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                                                                     EXHIBIT 4.2

                        INTEGRATED SILICON SOLUTION, INC.

                         1995 DIRECTOR STOCK OPTION PLAN

                          (AS AMENDED OCTOBER 29, 1998)

     1.   Purposes of the Plan. The purposes of this 1995 Director Stock Option
Plan are to attract and retain the best available personnel for service as
Outside Directors (as defined herein) of the Company, to provide additional
incentive to the Outside Directors of the Company to serve as Directors, and to
encourage their continued service on the Board.

     All options granted hereunder shall be nonstatutory stock options.

     2.   Definitions. As used herein, the following definitions shall apply:

          (a)  "Board" means the Board of Directors of the Company.

          (b)  "Code" means the Internal Revenue Code of 1986, as amended.

          (c)  "Common Stock" means the Common Stock of the Company.

          (d)  "Company" means Integrated Silicon Solution, Inc., a Delaware
corporation.

          (e)  "Continuous Status as a Director" means the absence of any
interruption or termination of service as a Director.

          (f)  "Director" means a member of the Board.

          (g)  "Employee" means any person, including officers and Directors,
employed by the Company or any Parent or Subsidiary of the Company. The payment
of a Director's fee by the Company shall not be sufficient in and of itself to
constitute "employment" by the Company.

          (h)  "Exchange Act" means the Securities Exchange Act of 1934, as
amended.

          (i)  "Fair Market Value" means, as of any date, the value of Common
Stock determined as follows:

               (i)  If the Common Stock is listed on any established stock
exchange or a national market system, including without limitation the Nasdaq
National Market of the National Association of Securities Dealers, Inc.
Automated Quotation ("NASDAQ") System, the Fair Market Value of a Share of
Common Stock shall be the closing sales price for such stock (or the closing
bid, if no sales were reported) as quoted on such system or exchange (or the
exchange with the greatest volume of trading in Common Stock) on the date of
grant, as reported in The Wall Street Journal or such other source as the Board
deems reliable;

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               (ii) If the Common Stock is quoted on the NASDAQ System (but not
on the National Market thereof) or regularly quoted by a recognized securities
dealer but selling prices are not reported, the Fair Market Value of a Share of
Common Stock shall be the mean between the high bid and low asked prices for the
Common Stock on the day of determination, as reported in The Wall Street Journal
or such other source as the Board deems reliable, or;

               (iii) In the absence of an established market for the Common
Stock, the Fair Market Value thereof shall be determined in good faith by the
Board.

     (j)  "Option" means a stock option granted pursuant to the Plan.

     (k)  "Optioned Stock" means the Common Stock subject to an Option.

     (l)  "Optionee" means an Outside Director who receives an Option.

     (m)  "Outside Director" means a Director who is not an Employee.

     (n)  "Parent" means a "parent corporation," whether now or hereafter
existing, as defined in Section 424(e) of the Code.

     (o)  "Plan" means this 1995 Director Stock Option Plan.

     (p)  "Share" means a share of the Common Stock, as adjusted in accordance
with Section 10 of the Plan.

     (q)  "Subsidiary" means a "subsidiary corporation," whether now or
hereafter existing, as defined in Section 424(f) of the Internal Revenue Code of
1986.

     3.   Stock Subject to the Plan. Subject to the provisions of Section 10 of
the Plan, the maximum aggregate number of Shares which may be optioned and sold
under the Plan is 125,000 Shares of Common Stock (the "Pool"). The Shares may be
authorized, but unissued, or reacquired Common Stock.

          If an Option expires or becomes unexercisable without having been 
exercised in full, the unpurchased Shares which were subject thereto shall
become available for future grant or sale under the Plan (unless the Plan has
terminated); provided, however, that Shares that have actually been issued under
the Plan shall not be returned to the Plan and shall not become available for
future distribution under the Plan.

     4.   Administration and Grants of Options under the Plan.

          (a)  Procedure for Grants. The provisions set forth in this Section
4(a) shall not be amended more than once every six months, other than to comport
with changes in the Code, the Employee Retirement Income Security Act of 1974,
as amended, or the rules thereunder. All grants of Options to Outside Directors
under this Plan shall be automatic and nondiscretionary and shall be made
strictly in accordance with the following provisions:

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          (i)  No person shall have any discretion to select which Outside
Directors shall be granted Options or to determine the number of Shares to be
covered by Options granted to Outside Directors.

          (ii) Each Outside Director shall be automatically granted an Option
(the "First Option") to purchase 10,000 Shares (adjusted as provided in Section
10(a) hereof) on the date on which such person first becomes an Outside
Director, whether through election by the stockholders of the Company or
appointment by the Board to fill a vacancy; provided, however, that no First
Option shall be granted hereunder to a person who was a Director and who has
become an Outside Director as a result of such person no longer being employed
by the Company.

          (iii) Each Outside Director shall be automatically granted an Option
(a "Subsequent Option") to purchase 10,000 shares (adjusted as provided in
Section 10(a) hereof) on the date on which such person is re-elected by the
stockholders of the Company as an Outside Director; provided, however, that no
Option shall be granted hereunder to an Outside Director who is re-elected
within six months of being appointed or elected to the Board.

          (iv) Notwithstanding the provisions of subsections (ii) and (iii)
hereof, no Options shall be exercisable before the Company has obtained
stockholder approval of the Plan in accordance with Section 16.

          (v)  The terms of a First Option granted hereunder shall be as
follows:

               (A)  the term of the First Option shall be ten (10) years.

               (B)  the First Option shall be exercisable only while the Outside
Director remains a Director of the Company, except as set forth in Section 8
hereof.

               (C)  the exercise price per Share shall be 100% of the fair
market value per Share on the date of grant of the First Option.

               (D)  the First Option shall become exercisable as to one-twelfth
of the Shares subject to the First Option one month from its date of grant, and
as to an additional one-twelfth of the Shares subject to the First Option each
month thereafter, provided that the Optionee remains an Outside Director as of
the end of each one month period, so that one year from its date of grant the
First Option shall be fully vested.

          (vi) The terms of a Subsequent Option granted hereunder shall be as 
follows:

               (A)  the term of a Subsequent Option shall be ten (10) years.

               (B)  a Subsequent Option shall be exercisable only while the
Outside Director remains a Director of the Company, except as set forth in
Section 8 hereof.

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               (C)  the exercise price per Share shall be 100% of the fair
market value per Share on the date of grant of a Subsequent Option.

               (D)  a Subsequent Option shall become exercisable as to
one-twelfth of the Shares subject to such Option one month from its date of
grant, and as to an additional one-twelfth of the Shares subject to such Option
each month thereafter, provided that the Optionee remains an Outside Director as
of the end of each one month period, so that one year from its date of grant a
Subsequent Option shall be fully vested.

          (vii) In the event that any Option granted under the Plan would cause
the number of Shares subject to outstanding Options plus the number of Shares
previously purchased under Options to exceed the number of Shares in the Pool,
then the remaining Shares available for Option grant shall be granted under
Options to the Outside Directors on a pro rata basis. No further grants shall be
made until such time, if any, as additional Shares become available for grant
under the Plan through action of the Board or the stockholders to increase the
number of Shares which may be issued under the Plan or through cancellation or
expiration of Options previously granted hereunder.

     5.   Eligibility. Options may be granted only to Outside Directors. All
Options shall be automatically granted in accordance with the terms set forth in
Section 4 hereof. An Outside Director who has been granted an Option may, if he
or she is otherwise eligible, be granted an additional Option or Options in
accordance with such provisions.

          The Plan shall not confer upon any Optionee any right with respect to
continuation of service as a Director or nomination to serve as a Director, nor
shall it interfere in any way with any rights which the Director or the Company
may have to terminate his or her directorship at any time.

     6.   Term of Plan. The Plan shall become effective upon the date that the
Company's registration statement on Form S-1 for the purpose of effecting the
initial public offering of the Common Stock becomes effective under the
Securities Act of 1933, as amended (the "Securities Act"). It shall continue in
effect for a term of ten (10) years unless sooner terminated under Section 11 of
the Plan.

     7.   Form of Consideration. The consideration to be paid for the Shares to
be issued upon exercise of an Option, including the method of payment, shall be
determined by the Administrator (and, in the case of an Incentive Stock Option,
shall be determined at the time of grant) and may consist entirely of (1) cash,
(2) check, (3) promissory note, (4) other Shares which (x) in the case of Shares
acquired upon exercise of an Option either have been owned by the Optionee for
more than six months on the date of surrender or were not acquired, directly or
indirectly, from the Company, and (y) have a Fair Market Value on the date of
surrender equal to the aggregate exercise price of the Shares as to which said
Option shall be exercised, (5) authorization from the Company to retain from the
total number of Shares as to which the Option is exercised that number of Shares
having a Fair Market Value on the date of exercise equal to the exercise price
for the total number of Shares as to which the Option is exercised, (6) by
delivering an irrevocable subscription agreement for the Shares which
irrevocably obligates the option holder to take and pay for the Shares not more
than twelve 

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months after the date of delivery of the subscription agreement, (7) delivery of
a properly executed exercise notice together with such other documentation as
the Administrator and the broker, if applicable, shall require to effect an
exercise of the Option and delivery to the Company of the sale or loan proceeds
required to pay the exercise price; (8) any combination of the foregoing methods
of payment, (9) or such other consideration and method of payment for the
issuance of Shares to the extent permitted under Applicable Laws. In making its
determination as to the type of consideration to accept, the Board shall
consider if acceptance of such consideration may be reasonably expected to
benefit the Company (Section 315(b) of the California corporation law).

     8.   Exercise of Option.

          (a)  Procedure for Exercise; Rights as a Stockholder. Any Option
granted hereunder shall be exercisable at such times as are set forth in Section
4 hereof; provided, however, that no Options shall be exercisable until
stockholder approval of the Plan in accordance with Section 16 hereof has been
obtained.

          An Option may not be exercised for a fraction of a Share.

          An Option shall be deemed to be exercised when written notice of such
exercise has been given to the Company in accordance with the terms of the
Option by the person entitled to exercise the Option and full payment for the
Shares with respect to which the Option is exercised has been received by the
Company. Full payment may consist of any consideration and method of payment
allowable under Section 7 of the Plan. Until the issuance (as evidenced by the
appropriate entry on the books of the Company or of a duly authorized transfer
agent of the Company) of the stock certificate evidencing such Shares, no right
to vote or receive dividends or any other rights as a stockholder shall exist
with respect to the Optioned Stock, notwithstanding the exercise of the Option.
A share certificate for the number of Shares so acquired shall be issued to the
Optionee as soon as practicable after exercise of the Option. No adjustment
shall be made for a dividend or other right for which the record date is prior
to the date the stock certificate is issued, except as provided in Section 10 of
the Plan.

          Exercise of an Option in any manner shall result in a decrease in the 
number of Shares which thereafter may be available, both for purposes of the
Plan and for sale under the Option, by the number of Shares as to which the
Option is exercised.

          (b)  Rule 16b-3. Options granted to Outside Directors must comply with
the applicable provisions of Rule 16b-3 promulgated under the Exchange Act or
any successor thereto and shall contain such additional conditions or
restrictions as may be required thereunder to qualify Plan transactions, and
other transactions by Outside Directors that otherwise could be matched with
Plan transactions, for the maximum exemption from Section 16 of the Exchange
Act.

          (c)  Termination of Continuous Status as a Director. In the event an
Optionee's Continuous Status as a Director terminates (other than upon the
Optionee's death or total and permanent disability (as defined in Section
22(e)(3) of the Code)), the Optionee may exercise his or her Option, but only
within three (3) months from the date of such termination, and only to the

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extent that the Optionee was entitled to exercise it on the date of such
termination (but in no event later than the expiration of its ten (10) year
term). To the extent that the Optionee was not entitled to exercise an Option on
the date of such termination, and to the extent that the Optionee does not
exercise such Option (to the extent otherwise so entitled) within the time
specified herein, the Option shall terminate.

          (d)  Disability of Optionee. In the event Optionee's Continuous Status
as a Director terminates as a result of total and permanent disability (as
defined in Section 22(e)(3) of the Code), the Optionee may exercise his or her
Option, but only within twelve (12) months following the date of such
termination, and only to the extent that the Optionee was entitled to exercise
it on the date of such termination (but in no event later than the expiration of
its ten (10) year term). To the extent that the Optionee was not entitled to
exercise an Option on the date of termination, or if he or she does not exercise
such Option (to the extent otherwise so entitled) within the time specified
herein, the Option shall terminate.

          (e)  Death of Optionee. In the event of an Optionee's death, the
Optionee's estate or a person who acquired the right to exercise the Option by
bequest or inheritance may exercise the Option, but only within twelve (12)
months following the date of death, and only to the extent that the Optionee was
entitled to exercise it on the date of death (but in no event later than the
expiration of its ten (10) year term). To the extent that the Optionee was not
entitled to exercise an Option on the date of death, and to the extent that the
Optionee's estate or a person who acquired the right to exercise such Option
does not exercise such Option (to the extent otherwise so entitled) within the
time specified herein, the Option shall terminate.

     9.   Non-Transferability of Options. The Option may not be sold, pledged,
assigned, hypothecated, transferred, or disposed of in any manner other than by
will or by the laws of descent or distribution and may be exercised, during the
lifetime of the Optionee, only by the Optionee.

     10.  Adjustments Upon Changes in Capitalization, Dissolution, Merger or
Asset Sale.

          (a)  Changes in Capitalization. Subject to any required action by the
stockholders of the Company, the number of Shares covered by each outstanding
Option, the number of Shares which have been authorized for issuance under the
Plan but as to which no Options have yet been granted or which have been
returned to the Plan upon cancellation or expiration of an Option, as well as
the price per Share covered by each such outstanding Option, and the number of
Shares issuable pursuant to the automatic grant provisions of Section 4 hereof
shall be proportionately adjusted for any increase or decrease in the number of
issued Shares resulting from a stock split, reverse stock split, stock dividend,
combination or reclassification of the Common Stock, or any other increase or
decrease in the number of issued Shares effected without receipt of
consideration by the Company; provided, however, that conversion of any
convertible securities of the Company shall not be deemed to have been "effected
without receipt of consideration." Except as expressly provided herein, no
issuance by the Company of shares of stock of any class, or securities
convertible into shares of stock of any class, shall affect, and no adjustment
by reason thereof shall be made with respect to, the number or price of Shares
subject to an Option.

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          (b)  Dissolution or Liquidation. In the event of the proposed
dissolution or liquidation of the Company, to the extent that an Option has not
been previously exercised, it shall terminate immediately prior to the
consummation of such proposed action.

          (c)  Merger or Asset Sale. In the event of a merger of the Company
with or into another corporation or the sale of substantially all of the assets
of the Company, in a transaction or series of transactions whereby the
stockholders of the Company hold less than a majority of the outstanding capital
stock of the surviving or successor entity, each outstanding Option shall become
fully vested and exercisable, including as to Shares that would not otherwise be
exercisable. If an Option becomes fully vested and exercisable in the event of a
merger or sale of assets, the Board shall notify the Optionee that the Option
shall be fully exercisable for a period of thirty (30) days from the date of
such notice, and the Option shall terminate upon the expiration of such thirty
(30) day period.

     11.  Amendment and Termination of the Plan.

          (a)  Amendment and Termination. Except as set forth in Section 4, the
Board may at any time amend, alter, suspend, or discontinue the Plan, but no
amendment, alteration, suspension, or discontinuation shall be made which would
impair the rights of any Optionee under any grant theretofore made, without his
or her consent. In addition, to the extent necessary and desirable to comply
with Rule 16b-3 under the Exchange Act (or any other applicable law or
regulation), the Company shall obtain stockholder approval of any Plan amendment
in such a manner and to such a degree as required.

          (b)  Effect of Amendment or Termination. Any such amendment or
termination of the Plan shall not affect Options already granted and such
Options shall remain in full force and effect as if this Plan had not been
amended or terminated.

     12.  Time of Granting Options. The date of grant of an Option shall, for
all purposes, be the date determined in accordance with Section 4 hereof.

     13.  Conditions Upon Issuance of Shares. Shares shall not be issued
pursuant to the exercise of an Option unless the exercise of such Option and the
issuance and delivery of such Shares pursuant thereto shall comply with all
relevant provisions of law, including, without limitation, the Securities Act,
the Exchange Act, the rules and regulations promulgated thereunder, state
securities laws, and the requirements of any stock exchange upon which the
Shares may then be listed, and shall be further subject to the approval of
counsel for the Company with respect to such compliance.

          As a condition to the exercise of an Option, the Company may require 
the person exercising such Option to represent and warrant at the time of any
such exercise that the Shares are being purchased only for investment and
without any present intention to sell or distribute such Shares, if, in the
opinion of counsel for the Company, such a representation is required by any of
the aforementioned relevant provisions of law.

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          Inability of the Company to obtain authority from any regulatory body
having jurisdiction, which authority is deemed by the Company's counsel to be
necessary to the lawful issuance and sale of any Shares hereunder, shall relieve
the Company of any liability in respect of the failure to issue or sell such
Shares as to which such requisite authority shall not have been obtained.

     14.  Reservation of Shares. The Company, during the term of this Plan, will
at all times reserve and keep available such number of Shares as shall be
sufficient to satisfy the requirements of the Plan.

     15.  Option Agreement. Options shall be evidenced by written option
agreements in such form as the Board shall approve.

     16.  Stockholder Approval. Continuance of the Plan shall be subject to
approval by the stockholders of the Company at or prior to the first annual
meeting of stockholders held subsequent to the granting of an Option hereunder.
Such stockholder approval shall be obtained in the degree and manner required
under applicable state and federal law.

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