SIMTEK CORP
S-3, 1997-10-06
SEMICONDUCTORS & RELATED DEVICES
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     As filed with the Securities and Exchange Commission on October 6, 1997
                                                        Registration 333-_______
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    --------
                                    Form S-3
               REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF
                                      1933

                               SIMTEK CORPORATION
             (Exact name of registrant as specified in its charter)

        Colorado                                                 84-1057605
(State or other jurisdiction                                 (I.R.S. Employer
of incorporation or organization)                            Identification No.)


                     1465 Kelly Johnson Boulevard, Suite 301
                        Colorado Springs, Colorado 80920
                                 (719) 531-9444
               (Address, including zip code, and telephone number,
              including area code, of Principal Executive Offices)
                                   ----------
                               Richard L. Petritz
                             Chief Executive Officer
                               Simtek Corporation
                     1465 Kelly Johnson Boulevard, Suite 301
                           Colorado Springs, CO 80920
                                 (719) 531-9444
                (Name, address, including zip code and telephone
               number, including area code, of agent for service)

                                   Copies to:
                              Garth B. Jensen, Esq.
                            Holme Roberts & Owen LLP
                            1700 Lincoln, Suite 4100
                                Denver, Co 80203
                                 (303) 861-7000

         Approximate  Date of  Commencement  of Proposed Sale to the Public:  As
soon as practicable after the effective date of this Registration Statement.
                                  -------------
         If the only securities  being registered on this Form are being offered
pursuant  dividend or interest  reinvestment  plans,  please check the following
box. / /

         If any of the  securities  being  registered  on this  form  are  being
offered  on a  delayed  or  continuous  basis  pursuant  to Rule 415  under  the
Securities Act of 1933, check the following box. /X/
                                -----------------

<PAGE>
<TABLE>
<CAPTION>

                                          CALCULATION OF REGISTRATION FEE

- -------------------------------------------------------------------------------------------------------------------------
|                                             |                    |   Proposed     |     Proposed     |                |
|                                             |                    |    maximum     |      maximum     |                |
|                                             |                    |   offering     |     aggregate    |     Amount of  |
|   Title of each class of securities to be   |   Amount to be     |     price      |     offering     |   registration |
|                 registered                  |   registered(1)    |  per share(2)  |       price      |        fee     |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|<S>                                          |   <C>              |     <C>        |    <C>           |      <C>       |
|Common Stock, (par value $.01 per share)     |   2,727,563 shs    |     $1.19      |    $3,245,800    |      $1,119    |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|Common Stock, (par value $.01 per share)     |     843,150 shs    |     $0.50      |    $  421,575    |      $  145    |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|Common Stock, (par value $.01 per share)     |     400,000 shs    |     $1.60      |    $  640,000    |      $  221    |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|Common Stock (par value $.01 per share)      |     281,175 shs(3) |     $1.82      |    $  511,739    |      $  176    |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|Common Stock (par value $.01 per share)      |     822,825 shs(4) |     $1.56      |    $1,283,608    |      $  443    |
|---------------------------------------------|--------------------|----------------|------------------|----------------|
|Totals                                       |   5,074,713 shs    |                |    $6,102,722    |      $2,104    |
 ------------------------------------------------------------------------------------------------------------------------
</TABLE>
(1)  This Registration  Statement relates to Common Stock issuable upon exercise
     of outstanding Warrants.  Pursuant to Rule 416, this Registration Statement
     also covers such  indeterminable  number of additional shares as may become
     issuable pursuant to adjustments under the warrants.

(2)  The per share  exercise  price of the  outstanding  Warrants  adjusted  for
     anti-dilution provisions in the Warrant Agreements.

(3)  The Warrant within the Representative Warrants granted on February 25, 1993
     was for an exercise price of $2.97 with anti-dilution provisions.

(4)  The original 172,500  Representative  Warrants granted on February 25, 1993
     were  actually  units  consisting  of three  shares of Common Stock and one
     Class B Warrant for a price of $7.425 per unit.  The units will  eventually
     split up thus creating  517,500  shares of Common Stock at a exercise price
     of $2.475.  These shares contain  anti-dilution  provisions detailed in the
     Representative Warrant Agreement.

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

     The Registrant  hereby amends this  Registration  Statement on such date or
dates as may be necessary to delay its effective date until the registrant shall
file a further  amendment  which  specifically  states  that  this  Registration
Statement shall thereafter  become effective in accordance with Section 8 (a) of
the  Securities  Act of 1933 or until the  Registration  Statement  shall become
effective on such date as the Commission, acting pursuant to said Section 8 (a),
may determine.



<PAGE>


The following language appears in red on the left side of the cover page:

INFORMATION   CONTAINED  HEREIN  IS  SUBJECT  TO  COMPLETION  OR  AMENDMENT.   A
REGISTRATION  STATEMENT  RELATING  TO THESE  SECURITIES  HAS BEEN FILED WITH THE
SECURITIES  AND EXCHANGE  COMMISSION.  THESE  SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION  STATEMENT  BECOMES
EFFECTIVE.  THIS  PROSPECTUS  SHALL  NOT  CONSTITUTE  AN  OFFER  TO  SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE  SECURITIES
IN ANY STATE IN WHICH SUCH OFFER,  SOLICITATION  OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.

                  SUBJECT TO COMPLETION, DATED OCTOBER 6, 1997

PROSPECTUS
                                5,074,713 Shares

                               SIMTEK CORPORATION

                                  Common Stock
                                   ----------

     Simtek Corporation  ("Simtek" or the "Company") intends to issue, from time
to time, up to 5,074,713  shares of its Common  Stock,  par value $.01 per share
("Common Stock"), upon the exercise of outstanding warrants (the"Warrants"). The
Warrants were originally issued in several  transactions in the period from 1989
through 1994 as described in the Warrant Table (the  "Warrant  Table") under the
heading "Plan of  Distribution".  The Warrants are  exercisable on or before the
issue date for each respective group of warrants shown on the Warrant Table. The
Warrants  must be  exercised  prior to 5:30  p.m.,  New York City  time,  on the
expiration date shown for the respective group of Warrants on the Warrant Table.
The exercise and transfer of the Warrants will be subject to applicable  federal
and state securities laws.

     Holders of Common  Stock are  entitled to one vote per share on all matters
submitted to a vote of the stockholders of the Company.

     The  Company's  Common Stock is traded on the OTC Bulletin  Board under the
symbol "SRAM". On September 25, 1997, the closing sale price of the Common Stock
as reported by the OTC Bulletin Board, was $0.41 per share.

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

SEE "RISK FACTORS"  BEGINNING ON PAGE 5 FOR A DISCUSSION OF CERTAIN FACTORS THAT
SHOULD BE CONSIDERED BY PROSPECTIVE INVESTORS.

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

          THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE
           SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES
          COMMISSION NOR HAS THE SECURITIES AND EXCHANGE COMMISSION OR
           ANY STATE SECURITIES COMMISSION PASSED UPON THE ACCURACY OR
              ADEQUACY OF THE PROSPECTUS. ANY REPRESENTATION TO THE
                         CONTRARY IS A CRIMINAL OFFENSE.
<TABLE>
<CAPTION>
- -----------------------------------------------------------------------------------------------------------------
|                                           |  Price to Public   |   Underwriting Discounts | Total Proceeds to |
|                                           |                    |    and Commissions (1)   |  Company (2) (3)  |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| <S>                                       |  <C>               |            <C>           |   <C>             |
| Group One                                 |     $1.19          |            $0            |       $1.19       |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| Group Two                                 |     $0.50          |            $0            |       $0.50       |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| Group Three                               |     $1.60          |            $0            |       $1.60       |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| Group Four                                |     $1.82          |            $0            |       $1.82       |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| Group Five                                |     $1.563         |            $0            |       $1.56       |
|-------------------------------------------|--------------------|--------------------------|-------------------|
| Total ................................... |  $6,102,722        |            $0            |    $6,102,722     |
- -----------------------------------------------------------------------------------------------------------------

(1)  No underwriting discounts or commissions will be paid.  The shares will be offered directly by Simtek.
(2)  Before deducting registration expenses estimated at $27,100.
(3)  Assumes all of the Warrants are exercised.
</TABLE>

              The date of this Prospectus is _______________, 1997.


<PAGE>
<TABLE>
<CAPTION>

                                                TABLE OF CONTENTS
<S>                                                <C>    <C>                                               <C>  
Available Information............................  2      Use of Proceeds ................................  10
Information Incorporated by Reference............  2      Plan of Distributions...........................  10
The Company......................................  4      Legal Matters...................................  12
Risk Factors.....................................  5      Experts.........................................  12
</TABLE>


                              AVAILABLE INFORMATION

     The Company is subject to the  information  requirements  of the Securities
Exchange  Act of 1934,  as  amended  (the  "Exchange  Act"),  and in  accordance
therewith  files  reports,  proxy  statements  and  other  information  with the
Securities  and  Exchange  Commission  (the"Commission").  Such  reports,  proxy
statements and other  information may be inspected without charge at, and copies
thereof  may  be  obtained  at  prescribed  rates  from,  the  public  reference
facilities  of the  Commission's  principal  office at 450 Fifth  Street,  N.W.,
Washington,  D.C.  20549 and at the  Commission's  regional  offices at 500 West
Madison Street,  Suite 1400,  Chicago,  Illinois 60661 and 7 World Trade Center,
Suite 1300, New York, NY 10048.

     The Company has filed with the Commission, a Registration Statement on Form
S-3 under the Securities  Act of 1933, as amended  (the"Securities  Act"),  with
respect to the securities  offered hereby (the "Registration  Statement").  This
prospectus does not contain all of the information set forth in the Registration
Statement and the exhibits and schedules thereto.  For further  information with
respect to the Company and the securities  offered  hereby  reference is made to
the Registration Statement,  including the exhibits and schedules thereto, which
may be  inspected  at, and copies  thereof may be obtained at  prescribed  rates
from,  the public  reference  facilities of the  Commission at the addresses set
forth above.

                      INFORMATION INCORPORATED BY REFERENCE

     The  following  documents  have been  filed with the  Commission  (File No.
0-19027) and are  incorporated  in this  prospectus by reference and made a part
hereof:

      1.  The Company's Annual Report on Form 10-KSB for the year ended December
          31, 1996 (the "Form 10- KSB Report").

      2.  The  Company's  Quarterly  Report on Form 10-QSB for the quarter ended
          March 31, 1997.

      3.  The  Company's  Quarterly  Report on Form 10-QSB for the quarter ended
          June 30, 1997.

      4.  The Company's Report on Form 8-K dated January 28, 1997.

      5.  The Company's Report on Form 8-K dated May 20, 1997.

      6.  The Company's Report on Form 8-K dated July 1, 1997.

      7.  The Company's Report on Form 8-K dated July 28, 1997.

      8.  The Company's Report on Form 8-K dated September 3, 1997.

      9.  The  description  of the Company's  Common Stock  contained  under the
          heading  "Description  of  Securities"  in the Company's  Registration
          Statement on Form S-1 (File No. 33-72204) that was declared  effective
          by the Commission on January 31, 1994.

     All documents subsequently filed by the Company pursuant to Sections 13(a),
13(c),  14 or 15(d) of the Exchange Act,  after the date of this  prospectus and

                                       2

<PAGE>

prior to the termination of the Offering,  shall be deemed to be incorporated by
reference in this prospectus and to be a part hereof from the dates of filing of
such documents.

     Any  statement  contained  in a  document  incorporated  or  deemed  to  be
incorporated by reference in this  prospectus  shall be deemed to be modified or
superseded  for  purposes  of this  prospectus  to the extent  that a  statement
contained herein or in any other subsequently filed document which also is or is
deemed to be incorporated by reference in this prospectus modifies or supersedes
such  statement.  Any statement so modified or  superseded  shall not be deemed,
except as so modified or superseded to constitute a part of this prospectus.

     The  Company  will  provide  without  charge  to each  person  to whom this
prospectus is delivered,  upon such person's written or oral request,  a copy of
any and all of the information  that has been  incorporated by reference in this
prospectus (not including  exhibits to such information unless such exhibits are
specifically incorporated by reference into such information).  Any such request
should be directed to Simtek  Corporation,  Chief Operating Officer,  1465 Kelly
Johnson  Blvd.  #301,   Colorado  Springs,   Colorado  80920  (telephone  number
719-531-9444).


                                        3

<PAGE>



                                   THE COMPANY

     Simtek Corporation designs, develops, produces and markets high performance
nonvolatile semiconductor memories.  Nonvolatility prevents loss of programs and
data when electrical power is removed. The Company's nonvolatile memory products
feature fast data access and  programming  speeds and  electrical  reprogramming
capabilities.  Simtek's  products are targeted for use in commercial  electronic
equipment markets such as industrial control systems, office automation, medical
instrumentation,  telecommunication  systems,  cable  television,  and  numerous
military systems, including communications, radar, sonar and smart weapons.

     The  principal  executive  office of the  Company  is located at 1465 Kelly
Johnson  Blvd.,  Suite 301,  Colorado  Springs,  Colorado  80920.  The Company's
telephone number is 719-531-9444.  Unless the context  otherwise  requires,  the
terms "Simtek" and the "Company" refer to Simtek Corporation.


                                        4

<PAGE>




                                  RISK FACTORS

     Warrant holders should  carefully  consider the following risk factors,  in
addition to the other information contained in or incorporated by reference into
this  Prospectus,  in  evaluating  an  investment  in the shares of Common Stock
pursuant to exercise of the Warrants.

LIMITED CAPITAL FOR OPERATIONS; ADDITIONAL FINANCING REQUIREMENTS

     The  Company  has  required  substantial  outlays  of capital  for  product
development,  manufacturing  and marketing.  From inception through December 31,
1996, the Company raised  approximately $32.1 million of gross proceeds from the
sale of convertible debt and equity securities.  From inception through December
31, 1996,  the Company  generated  approximately  $10.1 million of gross revenue
from the sale of product and technology  licenses,  approximately  $12.5 million
from net product sales and $600,000 in royalty income.

     Management of the Company  anticipates  that the proceeds from the exercise
of Warrants, together with a substantial increase in product sales with positive
gross margins will satisfy the Company's cash requirements to produce and market
its existing four product families. There can be no assurance that there will be
a  substantial  increase in sales of the  Company's  products or positive  gross
margins or that all or a substantial  portion of the Warrants will be exercised.
In addition,  it may be necessary for the Company to look for additional funding
in the next six to  twelve  months to  support  the  costs  associated  with the
development of new product  families.  While the Company has been  successful in
obtaining  financing for its  operations  to date,  there can be no assurance it
will be able to do so in the  future.  If such  financing  is  unavailable,  the
Company may not be able to develop new  product  families  and the number of new
products the Company sells may be limited.

HISTORY OF OPERATING LOSSES; ANTICIPATED CONTINUING OPERATING LOSSES

     Simtek  commenced  business  operations  in 1987.  As of June 30,  1997 the
Company had an accumulated  deficit of  approximately  $29.0 million.  While the
Company  realized  net income from  operations  of  approximately  $197,000  and
$122,000 for the six months ended June 30, 1997 and the year ended  December 31,
1996,  respectively,  prior to that time,  the Company had  experienced  several
years of  operating  losses.  There can be no  assurances  that the Company will
continue to generate income from operations during the foreseeable future.

     Future  revenues  and  profits  will depend on various  factors,  including
market acceptance of the Company's products and the prices thereof,  the ability
of the Company to reduce  manufacturing  costs to consistently  achieve positive
gross margins on commercial and military sales, the ability of subcontractors to
manufacture  the  Company's  products  to  applicable  specifications  in a cost
effective manner. Many of these factors are outside the control of the Company.

REMOVAL FROM NASDAQ SMALL-CAP MARKET LISTING

     The Company's  Common Stock is listed on the OTC Electronic  Bulletin Board
under the  symbol  SRAM.  The Common  Stock was  listed on the NASDAQ  Small-Cap
Market until July 18, 1995 and then  transferred to the OTC Electronic  Bulletin
Board  because the Company no longer met the  requirements  for inclusion on the
NASDAQ  Small-Cap  Market.  In order for the  Company to have its  Common  Stock
relisted  on  the  National  Market  System,  the  Company  must  meet  all  the
requirements  for an initial  listing.  The Company  does not believe it will be
able to satisfy such requirements in the near future.

     Securities not included in the NASDAQ  Small-CAP  Market are covered by the
Securities and Exchange  Commission rule that imposes  additional sales practice
requirements  on  broker-dealers  who sell such securities to persons other than
established  customers and accredited  investors  (generally  institutions  with
assets  in  excess  of  $5,000,000  or  individuals  with net worth in excess of
$1,000,000 or annual income  exceeding  $200,000 or $300,000  jointly with their
spouse).  For transactions  covered by the rule, the  broker-dealer  must make a
special suitability  determination for the purchaser and receive the purchaser's
written agreement to the transaction prior to the sale.  Consequently,  the rule
may affect the ability of broker-dealers to sell the Company's securities, which
will have an adverse effect on the ability of the Company's  security holders to

                                       5

<PAGE>

sell their  securities  and the  possibility  of the Company's  ability to raise
additional capital.

RISKS ASSOCIATED WITH MANUFACTURING

     The  manufacturing of  semiconductors  is highly complex and sensitive to a
wide  variety  of  factors,   including  the  level  of   contaminates   in  the
manufacturing environment,  impurities in the materials used and the performance
of equipment. Many factors are outside the control of the Company. These factors
may adversely affect the manufacturing  yield of the Company's  production runs,
which in turn will affect the cost of producing the Company's products including
the cost per silicon wafer, the number of potential chips per wafer and the cost
of packaging and testing the finished products.

     While  over the past  year  and  one-half,  the  Company  has been  able to
maintain positive gross margins, management of the Company believes that further
reducing  manufacturing  costs  will be the key to  maintaining  positive  gross
margins on a consistent basis. The Company has reduced  manufacturing costs thus
far primarily by reducing chip sizes, thereby increasing the number of potential
chips per wafer,  by  increasing  yields  thereby  increasing  more good die per
wafer, by reducing the cost per finished wafer and by converting from ceramic to
plastic product packaging.  The Company is also seeking to reduce  manufacturing
costs by reducing  testing costs and by increasing the yield of functional chips
per wafer through the  elimination of defects in the  manufacturing  process and
other improvements in the manufacturing process. There is no assurance, however,
that  any of the  foregoing  cost  reduction  measures  will  be  realized  on a
consistent  basis,  and that such cost reductions will be sufficient to continue
generating consistent profits.

     The production cycle time for the Company's products is approximately three
months. Therefore, any delays in receiving silicon wafers will delay the receipt
of product  sales  revenue by the Company.  Any such delays also could result in
the  cancellation  of orders or impair the  Company's  ability to secure  future
orders for its products.  Lower than  acceptable  manufacturing  yields may also
delay product shipments.  In addition,  technical problems that may arise at the
factory or in specific  customer  applications  can impact product  reliability,
necessitating  inventory  write-offs or warranty  replacements.  Such  technical
problems may occur at any time.

DEPENDENCE ON TWO SUBCONTRACTORS

     The Company  has  engaged  independent  subcontractors  for  silicon  wafer
manufacture  and assembly and testing of its products.  The Company's  operating
results  depend on the ability of its  subcontractors  to supply  silicon wafers
conforming  to  applicable  specifications  and to  assemble  and test  Simtek's
products in sufficient quantities to meet the Company's  requirements,  all at a
competitive  cost. The Company is presently  dependent upon two  subcontractors,
Zentrum   Mikroelektronik  Dresden  GmbH  ("ZMD")  and  Chartered  Semiconductor
Manufacturing Plc. of Singapore ("Chartered"),  to manufacture its semiconductor
wafers for product sales. In the event that one or both of these  subcontractors
are unable to supply the Company's  requirements for manufactured products at an
acceptable  price and  within  an  appropriate  schedule,  the  Company  will be
required to find alternative  sources of supply. If such alternative  sources of
supply are unavailable to the Company on acceptable terms and on a timely basis,
the Company will be materially  adversely  affected.  There is no assurance that
the Company will have continued  access in the future to adequate  silicon wafer
manufacturing facilities or assembly and testing services.

     On  September  29,  1992,   the  Company  and  Chartered   entered  into  a
manufacturing agreement (the "Chartered Manufacturing Agreement") to provide the
Company  with  silicon  wafers  for the  Company's  products  through  at  least
September 29, 1997 which has been recently  extended,  under similar  terms,  to
September 8, 1998. Under the Chartered  Manufacturing  Agreement,  Chartered has
installed a  manufacturing  process for  versions of the  Company's  current and
future products.

     According to the Chartered  Manufacturing Agreement that was extended until
September  8, 1998,  the Company  has the right to  purchase up to 600  six-inch
silicon wafers per month from  Chartered's  facility in Singapore.  The limit to
purchase  600 wafers per month  could  have a material  impact on the  Company's
operations  in  the  future.  Approximately  44%  and  approximately  68% of the
Company's  product sales were based on wafers  purchased  from Chartered for the
six  months  ended  June  30,  1997  and  the  year  ended  December  31,  1996,
respectively.

     In September 1995, the Company entered into an agreement (the  "Cooperation
Agreement")  with ZMD which provides for Simtek to purchase  finished 0.8 micron
units from ZMD's  foundry.  The Company is  currently  working  under a purchase

                                       6

<PAGE>

order for fixed pricing that will supply the Company with finished units through
the remainder of 1997.  There can be no assurance  that ZMD will quote Simtek an
acceptable per unit price after the existing purchase order expires.  If the new
price is unacceptable to Simtek,  it may have an adverse impact on the sales and
gross  margins of the Company's 64 kilobit  product based on 0.8 micron  product
technology.   Sales  of  this  product   accounted  for  approximately  56%  and
approximately  32% of the  Company's  revenue for the six months  ended June 30,
1997 and the year ended December 31, 1996, respectively.

FOREIGN CURRENCY EXCHANGE RATE AND CONVERSION RISKS

     The  Company  purchases  silicon  wafers  and  finished  units from its two
foundries,  Chartered  which is located in Singapore and ZMD which is located in
Germany.  The purchase  price for  finished  units  purchased  from ZMD is in US
dollars and makes no concessions for an exchange rate fluctuation.  The purchase
price for  silicon  wafers from  Chartered  is in US  dollars,  however,  in the
agreement  entered into with Chartered there is a clause that allows for a price
adjustment for exchange rate fluctuation. The price of the silicon wafer will be
modified should the 6 month rolling  average rate of exchange  fluctuate by more
than 5% from the set point.

     Sales of the Company's products are worldwide with approximately  one-third
of the total sales in each of Asia, Europe and North America. The fluctuation in
the exchange  rate could  affect the  revenues  and profits of the  Company.  In
general, the Company does not execute hedge transactions to reduce the Company's
exposure to foreign currency exchange rate risks.

DEPENDENCE ON PRINCIPAL CUSTOMERS AND OTHERS FOR SALES AND DISTRIBUTIONS

     The Company's  strategy is to generate sales through the use of independent
sales  representative  agencies  and  distributors.   The  agreements  with  the
Company's sales representatives and distributors are terminable without cause by
either  party upon 30 to 90 days  written  notice.  There is no  assurance  that
suitable  sales  representatives  and  distributors  will be  available on terms
favorable to the Company.

     Sales to one unaffiliated  customer and three  distributors which represent
10% or more of the  Company's  sales for six months  ended June 30, 1997 and the
year ended December 31, 1996 were as follows:

                                     Six Months
                                        Ended               Year Ended
       Distributors/Customer        June 30, 1997        December 31, 1996
       ---------------------        -------------        -----------------
                A                        29%                    24%
                B                        11%                    10%
                C                        --                     10%
                D                        19%                    17%

     There can be no assurances that the Company will continue  receiving orders
from  these  customers  or that it will  maintain  the  relationships  with  the
distributors..

     As of June 30, 1997,  the Company's  backlog of unshipped  customer  orders
expected to be filled within the next six months was  approximately  $1,250,000.
All orders are  cancelable  prior to 30 days before the schedule  shipping  date
and, therefore, should not be used as a measure of future product sales.

LACK OF NEW LICENSE REVENUES

     The Company has received  substantially all revenue to which it is entitled
under existing license agreements and has not sold any new licenses. There is no
assurance  that the Company will sell any product or technology  licenses in the
future.

PRODUCT QUALIFICATION AND SALES

     Prior to the commencement of product sales, the Company must establish that
its products meet certain performance and reliability standards. As part of this

                                       7

<PAGE>

process, known as product qualification,  representative samples of the products
are subjected to a variety of tests to ensure  performance  in  accordance  with
commercial,  industrial  and military  specifications.  Delays or failure of the
Company to accomplish  product  qualification for future products will adversely
affect the Company. Even with successful initial product qualifications there is
no assurance  that the Company can  maintain  product  qualification  or achieve
sufficient  sales or product  pricing to meet its  operating  requirements.  The
Company's  subcontractors  must be audited and  recertified  by the Company on a
regular  basis  for  the  Company  to  continue  to  produce  military-qualified
products. There is no assurance that such recertification will be achieved.

     Although the Company has achieved design wins and generated customer orders
for its  products,  there is no  assurance  that such design wins will result in
product sales or that such customer  orders will not be canceled  prior to being
filled.  In  addition,  there  is a  significant  period  of time  required  for
customers to incorporate the Company's products into their product designs after
receiving evaluation samples, which may delay the Company's revenue growth.

DEPENDENCE ON NEW PRODUCTS

     The  Company's  success  depends  in part upon its  ability  to expand  its
existing  product  families  and  to  develop  and  market  new  products.   The
development of new  semiconductor  designs and technologies  typically  requires
substantial  research  and  development  expenditures.  Even if  developed,  the
success of new  products  is  dependent  on several  factors,  including  proper
product  selection,  timely  product  introduction,  achievement  of  acceptable
production  yields and market  acceptance.  There can be no  assurance  that the
Company will  successfully  develop new  products  that can be  introduced  on a
timely  or  cost-effective  basis or that  any new  products  introduced  by the
Company will receive market acceptance.

RISKS ASSOCIATED WITH THE SEMICONDUCTOR INDUSTRY

     The semiconductor  industry is characterized by rapid technological  change
and product  obsolescence,  cyclical market patterns,  price erosion and product
oversupply,  occasional  shortages of  materials,  variations  in  manufacturing
efficiencies  and  significant  expenditures  for capital  equipment and product
development. There can be no assurance that the SNOS technology that the Company
currently  utilizes  will  not  be  supplanted  in  the  near  future  by  other
nonvolatile  memory  technologies  such  as  floating  gate,  ferroelectric  and
magnetic  film  technologies.  The  industry  has from time to time  experienced
depressed business  conditions.  Fluctuations in the Company's operating results
could occur due to one or more of these factors.

COMPETITION AND MARKET ACCEPTANCE

     The semiconductor industry is intensely competitive.  The Company's ability
to compete depends on elements both within and outside of the Company's control,
including  product cost,  quality and  performance,  success in  developing  new
products, continued access to advanced semiconductor processes and silicon wafer
supplies,  the speed at which customers  incorporate the Company's products into
their systems, changes in technology,  the cost- effectiveness of manufacturing,
the number and nature of its competitors and general  economic  conditions.  The
Company experiences competition from a number of domestic and foreign companies,
most of which have significantly greater financial, technical, manufacturing and
marketing  resources  than Simtek.  Among the  Company's  competitors  are major
corporations  possessing  worldwide  wafer  fabrication  and circuit  production
facilities  and  diverse  established  product  lines.  There are also  emerging
companies  attempting to obtain a share of the market for the Company's  product
families.  If the Company's products achieve market acceptance,  other companies
may sell  competitive  products  at prices  below  Simtek's  which would have an
adverse effect on the Company's operating results.  The Company has sold product
and technology  licenses to Plessey,  Nippon Steel and ZMD. At this time Plessey
and Nippon Steel have not put Simtek's products into production, however, ZMD is
producing  these  products in order to sell them to Simtek.  Under the agreement
ZMD has with the  Company,  ZMD may enter the  market  and begin  selling  these
products  at any  time.  ZMD has  entered  the  market  and  they  may  become a
significant competitor to the Company.

DEPENDENCE ON KEY EMPLOYEES

     The Company's  success depends in part on its ability to attract and retain
qualified technical and management personnel. The competition for such personnel
is intense.  The loss of key personnel may have a material adverse affect on the
Company.

                                        8

<PAGE>

DEPENDENCE ON PATENTS

     Six U.S.  patents  have been  issued to the  Company  relating  to  certain
aspects of its current  products,  and the Company  has been  notified  that one
other patent application has been allowed by the U.S. Patent Office. The Company
also has taken steps to apply for international  patents on its technology.  The
Company plans to continue to seek protection of its intellectual property. There
is no  assurance,  however,  that any  patents  applied  for will  issue or will
provide the Company with  meaningful  protection  from  competition  or that the
Company will have the financial  resources  necessary to maintain or enforce any
patent rights that it may hold. Other companies may have been or may be involved
in research and  development  that may lead to patents similar to or relating to
those developed by the Company or similar to or relating to specific  aspects of
the Company's products and technologies.  The Company has not engaged counsel to
determine whether its products are generally free from patent infringement.

POSSIBLE PATENT INFRINGEMENT

     In the past, the Company has been notified by two companies that certain of
its  products  and  technologies  may be related to patents  owned by them and a
third party has notified the Company that the Company's products or technologies
may infringe on two patents owned by the party. At the time of the notices,  the
Company  retained legal counsel to evaluate three patents  corresponding  to the
notices, but the Company has yet to determine whether its products infringe such
third party  patents.  While the Company has  received no recent  correspondence
concerning  such claims,  there can be no assurance that further action will not
be taken with respect to such claims or that new claims will not be asserted. If
infringement  claims  are  asserted  against  the  Company  and  are  upheld  or
determined to be meritorious, the Company will attempt to modify its products so
they are  non-infringing.  If the Company is unable to modify its products,  the
Company  will be  required  to obtain a license to sell such  products  or cease
selling the  products for which the claims are  asserted.  There is no assurance
that,  if required,  such  licenses can be obtained.  Simtek will be  materially
adversely  affected if it fails to obtain any  required  licenses on  acceptable
terms and is forced to cease  selling any of its  products.  If an  infringement
claim is  asserted  against  the Company and is upheld and deemed to be willful,
treble damages may be obtained from the Company.

BOARD DISCRETION IN APPLICATION OF PROCEEDS

     The  Company's  management  may apply the  proceeds  of this  offering  for
purposes other than those specified in "Use of Proceeds" in order to accommodate
certain  contingencies.  See  "Use  of  Proceeds"  for  a  discussion  of  these
contingencies  and the alternative  uses of the proceeds of this offering in the
event of such contingencies.

ABSENCE OF DIVIDENDS

     The Company has not paid any cash  dividends  on the Common  Stock and does
not  anticipate  paying any  dividends in the  foreseeable  future on the Common
Stock. Earnings, if any, will be retained to finance growth.

CONTROL OF THE COMPANY BY AFFILIATES

     Prior to the issuance of Common Stock pursuant to outstanding Warrants, the
executive officers and directors of the Company,  together with their affiliates
(including ZMD),  controlled the vote of more than 35% of the outstanding Common
Stock,  assuming  exercisable  outstanding  warrants  and  options  held by such
persons.  Assuming  that all of the  Warrants are  exercised,  such persons will
control the vote of more than 30% of the  outstanding  Common  Stock and, to the
extent they act in concert,  will have the ability to  influence  the outcome of
issues submitted to the Company's shareholders.

POSSIBLE VOLATILITY OF COMMON STOCK PRICES

     There is no  assurance  that an active  public  market for the Common Stock
will continue to exist. The trading prices of the Common Stock may be subject to
wide fluctuations in response to variations in operating results,  announcements
of  technological  innovations or new products by the Company or its competitors
and other events or factors,  including  the sale or attempted  sales of a large
amount of Common  Stock  into the  market.  In  addition,  the stock  market has
experienced  extreme  price and volume  fluctuations,  which  have  particularly

                                       9

<PAGE>

affected the market price for many high technology companies. These broad market
fluctuations may adversely affect the market price of the Common Stock.

SHARES OF COMMON STOCK ELIGIBLE FOR FUTURE SALE; REGISTRATION RIGHTS

     As of the date of this  Prospectus,  there are 28,676,685  shares of Common
Stock  outstanding.  Of these  shares of Common  Stock  20,129,300  shares  (the
"Registered  Shares") have been registered  under the Securities Act of 1933, as
amended (the "Act") or qualify for sale without registration under Rule 144.

     The 8,547,385  shares of Common Stock that have not been  registered  under
the Act are  "restricted  securities"  as defined in Rule 144 under the Act (the
"Restricted  Shares").  The  Restricted  Shares  may  only be sold  pursuant  to
registration under the Act or pursuant to exemptions,  including,  among others,
the exemption  provided by Rule 144. Any  Restricted  Shares sold under the Rule
144 are subject to the volume and timing  requirements  defined by Rule 144. The
8,547,385  Restricted  Shares are held by ZMD, an affiliate of the Company.  The
Restricted  Shares have met the holding period  requirements of Rule 144 but are
subject to volume and timing  requirements  defined by Rule 144. The Company has
no assurance that ZMD will not attempt to sell these shares.

     No  prediction  can be made as to the effect,  if any, that future sales of
shares,  or the  availability of shares for future sale, will have on the market
price of Common Stock prevailing from time to time. Sales of substantial amounts
of Common Stock in the public market,  or the  perception  that such sales could
occur,  could adversely affect prevailing market prices for the Common Stock and
could also impact the Company's ability to raise capital through the sale of its
equity securities.

POSSIBLE ISSUANCE OF PREFERRED STOCK

     The Board of Directors  has  authority  to issue up to 2,000,000  shares of
preferred  stock  in  one  or  more  series  to  establish  the  voting  powers,
preferences  and other rights and  qualifications  thereof,  without any further
vote or action by the shareholders. The issuance of preferred stock by the Board
of  Directors  could  affect the rights of the holders of Common Stock and could
potentially  be used to discourage  attempts by others to obtain  control of the
Company through merger,  tender offer, proxy contest or otherwise by making such
attempts more difficult to achieve or more costly. The Board of Directors has no
specific  intention to issue shares of preferred  stock, but given the Company's
present capital requirements, it is possible that the Company will raise capital
through the sale of preferred stock in the future.

                                 USE OF PROCEEDS

     If all of the Warrants  are  exercised,  net proceeds to the Company  after
payment of expenses  of this  registration  are  estimated  to be  approximately
$6,102,722.  See "Plan of Distribution." Such proceeds,  if any, will be used to
fund production and marketing of the Company's 0.8 micron 256 kilobit nvSRAM and
the development of other new products.

     Pending use of the net  proceeds  from the  issuance of shares as described
above, the Company intends to hold such proceeds in short-term, interest bearing
and other money market instruments.

                              PLAN OF DISTRIBUTION

     The shares of Common Stock  offered  hereby are being issued by the Company
upon the exercise of the Warrants.  The warrants were issued pursuant to various
Warrant Agreements (the"Warrant Agreements") between the Company and Continental
Stock Transfer and Trust,  as Warrant Agent  (the"Warrant  Agent") in connection
with  past  securities  offerings.   The  following  table  sets  forth  certain
provisions  of the  Warrant  Agreements.  The  number  of shares  issuable  upon
exercise  of all  Warrants  is based on the  number of  shares  of Common  Stock
outstanding at August 31, 1997.


                                       10

<PAGE>
<TABLE>
<CAPTION>
                                                                                                Number
                                                           Per                                 of Shares       Dollars
                                   Number                Warrant      Number     Per Share     Issuable         upon
                         Issue  of Warrants    Exp.      Exercise    of Shares   Purchase    upon Exer. of   Exer. of all
Description              Date   Outstanding    Date       Price      per warr.     price     all warrants     warrants
- -----------              ----   -----------    ----      --------    ---------   ---------   -------------   ------------
<S>                    <C>       <C>         <C>          <C>           <C>       <C>         <C>             <C>
Class B Warrant         2/17/93  1,725,000    2/12/98     $1.80         1.51      $1.19       2,604,750       $3,099,653
Class B Warrant         2/25/93     81,333    2/12/98      1.80         1.51       1.19         122,813          146,147
                                 ---------                 ----                               ---------       ----------

TOTAL CLASS B
  WARRANTS                       1,806,333                $1.80         1.51      $1.19       2,727,563       $3,245,800
                                 =========                =====                   =====       =========       ==========

Other Warr-Petritz      9/29/89     63,300   10/26/97      $.50         1.00       $.50          63,300       $   31,650
Other Warr-Petritz      9/27/90     52,751   10/26/97       .50         1.00        .50          52,751           26,376
Other Warr-TTLP         9/29/89    126,600   10/26/97       .50         1.00        .50         126,600           63,300
Other Warr-TTLP         9/27/90    105,499   10/26/97       .50         1.00        .50         105,499           52,750
                                 ---------                                                    ---------       ----------

Total Other
  Warrants                         348,150                              1.00      $$.50         348,150       $  174,076
                                 =========                                        =====       =========       ==========

Repres. Warr.            3/6/91    195,000   10/26/97      $.50         1.00       $.50         195,000          $97,500
Repres. Warr           10/30/92    300,000   10/26/97       .50         1.00        .50         300,000          150,000
Repres. Stock in Unit*  2/25/93    517,500    2/12/98      2.475        1.59       1.56         822,825        1,283,607
Repres. Warr**          2/25/93    172,500    2/12/98      2.97         1.63       1.82         281,175          511,739
Repres. Warr.           1/31/94    400,000    1/30/99      1.60         1.00       1.60         400,000          640,000
                                 ---------                                                    ---------       ----------

Total Repres.
  Warrants                       1,585,500                                                    1,999,000       $2,682,846
                                 =========                                                    =========       ==========

Total Warrants                   3,739,983                                                    5,074,713       $6,102,722
                                 =========                                                    =========       ==========
</TABLE>
- -------------------- 

*    The original 172,500  Representative  Warrants granted on February 25, 1993
     were  actually  units  consisting  of three  shares of Common Stock and one
     Class B Warrant for a price of $7.425 per unit.  The units will  eventually
     split up thus creating  517,500  shares of Common Stock at a exercise price
     of $2.475.  These shares contain  anti-dilution  provisions detailed in the
     Representative Warrant Agreement.

**   The Warrant within the Representative Warrants granted on February 25, 1993
     was for an exercise price of $2.97 with anti-dilution provisions.

     The Warrants must be exercised  prior to 5:30 p.m.,  New York City time, on
the  expiration  date shown  above.  The Board of  Directors  of the  Company is
considering  changing the per share exercise price and/or the expiration date of
certain Warrants.

     The Warrants may be  exercised by  surrendering  to the Company the warrant
certificates  evidencing the Warrants to be exercised with the accompanying form
of election to purchase properly  completed and executed,  together with payment
of the Exercise Price.  Payment of the Exercise Price may be made in the form of
cash or by  certified  or  official  bank  check  payable to the  Company.  Upon
surrender  of the Warrant  certificate  and payment of the Exercise  Price,  the
Company will deliver or cause to be  delivered,  to or upon the written order of
such  holder,  stock  certificates  representing  the number of whole  shares of
Common Stock to which such holder is entitled.  If less than all of the Warrants
evidenced  by  a  warrant  certificate  are  to  be  exercised,  a  new  warrant
certificate will be issued for the remaining number of Warrants.

     No  fractional  shares of Common Stock will be issued upon  exercise of the
Warrants.  The  Company  will pay to the  holder of the  Warrant  at the time of
exercise  an  amount  in cash  equal  to the  current  market  value of any such
fractional  share of Common Stock less a corresponding  fraction of the Exercise
Price.

     The Class B  Warrants  and  Representative  Warrants  which  are  currently
exercisable,  for  4,726,563  shares of Common  Stock,  have usual and customary

                                       11

<PAGE>

anti-dilution provisions as more fully described  in the Warrant Agreements with
Continental Stock Transfer and Trust.

     The Board of Directors is currently  considering  extending the  expiration
date  and/or  adjusting  the  Exercise  Price in order to have the  price of the
Warrants more consistent  with the current market price.  The Company may at any
time reduce the Exercise Price to any amount (but not less than the par value of
the Common Stock) for any period of time (but not less than twenty (20) business
days) deemed appropriate by the Board of Directors of the Company.

                                  LEGAL MATTERS

     The validity of the Common Stock to be issued upon exercise of the Warrants
will be  passed  upon for the  Company  by Holme  Roberts  & Owen  LLP,  Denver,
Colorado.

                                     EXPERTS

     The financial  statements and schedules of Simtek Corporation  incorporated
by reference into this  prospectus  from Simtek's form 10-KSB Report,  have been
audited by Hein + Associates LLP,  independent public accountants,  as indicated
in their reports with respect thereto,  and are incorporated by reference herein
and in the Registration Statement in reliance upon the authority of said firm as
experts in giving said reports.


                                       12

<PAGE>
                                     PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS

Capitalized  terms used but not otherwise defined in Part II are used as defined
in the Prospectus contained in this Registration Statement.

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION

The following table sets forth the expenses (other than  underwriting  discounts
and  commissions)  expected to be incurred in  connection  with the issuance and
distribution of the securities registered hereby, all of which expenses,  except
for the Commission registration fee, are estimated:

      Securities and Exchange Commission registration fee.........     $   2,104
      Legal fees and expenses.....................................        10,000
      Accounting fees.............................................        10,000
      Miscellaneous...............................................         5,000
                                                                       ---------

             Total ...............................................     $  27,104
                                                                       =========

- -------------------------
      The above expenses will be borne by the Company.


ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS

     Article Six of the Company's Articles of Incorporation requires the Company
to indemnify, to the fullest extent authorized by applicable law, any person who
is or is threatened to be made a party to any civil,  criminal,  administrative,
investigative,  or other action or proceeding instituted or threatened by reason
of the fact that he is or was a director  or officer of the Company or is or was
serving  at the  request  of the  Company  as a  director  or officer of another
corporation, partnership, joint venture, trust or other enterprise.

     Article Five of the Company's  Articles of Incorporation  provides that, to
the fullest extent permitted by the Colorado  Corporation Code, directors of the
Company  shall not be  liable  to the  Company  or any of its  shareholders  for
damages caused by a breach of a fiduciary duty by such director.

     The above discussion of the Company's Articles of Incorporation is intended
to be only a summary and is  qualified  in its entirety by the full text of each
of the foregoing.

ITEM 16.  EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

     (a) Exhibits

 4.1     Specimen of  Common Stock certificate of the Company. (1)

 5.1     Legality opinion of Holme Roberts & Owen LLP.

23.1     Consent of Independent Public Accountants--Hein + Associates LLP.

23.2     Consent of Holme Roberts & Owen LLP is included in Exhibit 5.1.


- -------------------------
(1)  Incorporated  by reference  to the  Company's  Amendment  No. 2 to Form S-1
     Registration  Statement  (Reg.  No. 33- 37874) filed with the Commission on
     March 4, 1991.


                                       13

<PAGE>



ITEM 17.  UNDERTAKINGS

     Insofar as indemnification  for liabilities arises under the Securities Act
of 1993 may be permitted to directors,  officers and controlling  persons of the
Registrant,  the  Registrant  has  been  advised  that  in  the  opinion  of the
Securities and Exchange Commission such indemnification is against public policy
as expressed  in the Act and is,  therefor,  unenforceable.  In the event that a
claim for  indemnification  against such liabilities  (other than the payment by
the  Registrant  of  expenses  incurred  or  paid  by  a  director,  officer  or
controlling  person of the Registrant in the  successful  defense of any action,
suit or proceeding) is asserted by such director,  officer or controlling person
in connection with the Securities being registered,  the Registrant will, unless
in the  opinion of its  counsel  the matter  has been  settled by a  controlling
precedent,  submit to a court of appropriate  jurisdiction  the question whether
such  indemnification  by it is  against  public  policy  as  expressed  in  the
Securities  Act of 1933 and will be  governed  by a final  adjudication  of such
issue.

The Registrant hereby undertakes that:

(1)  To file,  during  any  period in which  offers or sales are being  made,  a
     post-effective amendment to this registration statement.

     (i)  To  include  any  prospectus  required  by  section  10(a)(3)  of  the
          Securities Act of 1933,

    (ii)  To reflect in the  prospectus  any facts or events  arising  after the
          effective  date of the  registration  statement  (or the  most  recent
          post-effective  amendment  thereof)  which,  individually  or  in  the
          aggregate, represent a fundamental change in the information set forth
          in the registration statement;

   (iii)  To  include  any  material  information  with  respect  to the plan of
          distribution not previously disclosed in the registration statement or
          any material change to such information in the registration statement;

Provided,  however,  that  paragraphs  (i) and (ii)  above  do not  apply if the
information  required  to be  included in a  post-effective  amendment  by those
paragraphs is contained in periodic reports filed by the registrant  pursuant to
section  13 or section  15(d) of the  Securities  Exchange  Act of 1934 that are
incorporated by reference in the registration statement.

(2)  That, for the purpose of determining any liability under the Securities Act
     of 1933,  each such  post-effective  amendment  shall be deemed to be a new
     registration  statement relating to the securities offered therein, and the
     offering of such  securities at that time shall be deemed to be the initial
     bona fide offering thereof.

(3)  To remove from  registration by means of a post-effective  amendment any of
     the securities  being  registered which remain unsold at the termination of
     the offering.

     The  undersigned   registrant   hereby  undertakes  that  for  purposes  of
determining  any liability  under the Securities Act of 1933, each filing of the
registrant's  annual  report  pursuant to section  13(a) or section 15(d) of the
Securities  Exchange  Act of  1934  that is  incorporated  by  reference  in the
registration  statement  shall  be  deemed  to be a new  registration  statement
relating to the securities offered therein,  and the offering of such securities
at that time shall be deemed to be a new registration  statement relating to the
securities  offered  therein,  and the offering of such  securities at that time
shall be deemed to be the initial bona fide offering thereof.


                                       14

<PAGE>



                                   SIGNATURES

     Pursuant to the  requirements of the Securities Act of 1933, the Registrant
has duly caused this  Registration  Statement  to be signed on its behalf by the
undersigned,  thereunto duly authorized,  in the City of Colorado Springs, State
of Colorado, on this 30th day of September 1997.

                                  Simtek Corporation
                                  a Colorado corporation

                                     
                                  By:  /s/ Richard L. Petritz
                                     -------------------------------------------
                                     Richard L. Petritz
                                     Chief Executive Officer and Chief Financial
                                     Officer

     Pursuant to the  requirements of the Securities Act of 1933, the Registrant
has caused this Registration  Statement to be signed by the following persons in
the capacities and on the dates indicated.
<TABLE>
<CAPTION>
         Signature                                Title                              Date
         ---------                                -----                              ----
<S>                                         <C>                                <C>

/s/ Richard L. Petritz                      Chairman of the Board              September 30, 1997
- ----------------------------------        
Richard L. Petritz


/s/  Richard L. Petritz                     Chief Executive Officer            September 30, 1997
- ----------------------------------          and Chief Financial Officer
Richard L. Petritz


/s/  Douglas Mitchell                       Chief Operating Officer            September 30, 1997
- ----------------------------------
Douglas Mitchell


/s/ Robert Keeley
- ----------------------------------          Director                           September 30, 1997
Robert Keeley


/s/ Sheldon Taylor                          Director                           September 30, 1997
- ----------------------------------
Sheldon Taylor


/s/ Klaus Wiemer                            Director                           September 30, 1997
- ----------------------------------
Klaus Wiemer
</TABLE>

                                                                 15





                                                                     Exhibit 5.1

October 3, 1997


Board of Directors
Simtek Corporation
1465 Kelly Johnson Boulevard
Colorado Springs, Colorado 80920

Re:       Simtek  Corporation  Registration  Statement on Form S-3,
          5,074,713 Shares of Common Stock

Gentlemen:

As counsel for Simtek Corporation,  a Colorado  corporation (the "Company"),  we
have examined the above-captioned  Registration  Statement on Form S-3 under the
Securities  Act of 1993, as amended (the  "Registration  Statement"),  which the
Company plans to file  covering the issuance by the Company of 5,074,713  shares
of its  Common  Stock,  par value  $.01 per  share  ("Common  Stock"),  upon the
exercise of certain outstanding Warrants.

We have  examined the  Warrants,  the Company's  Articles of  Incorporation,  as
amended,  its Bylaws and the record of its corporate  proceedings  and have made
such other  investigation  as we have deemed  necessary  in order to express the
opinions set forth below.

Based on such investigation,  it is our opinion that the shares of Common Stock,
when issued pursuant to the terms of the Warrants, will be legally issued, fully
paid and non-assessable.

We hereby consent to all references to us in the Registration  Statement and all
amendments to the Registration  Statement. We further consent to the use of this
opinion as an exhibit to the Registration Statement.

Very truly yours,

HOLME ROBERTS & OWEN LLP



By:   /s/  Garth B. Jensen
   ---------------------------
   Garth B. Jensen, Partner


                                                                    Exhibit 23.1

                          INDEPENDENT AUDITORS CONSENT


We consent to the  incorporation  by reference of our report dated  February 21,
1997 accompanying the financial statements of Simtek Corporation in the Form S-3
Registration  Statement of Simtek Corporation and to the use of our name and the
statements with respect to us, as appearing  under the heading  "Experts" in the
Registration Statement





HEIN + ASSOCIATES LLP


Denver, Colorado
October 3, 1997


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