UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549

                                    Form 8-K

                                 Current Report

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

       Date of Report (Date of earliest event reported): February 9, 2005


                       Monolithic System Technology, Inc.
             (Exact name of registrant as specified in its charter)

                                    000-32929
                            (Commission File Number)

            Delaware                                    77-0291941
  (State or other jurisdiction            (I.R.S. Employer Identification No.)
         of incorporation)


                               1020 Stewart Drive
                           Sunnyvale, California 94085
             (Address of principal executive offices, with zip code)

                                 (408) 731-1800
              (Registrant's telephone number, including area code)


     Check the appropriate box below if the Form 8-K filing is intended to
simultaneously satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

|_|  Written communications pursuant to Rule 425 under the Securities Act (17
     CFR 230.425)

|_|  Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
     240.14a-12)

|_|  Pre-commencement communications pursuant to Rule 14d-2(b) under the
     Exchange Act (17 CFR 240.14d-2(b))

|_|  Pre-commencement communications pursuant to Rule 13e-4(c) under the
     Exchange Act (17 CFR 240.13e-4(c))




Item 2.02 Results of Operations and Financial Condition.

On February 9, 2005, Monolithic System Technology, Inc. issued a press release
announcing its financial results for the fourth fiscal quarter and full fiscal
year ended December 31, 2004. A copy of this press release is furnished as
Exhibit 99.1 to this report.

The information disclosed under this Item 2.02, including Exhibit 99.1 hereto,
shall not be deemed "filed" for purposes of Section 18 of the Securities
Exchange Act of 1934, and shall not be deemed incorporated by reference into any
filing made under the Securities Act of 1933, except as expressly set forth by
specific reference in such filing.

Item 9.01 Financial Statements and Exhibits.

(c) Exhibits.

Exhibit No.                        Description                                 
================================================================================
99.1              Press Release issued February 9, 2005
====



                                   SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the
Registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

                                  MONOLITHIC SYSTEM TECHNOLOGY, INC.


Date: February 9, 2005            By: /s/ Mark Voll                             
                                      ------------------------------------------
                                      Mark Voll
                                      Chief Financial Officer and Vice President
                                      Finance and Administration



                                  EXHIBIT INDEX

Exhibit No.                        Description 
================================================================================
   99.1           Press Release issued February 9, 2005
=======================================================