EXHIBIT 10.5

                                 INNOVEDA, INC.

                 AMENDED AND RESTATED 2000 STOCK INCENTIVE PLAN

1.       PURPOSE

         The purpose of this Amended and Restated 2000 Stock Incentive Plan (the
"Plan") of Innoveda, Inc., a Delaware corporation (the "Company"), is to advance
the interests of the Company's stockholders by enhancing the Company's ability
to attract, retain and motivate persons who make (or are expected to make)
important contributions to the Company by providing such persons with equity
ownership opportunities and performance-based incentives and thereby better
aligning the interests of such persons with those of the Company's stockholders.
Except where the context otherwise requires, the term "Company" shall include
any of the Company's present or future subsidiary corporations as defined in
Section 424(f) of the Internal Revenue Code of 1986, as amended, and any
regulations promulgated thereunder (the "Code") and any other business venture
(including, without limitation, joint venture or limited liability company) in
which the Company has a significant interest, as determined by the Board of
Directors of the Company (the "Board").

2.       ELIGIBILITY

         All of the Company's employees, officers, directors, consultants and
advisors (and any individuals who have accepted an offer for employment) are
eligible to be granted options and restricted stock awards (each, an "Award")
under the Plan. Each person who has been granted an Award under the Plan shall
be deemed a "Participant".

3.       ADMINISTRATION AND DELEGATION

        (a)    ADMINISTRATION BY BOARD OF DIRECTORS. The Plan will be
administered by the Board. The Board shall have authority to grant Awards and to
adopt, amend and repeal such administrative rules, guidelines and practices
relating to the Plan as it shall deem advisable. The Board may correct any
defect, supply any omission or reconcile any inconsistency in the Plan or any
Award in the manner and to the extent it shall deem expedient to carry the Plan
into effect and it shall be the sole and final judge of such expediency. All
decisions by the Board shall be made in the Board's sole discretion and shall be
final and binding on all persons having or claiming any interest in the Plan or
in any Award. No director or person acting pursuant to the authority delegated
by the Board shall be liable for any action or determination relating to or
under the Plan made in good faith.

        (b)    APPOINTMENT OF COMMITTEES. To the extent permitted by applicable
law, the Board may delegate any or all of its powers under the Plan to one or
more committees or subcommittees of the Board (a "Committee"). All references in
the Plan to the "Board" shall mean the Board or a Committee of the Board to the
extent that the Board's powers or authority under the Plan have been delegated
to such Committee.



4.       STOCK AVAILABLE FOR AWARDS

        (a)    NUMBER OF SHARES. Subject to adjustment under Section 7, Awards
may be made under the Plan for a number of shares of common stock, $0.01 par
value per share, of the Company (the "Common Stock") equal to the sum of:

               (1)  4,500,000 shares of Common Stock;

               (2)  any shares of Common Stock reserved for issuance under each
of (i) the Summit Designs, Inc. 1994 Stock Plan, as amended, (ii) the Summit
Designs 1997 NonStatutory Stock Option Plan, and (iii) the Viewlogic, Inc. 1998
Stock Incentive Plan, as amended (collectively, the "Prior Plans") that remain
available for issuance upon the adoption of this Plan by the Board; and

               (3)  any shares of Common Stock subject to awards under the Prior
Plans which awards expire, terminate, or are otherwise surrendered, canceled or
forfeited (subject, however, in the case of Incentive Stock Options (as
hereinafter defined) to any limitations under the Code);

PROVIDED, HOWEVER, that the maximum number of shares of Common Stock reserved
for issuance under the Prior Plans that may be issued under this Plan shall be
2,400,000 (the "Authorized Shares"); and PROVIDED, FURTHER, HOWEVER, that the
number of Authorized Shares shall be increased automatically by 2,000,000 shares
of Common Stock annually on the anniversary of the adoption of this Plan by the
Board until the expiration of the Plan Term. If any Award expires or is
terminated, surrendered or canceled without having been fully exercised or is
forfeited in whole or in part or results in any Common Stock not being issued,
the unused Common Stock covered by such Award shall again be available for the
grant of Awards under the Plan, subject, however, in the case of Incentive Stock
Options (as hereinafter defined), to any limitation required under the Code.
Shares issued under the Plan may consist in whole or in part of authorized but
unissued shares or treasury shares.

        (b)    PER-PARTICIPANT LIMIT. Subject to adjustment under Section 7, for
Awards granted after the Common Stock is registered under the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), the maximum number of
shares of Common Stock with respect to which Awards may be granted to any
Participant under the Plan shall be 500,000 per calendar year. The
per-Participant limit described in this Section 4(b) shall be construed and
applied consistently with Section 162(m) of the Code ("Section 162(m)").

5.       STOCK OPTIONS

        (a)    GENERAL. The Board may grant options to purchase Common Stock
(each, an "Option") and determine the number of shares of Common Stock to be
covered by each Option, the exercise price of each Option and the conditions and
limitations applicable to the exercise of each Option, including conditions
relating to applicable federal or state securities laws, as it considers
necessary or advisable. An Option which is not intended to be an Incentive Stock
Option (as hereinafter defined) shall be designated a "Nonstatutory Stock
Option".

                                      -2-





        (b)    INCENTIVE STOCK OPTIONS. An Option that the Board intends to be
an "incentive stock option" as defined in Section 422 of the Code (an "Incentive
Stock Option") shall only be granted to employees of the Company and shall be
subject to and shall be construed consistently with the requirements of Section
422 of the Code. The Company shall have no liability to a Participant, or any
other party, if an Option (or any part thereof) which is intended to be an
Incentive Stock Option is not an Incentive Stock Option.

        (c)    EXERCISE PRICE. The Board shall establish the exercise price at
the time each Option is granted and specify it in the applicable option
agreement provided, however, that the exercise price shall not be less than 85%
of the fair market value of the Common Stock, as determined by the Board, at the
time the Option is granted.

        (d)    DURATION OF OPTIONS. Each Option shall be exercisable at such
times and subject to such terms and conditions as the Board may specify in the
applicable option agreement provided, however, that no Option will be granted
for a term in excess of 10 years.

        (e)    EXERCISE OF OPTION. Options may be exercised by delivery to the
Company of a written notice of exercise signed by the proper person or by any
other form of notice (including electronic notice) approved by the Board
together with payment in full as specified in Section 5(f) for the number of
shares for which the Option is exercised.

        (f)    PAYMENT UPON EXERCISE. Common Stock purchased upon the exercise
of an Option granted under the Plan shall be paid for as follows:

               (1)  in cash or by check, payable to the order of the Company;

               (2)  except as the Board may, in its sole discretion, otherwise
provide in an option agreement, by (i) delivery of an irrevocable and
unconditional undertaking by a creditworthy broker to deliver promptly to the
Company sufficient funds to pay the exercise price and any required tax
withholding or (ii) delivery by the Participant to the Company of a copy of
irrevocable and unconditional instructions to a creditworthy broker to deliver
promptly to the Company cash or a check sufficient to pay the exercise price and
any required tax withholding;

               (3)  by delivery of shares of Common Stock owned by the
Participant valued at their fair market value as determined by (or in a manner
approved by) the Board in good faith ("Fair Market Value"), provided (i) such
method of payment is then permitted under applicable law and (ii) such Common
Stock was owned by the Participant at least six months prior to such delivery;

               (4)  to the extent permitted by the Board, in its sole discretion
by (i) delivery of a promissory note of the Participant to the Company on terms
determined by the Board, or (ii) payment of such other lawful consideration as
the Board may determine; or

               (5)  by any combination of the above permitted forms of payment.

                                      -3-





        (g)    SUBSTITUTE OPTIONS. In connection with a merger or consolidation
of an entity with the Company or the acquisition by the Company of property or
stock of an entity, the Board may grant Options in substitution for any options
or other stock or stock-based awards granted by such entity or an affiliate
thereof. Substitute Options may be granted on such terms as the Board deems
appropriate in the circumstances, notwithstanding any limitations on Options
contained in the other sections of this Section 5.

6.       RESTRICTED STOCK

        (a)    GRANTS. The Board may grant Awards entitling recipients to
acquire shares of Common Stock, subject to the right of the Company to
repurchase all or part of such shares at their issue price or other stated or
formula price (or to require forfeiture of such shares if issued at no cost)
from the recipient in the event that conditions specified by the Board in the
applicable Award are not satisfied prior to the end of the applicable
restriction period or periods established by the Board for such Award (each, a
"Restricted Stock Award").

        (b)    TERMS AND CONDITIONS. The Board shall determine the terms and
conditions of any such Restricted Stock Award, including the conditions for
repurchase (or forfeiture) and the issue price, if any. Any stock certificates
issued in respect of a Restricted Stock Award shall be registered in the name of
the Participant and, unless otherwise determined by the Board, deposited by the
Participant, together with a stock power endorsed in blank, with the Company (or
its designee). At the expiration of the applicable restriction periods, the
Company (or such designee) shall deliver the certificates no longer subject to
such restrictions to the Participant or if the Participant has died, to the
beneficiary designated, in a manner determined by the Board, by a Participant to
receive amounts due or exercise rights of the Participant in the event of the
Participant's death (the "Designated Beneficiary"). In the absence of an
effective designation by a Participant, Designated Beneficiary shall mean the
Participant's estate.

7.       ADJUSTMENTS FOR CHANGES IN COMMON STOCK AND CERTAIN OTHER EVENTS

        (a)    CHANGES IN CAPITALIZATION. In the event of any stock split,
reverse stock split, stock dividend, recapitalization, combination of shares,
reclassification of shares, spin-off or other similar change in capitalization
or event, or any distribution to holders of Common Stock other than a normal
cash dividend, (i) the number and class of securities available under this Plan,
(ii) the per-Participant limit set forth in Section 4(b), (iii) the number and
class of securities and exercise price per share subject to each outstanding
Option, (iv) the repurchase price per share subject to each outstanding
Restricted Stock Award, and (v) the terms of each other outstanding Award shall
be appropriately adjusted by the Company (or substituted Awards may be made, if
applicable) to the extent the Board shall determine, in good faith, that such an
adjustment (or substitution) is necessary and appropriate. If this Section 7(a)
applies and Section 7(c) also applies to any event, Section 7(c) shall be
applicable to such event, and this Section 7(a) shall not be applicable.

        (b)    LIQUIDATION OR DISSOLUTION. In the event of a proposed
liquidation or dissolution of the Company, Options shall be treated as
described below in Section 7(c)(2)(b) as if the liquidation or dissolution of
the Company were a Reorganization Event and the acquiring or

                                       4




succeeding corporation (or an affiliate thereof) did not agree to assume, or
substitute for, the Options. The Board may specify the effect of a
liquidation or dissolution on any Restricted Stock Award or other Award
granted under the Plan at the time of the grant of such Award.

        (c)    REORGANIZATION EVENTS

               (1)  DEFINITION. A "Reorganization Event" shall mean: (a) any
merger or consolidation of the Company with or into another entity as a result
of which the Common Stock is converted into or exchanged for the right to
receive cash, securities or other property or (b) any exchange of shares of the
Company for cash, securities or other property pursuant to a share exchange
transaction.

               (2)  CONSEQUENCES OF A REORGANIZATION EVENT ON OPTIONS.

                    (a)  Upon the occurrence of a Reorganization Event, or the
                         execution by the Company of any agreement with respect
                         to a Reorganization Event, the Board shall provide that
                         all outstanding Options shall be assumed, or equivalent
                         options shall be substituted, by the acquiring or
                         succeeding corporation (or an affiliate thereof). For
                         purposes hereof, an Option shall be considered to be
                         assumed if, following consummation of the
                         Reorganization Event, the Option confers the right to
                         purchase, for each share of Common Stock subject to the
                         Option immediately prior to the consummation of the
                         Reorganization Event, the consideration (whether cash,
                         securities or other property) received as a result of
                         the Reorganization Event by holders of Common Stock for
                         each share of Common Stock held immediately prior to
                         the consummation of the Reorganization Event (and if
                         holders were offered a choice of consideration, the
                         type of consideration chosen by the holders of a
                         majority of the outstanding shares of Common Stock);
                         provided, however, that if the consideration received
                         as a result of the Reorganization Event is not solely
                         common stock of the acquiring or succeeding corporation
                         (or an affiliate thereof), the Company may, with the
                         consent of the acquiring or succeeding corporation,
                         provide for the consideration to be received upon the
                         exercise of Options to consist solely of common stock
                         of the acquiring or succeeding corporation (or an
                         affiliate thereof) equivalent in fair market value to
                         the per share consideration received by holders of
                         outstanding shares of Common Stock as a result of the
                         Reorganization Event.

                    (b)  Notwithstanding the foregoing, if the acquiring or
                         succeeding corporation (or an affiliate thereof) does
                         not agree to assume, or substitute for, such Options,
                         then the Board shall provide that, (I) each Option
                         shall become exercisable in full as of a specified time
                         prior to the Reorganization Event, as determined by the
                         Board; provided, however, that upon exercise of such
                         Option (x) to the

                                      -5-





                         extent that the Option would have
                         been exercisable prior to the Reorganization Event
                         absent this Section 7(c)(2)(b)(I) for shares not
                         subject to restrictions or conditions, the Participant
                         shall receive shares free from all conditions or
                         restrictions, and (y) to the extent that the Option
                         would not have been exercisable absent this Section
                         7(c)(2)(b)(I), the Participant shall receive shares
                         subject to the Company's right to repurchase such
                         shares at the Option exercise price with such
                         repurchase right lapsing at the same rate as the Option
                         would have become exercisable under the applicable
                         Option agreement; and (II) each Option that was
                         exercisable prior to the Reorganization Event for
                         shares subject to the Company's right to repurchase
                         such shares, shall remain exercisable for shares
                         subject to the Company's right to repurchase such
                         shares at the Option exercise price, with such
                         repurchase right lapsing at the same rate as set forth
                         in the applicable Option agreement; provided, however,
                         that all Options will terminate immediately prior to
                         the consummation of such Reorganization Event, except
                         to the extent exercised by the Participants before the
                         consummation of such Reorganization Event; and
                         provided, further, however, that in the event of a
                         Reorganization Event under the terms of which holders
                         of Common Stock will receive upon consummation thereof
                         a cash payment for each share of Common Stock
                         surrendered pursuant to such Reorganization Event (the
                         "Acquisition Price"), then the Board may instead
                         provide that all outstanding Options shall terminate
                         upon consummation of such Reorganization Event and that
                         each Participant shall receive, in exchange therefor, a
                         cash payment equal to the amount (if any) by which (A)
                         the Acquisition Price multiplied by the number of
                         shares of Common Stock subject to such outstanding
                         Options (whether or not then exercisable), exceeds (B)
                         the aggregate exercise price of such Options.

               (3)  CONSEQUENCES OF A REORGANIZATION EVENT ON RESTRICTED STOCK
AWARDS. Upon the occurrence of a Reorganization Event, the repurchase and other
rights of the Company under each outstanding Restricted Stock Award shall inure
to the benefit of the Company's successor and shall apply to the cash,
securities or other property which the Common Stock was converted into or
exchanged for pursuant to such Reorganization Event in the same manner and to
the same extent as they applied to the Common Stock subject to such Restricted
Stock Award.

8.       GENERAL PROVISIONS APPLICABLE TO AWARDS

        (a)    TRANSFERABILITY OF AWARDS. Except as the Board may otherwise
determine or provide in an Award, Awards shall not be sold, assigned,
transferred, pledged or otherwise encumbered by the person to whom they are
granted, either voluntarily or by operation of law, except by will or the laws
of descent and distribution, and, during the life of the Participant, shall be
exercisable only by the Participant. References to a Participant, to the extent
relevant in the context, shall include references to authorized transferees.

                                      -6-





        (b)    DOCUMENTATION. Each Award shall be evidenced by a written
instrument in such form as the Board shall determine. Each Award may contain
terms and conditions in addition to those set forth in the Plan.

        (c)    BOARD DISCRETION. Except as otherwise provided by the Plan, each
Award may be made alone or in addition or in relation to any other Award. The
terms of each Award need not be identical, and the Board need not treat
Participants uniformly.

        (d)    TERMINATION OF STATUS. The Board shall determine the effect on an
Award of the disability, death, retirement, authorized leave of absence or other
change in the employment or other status of a Participant and the extent to
which, and the period during which, the Participant, the Participant's legal
representative, conservator, guardian or Designated Beneficiary may exercise
rights under the Award.

        (e)    WITHHOLDING. Each Participant shall pay to the Company, or make
provision satisfactory to the Board for payment of, any taxes required by law to
be withheld in connection with Awards to such Participant no later than the date
of the event creating the tax liability. Except as the Board may otherwise
provide in an Award, when the Common Stock is registered under the Exchange Act,
Participants may, to the extent then permitted under applicable law, satisfy
such tax obligations in whole or in part by delivery of shares of Common Stock,
including shares retained from the Award creating the tax obligation, valued at
their Fair Market Value. The Company may, to the extent permitted by law, deduct
any such tax obligations from any payment of any kind otherwise due to a
Participant.

        (f)    AMENDMENT OF AWARD. The Board may amend, modify or terminate any
outstanding Award, including but not limited to, substituting therefor another
Award of the same or a different type, changing the date of exercise or
realization, and converting an Incentive Stock Option to a Nonstatutory Stock
Option, provided that the Participant's consent to such action shall be required
unless the Board determines that the action, taking into account any related
action, would not materially and adversely affect the Participant.

        (g)    CONDITIONS ON DELIVERY OF STOCK. The Company will not be
obligated to deliver any shares of Common Stock pursuant to the Plan or to
remove restrictions from shares previously delivered under the Plan until (i)
all conditions of the Award have been met or removed to the satisfaction of the
Company, (ii) in the opinion of the Company's counsel, all other legal matters
in connection with the issuance and delivery of such shares have been satisfied,
including any applicable securities laws and any applicable stock exchange or
stock market rules and regulations, and (iii) the Participant has executed and
delivered to the Company such representations or agreements as the Company may
consider appropriate to satisfy the requirements of any applicable laws, rules
or regulations.

        (h)    ACCELERATION. The Board may at any time provide that any Options
shall become immediately exercisable in full or in part, that any shares of
Common Stock acquired upon exercise of an Option which shares are subject to the
Company's repurchase right shall be free of restrictions in full or in part, and
that any Restricted Stock Awards shall be free of restrictions in full or in
part.

                                      -7-





9.       MISCELLANEOUS

        (a)    NO RIGHT TO EMPLOYMENT OR OTHER STATUS. No person shall have any
claim or right to be granted an Award, and the grant of an Award shall not be
construed as giving a Participant the right to continued employment or any other
relationship with the Company. The Company expressly reserves the right at any
time to dismiss or otherwise terminate its relationship with a Participant free
from any liability or claim under the Plan, except as expressly provided in the
applicable Award.

        (b)    NO RIGHTS AS STOCKHOLDER. Subject to the provisions of the
applicable Award, no Participant or Designated Beneficiary shall have any rights
as a stockholder with respect to any shares of Common Stock to be distributed
with respect to an Award until becoming the record holder of such shares.
Notwithstanding the foregoing, in the event the Company effects a split of the
Common Stock by means of a stock dividend and the exercise price of and the
number of shares subject to such Option are adjusted as of the date of the
distribution of the dividend (rather than as of the record date for such
dividend), then an optionee who exercises an Option between the record date and
the distribution date for such stock dividend shall be entitled to receive, on
the distribution date, the stock dividend with respect to the shares of Common
Stock acquired upon such Option exercise, notwithstanding the fact that such
shares were not outstanding as of the close of business on the record date for
such stock dividend.

        (c)    EFFECTIVE DATE AND TERM OF PLAN. The Plan shall become effective
on the date on which it is adopted by the Board, but no Award granted to a
Participant that is intended to comply with Section 162(m) shall become
exercisable, vested or realizable, as applicable to such Award, unless and until
the Plan has been approved by the Company's stockholders to the extent
stockholder approval is required by Section 162(m) in the manner required under
Section 162(m) (including the vote required under Section 162(m)). No Awards
shall be granted under the Plan after the completion of ten years from the
earlier of (i) the date on which the Plan was adopted by the Board or (ii) the
date the Plan was approved by the Company's stockholders, but Awards previously
granted may extend beyond that date (the "Plan Term").

        (d)    AMENDMENT OF PLAN. The Board may amend, suspend or terminate the
Plan or any portion thereof at any time, provided that to the extent required by
Section 162(m), no Award granted to a Participant that is intended to comply
with Section 162(m) after the date of such amendment shall become exercisable,
realizable or vested, as applicable to such Award, unless and until such
amendment shall have been approved by the Company's stockholders as required by
Section 162(m) (including the vote required under Section 162(m)).

        (e)    GOVERNING LAW. The provisions of the Plan and all Awards made
hereunder shall be governed by and interpreted in accordance with the laws of
the State of Delaware, without regard to any applicable conflicts of law.


                        Adopted by the Board of Directors
                                 on May 31, 2000

                                      -8-