube, the C-Cube logo or registered trademarks are the
property of their respective owners.




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