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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549

                                     FORM 4

                  STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

    Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934,
       Section 17(a) of the Public Utility Holding Company Act of 1935 or
               Section 30(h) of the Investment Company Act of 1940

|_|  Check this box if no longer subject to Section 16. Form 4 or Form 5
     obligations may continue. See Instruction 1(b).

(Print of Type Responses)
________________________________________________________________________________
1.   Name and Address of Reporting Person*

     Pearson                        Robert               C.
--------------------------------------------------------------------------------
   (Last)                           (First)             (Middle)
     8080 N. Central Expressway
     Suite 210, LB-59
--------------------------------------------------------------------------------
                                    (Street)
     Dallas                         TX                   75206

--------------------------------------------------------------------------------
   (City)                           (State)              (Zip)


________________________________________________________________________________
2.   Issuer Name and Ticker or Trading Symbol

     Simtek Corporation (SRAM)
________________________________________________________________________________
3.   I.R.S. Identification Number of Reporting Person, if an entity (voluntary)


________________________________________________________________________________
4.   Statement for Month/Day/Year

     April 16, 2003
________________________________________________________________________________
5.   If Amendment, Date of Original (Month/Day/Year)


________________________________________________________________________________
6.   Relationship of Reporting Person(s) to Issuer
     (Check all applicable)

     |X|  Director                             |_|  10% Owner
     |_|  Officer (give title below)           |_|  Other (specify below)

     ____________________________________________________________________
________________________________________________________________________________
7.   Individual or Joint/Group Filing (Check Applicable line)

     |X|  Form Filed by One Reporting Person
     |_|  Form Filed by More than One Reporting Person
________________________________________________________________________________


================================================================================
           Table I -- Non-Derivative Securities Acquired, Disposed of,
                             or Beneficially Owned
================================================================================


                                                                                                 5.
                                                                                                 Amount of      6.
                                                                 4.                              Securities     Owner-
                                                                 Securities Acquired (A) or      Beneficially   ship
                                       2A.          3.           Disposed of (D)                 Owned          Form:     7.
                            2.         Deemed       Transaction  (Instr. 3, 4 and 5)             Following      Direct    Nature of
                            Trans-     Execution    Code         ------------------------------- Reported       (D) or    Indirect
1.                          action     Date, if     (Instr. 8)                   (A)             Transaction(s) Indirect  Beneficial
Title of Security           Date       any          ------------                 or              (Instr. 3 &    (I)       Ownership
(Instr. 3)                  (mm/dd/yy) (mm/dd/yy)    Code     V      Amount      (D)    Price     Instr.4)      (Instr.4) (Instr.4)
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Common stock                                                                                     1,000,000       I        (1)(5)
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Common stock                                                                                     1,000,000       I        (2)(5)
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====================================================================================================================================

Explanation of Responses:

(1)  Represents  securities  owned by  Renaissance  Capital Growth & Income Fund
     III, Inc. ("RENN III").
(2)  Represents  securities owned by Renaissance US Growth  Investment Trust PLC
     ("RUSGIT").
(3)  Represents  securities  owned by BFS US  Special  Opportunities  Trust  PLC
     ("BFSUS").
(4)  Represents  securities  owned by  Renaissance  Capital Group,  Inc.  ("RENN
     Group").
(5)  Reporting  person is an  executive  officer of RENN Group  which  serves as
     Investment  Adviser to RENN III and BFSUS and Investment  Manager to RUSGIT
     and may therefore be considered beneficial owner of such shares.  Reporting
     person disclaims such beneficial ownership.

                                                                          Page 2



FORM 4 (continued)

Table II -- Derivative Securities Acquired, Disposed of, or Beneficially Owned
            (e.g., puts, calls, warrants, options, convertible securities)

================================================================================


                                                                                                          9.
                                                                                                          Number    10.
                                                                                                          of        Owner-
                                                                                                          deriv-    ship
                                                                                                          ative     Form
             2.                                                                                           Secur-    of
             Conver-                            5.                              7.                        ities     Deriv-   11.
             sion                               Number of                       Title and Amount          Bene-     ative    Nature
             or                                 Derivative    6.                of Underlying     8.      ficially  Secur-   of
             Exer-            3A.      4.       Securities    Date              Securities        Price   Owned     ity:     In-
             cise             Deemed   Trans-   Acquired (A)  Exercisable and   (Instr. 3 and 4)  of      Follow-   Direct   direct
             Price   3.       Execut-  action   or Disposed   Expiration Date   ----------------  Deriv-  ing       (D) or   Bene-
1.           of      Trans-   ion      Code     of(D)         (Month/Day/Year)            Amount  ative   Reported  In-      ficial
Title of     Deriv-  action   Date if  (Instr.  (Instr. 3,    ----------------            or      Secur-  Trans-    direct   Owner-
Derivative   ative   Date     any      8)       4 and 5)      Date     Expira-            Number  ity     action(s) (I)      ship
Security     Secur-  (mm/dd/  (mm/dd/  ------   ------------  Exer-    tion               of      (Instr. (Instr.   (Instr.  (Instr.
(Instr. 3)   ity     yy)      yy)      Code V    (A)   (D)    cisable  Date     Title     Shares  5)      4)        4)       4)
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$1,000,000
Convertible
7.5% Debenture                                                                                    $0.312  3,205,128  I      (1)(5)
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$1,000,000
Convertible
7.5% Debenture                                                                                    $0.312  3,205,128  I      (2)(5)
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$1,000,000
Convertible
7.5% Debenture                                                                                    $0.312  3,205,128  I      (3)(5)
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Options       $0.165  04/15/03         A        5,288         10/15/03  04/15/10 Common    5,288  $0.165      5,288  I      (1)(5)
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Options       $0.165  04/15/03         A        9,712         10/15/03  04/15/10 Common    9,712  $0.165      9,712  I      (1)(4)
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====================================================================================================================================

Explanation of Responses:

(1)  Represents  securities  owned by  Renaissance  Capital Growth & Income Fund
     III, Inc. ("RENN III").
(2)  Represents  securities owned by Renaissance US Growth  Investment Trust PLC
     ("RUSGIT").
(3)  Represents  securities  owned by BFS US  Special  Opportunities  Trust  PLC
     ("BFSUS").
(4)  Represents  securities  owned by  Renaissance  Capital Group,  Inc.  ("RENN
     Group").
(5)  Reporting  person is an  executive  officer of RENN Group  which  serves as
     Investment  Adviser to RENN III and BFSUS and Investment  Manager to RUSGIT
     and may therefore be considered beneficial owner of such shares.  Reporting
     person disclaims such beneficial ownership.



/S/ Robert C. Pearson                                       04/21/2003
---------------------------------------------            -----------------------
      **Signature of Reporting Person                             Date

Reminder: Report on a separate line for each class of securities beneficially
          owned directly or indirectly.

*     If the form is filed by more than one reporting person, see Instruction
      4(b)(v).

**     Intentional misstatements or omissions of facts constitute Federal
       Criminal Violations.

       See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note:  File three copies of this Form, one of which must be manually signed.
       If space is insufficient, see Instruction 6 for procedure.


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