UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  SCHEDULE 13G

                   UNDER THE SECURITIES EXCHANGE ACT OF 1934*



                        Cypress Semiconductor Corporation
--------------------------------------------------------------------------------
                                (Name of Issuer)

                          Common Stock, $0.01 par value
--------------------------------------------------------------------------------
                         (Title of Class of Securities)

                                    232806109
--------------------------------------------------------------------------------
                                 (CUSIP Number)

                                  June 27, 2008
--------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed

        Rule 13d-1(b)

    |X| Rule 13d-1(c)

        Rule 13d-1(d)

---------------------

*        The remainder of this cover page shall be filled out for a reporting
         person's initial filing on this form with respect to the subject class
         of securities, and for any subsequent amendment containing information
         which would alter the disclosures provided in a prior cover page.


The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the
Notes).





----------------------------
CUSIP No. 232806109
----------------------------

--------------------------------------------------------------------------------

    1       NAME OF REPORTING PERSONS
            I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS

            Mason Capital Management LLC, in its capacity as investment manager
            for certain investment funds and managed accounts
--------------------------------------------------------------------------------
    2       CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                       (a) |_|
                                                                       (b) |X|
--------------------------------------------------------------------------------
    3       SEC USE ONLY

--------------------------------------------------------------------------------
    4       CITIZENSHIP OR PLACE OF ORGANIZATION

                     Delaware
--------------------------------------------------------------------------------
    NUMBER OF           5      SOLE VOTING POWER
     SHARES
  BENEFICIALLY                       8,170,483 shares of Common Stock
    OWNED BY         -----------------------------------------------------------
      EACH              6      SHARED VOTING POWER
    REPORTING
   PERSON WITH                       -0-
                     -----------------------------------------------------------
                        7      SOLE DISPOSITIVE POWER

                                     8,170,483 shares of Common Stock
                     -----------------------------------------------------------
                        8      SHARED DISPOSITIVE POWER

                                     -0-
--------------------------------------------------------------------------------
    9       AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

                     8,170,483 shares of Common Stock
--------------------------------------------------------------------------------
    10      CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES
            CERTAIN SHARES*
--------------------------------------------------------------------------------
    11      PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)

                     5.4%
--------------------------------------------------------------------------------
    12      TYPE OF REPORTING PERSON*

                     PN
--------------------------------------------------------------------------------
                      *SEE INSTRUCTIONS BEFORE FILLING OUT





                                  SCHEDULE 13G


ITEM 1(a).       NAME OF ISSUER:
                 --------------

                 Cypress Semiconductor Corporation


ITEM 1(b).       ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES:
                 -----------------------------------------------
                 198 Champion Court
                 San Jose, California  95134


ITEM 2(a).       NAME OF PERSON FILING:
                 -----------------------------------------

      This  Schedule  is being  filed by Mason  Capital  Management  LLC ("Mason
      Management"), a Delaware limited liability company, with respect to shares
      of Common Stock directly owned by Mason Capital,  LP ("Mason Capital LP"),
      a Delaware limited partnership; Mason Capital, Ltd. ("Mason Capital Ltd"),
      a corporation  organized under the laws of the Cayman Islands; and certain
      other funds and accounts (the "Managed Accounts").

      Mason  Management is the  investment  manager of each of Mason Capital LP,
      Mason Capital Ltd and the Managed  Accounts,  and Mason  Management may be
      deemed to have  beneficial  ownership  over the  shares  of  Common  Stock
      reported  in this  Schedule  by virtue of the  authority  granted to Mason
      Management by Mason Capital LP, Mason Capital Ltd and the Managed Accounts
      to vote and dispose of such shares.

ITEM 2(b).     ADDRESS OF PRINCIPAL BUSINESS OFFICE:
               ------------------------------------

      The address of each of Mason Management, Mason Capital LP and Mason
Capital Ltd, for purposes of this filing, is:

                            110 East 59th Street
                            New York, New York 10022

ITEM 2(c).     CITIZENSHIP:
               ------------------------------------
               The place of organization of Mason Management is Delaware.


ITEM 2(d).     TITLE OF CLASS OF SECURITIES:
               ----------------------------
               Common Stock, $0.01 par value


ITEM 2(e).     CUSIP NUMBER:
               ------------
               232806109



ITEM 4.(a),
(b) AND (c)    OWNERSHIP.
               ---------

      Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

               (a) Amount beneficially owned: 8,170,483 shares of Common Stock.

               (b) Percent of class: 5.4%.

               (c) Number of shares as to which such person has:

                    (i)   Sole power to vote or direct the vote 8,170,483 shares
                          of Common Stock.

                    (ii)  Shared power to vote or direct the vote -0-.

                    (iii) Sole power to dispose or direct the disposition of
                          8,170,483 shares of Common Stock.

                    (iv)  Shared power to dispose or direct the disposition of
                          -0-.

          The  number  of shares  beneficially  owned as of July 7, 2008 and the
          percentage  of  outstanding  shares  represented   thereby  for  Mason
          Management  have been computed in accordance with Rule 13d-3 under the
          Securities  Exchange  Act of  1934,  as  amended.  The  percentage  of
          ownership  described  above is based on  150,563,294  shares of Common
          Shares  outstanding  as of April 30, 2008, as reported in the issuer's
          Quarterly  Report on Form 10-Q filed with the  Securities and Exchange
          Commission on May 9, 2008.

ITEM 5.        OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS.
               --------------------------------------------

          If this  statement  is being  filed to report  the fact that as of the
          date hereof the reporting person has ceased to be the beneficial owner
          of more  than  five  percent  of the  class of  securities,  check the
          following |_|.


ITEM 6.        OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.
               ---------------------------------------------------------------

          The right to receive dividends from, or the proceeds from the sale of,
          all shares of Common Stock reported in this statement as  beneficially
          owned by Mason  Management  is held by Mason Capital LP, Mason Capital
          Ltd or the Managed Accounts,  as the case may be, all of which are the
          advisory  clients  of  Mason  Management.  To the  knowledge  of Mason
          Management,  none of these  advisory  clients  holds  such  right with
          respect to more than five  percent of the  outstanding  Common  Stock.
          Mason Management itself disclaims  beneficial  ownership of all shares
          of Common  Stock  reported  in this  statement  pursuant to Rule 13d-4
          under the Securities Exchange Act of 1934, as amended.




ITEM 7.        IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH
               ---------------------------------------------------------
               ACQUIRED THE SECURITIES BEING REPORTED ON BY THE PARENT
               --------------------------------------------------------
               HOLDING COMPANY.
               ---------------

          Not applicable.

ITEM 8.        IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.
               ---------------------------------------------------------

          Not applicable.

ITEM 9.        NOTICE OF DISSOLUTION OF GROUP.
               ------------------------------

          Not applicable.






ITEM 10. CERTIFICATION.
         -------------

         By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control of the
issuer of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.

                                    SIGNATURE
                                    ---------

         After reasonable inquiry and to the best of the knowledge and belief of
the undersigned Reporting Person, the undersigned Reporting Person certifies
that the information set forth in this statement with respect to it is true,
complete and accurate.

Dated:  July 7, 2008


                                          MASON CAPITAL MANAGEMENT LLC


                                          By: /s/ John Grizzetti
                                             -----------------------------
                                             John Grizzetti
                                             Chief Financial Officer