TELCOM SEMICONDUCTOR INC
SC 13G/A, 1998-02-12
SEMICONDUCTORS & RELATED DEVICES
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                                  SCHEDULE 13G

             INFORMATION STATEMENT PURSUANT TO RULES 13d-1 AND 13d-2
                    UNDER THE SECURITIES EXCHANGE ACT OF 1934
                             (Amendment No. 1 )*
                                           ---

                           Telcom Semiconductor, Inc.
                           --------------------------
                                (Name of Issuer)

                                  Common Stock
                           --------------------------
                         (Title of Class of Securities)

                                    97921P107
                           --------------------------
                                 (CUSIP Number)



*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the Notes)


                 (reflecting ownership as of December 31, 1997)

                               Page 1 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 2 of 16 Pages
         ----------                                                                                                       
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Partners VI  94-3198856
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,018,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
</TABLE>

                                                         Page 2 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 3 of 16 Pages
         ----------                                                                                                       
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Institutional Venture Management VI  94-3198855
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,018,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*


- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 3 of 16 Pages

<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 4 of 16 Pages
         ----------                                                                                                       
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Samuel D. Colella  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             5,200
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,021,534
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     5,200
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,021,534
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,026,734
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 4 of 16 Pages

<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 5 of 16 Pages
         ----------                                                                         
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Reid W. Dennis  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,053,334
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,053,334
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,053,334
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.6%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 5 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 6 of 16 Pages
         ----------                                                                        
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Mary Jane Elmore  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             20,000
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,032,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     20,000
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,032,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,052,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.6%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 6 of 16 Pages
<PAGE>
<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 7 of 16 Pages
         ----------                                                                        
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Norman A. Fogelsong  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,025,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,025,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,025,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 7 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 8 of 16 Pages
         ----------                                                                         
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Ruthann Quindlen  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             2,000
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,019,634
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     2,000
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,019,634
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,021,634
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.6%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 8 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 9 of 16 Pages
         ----------                                                                        
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              L. James Strand  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,019,434
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,019,434
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,019,434
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 9 of 16 Pages
<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 10 of 16 Pages
         ----------                                                                          
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              T. Peter Thomas  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,020,934
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,020,934
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,020,934
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                         Page 10 of 16 Pages

<PAGE>
<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 11 of 16 Pages
         ----------                                                                          
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              Geoffrey Y. Yang  ###-##-####
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY


- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              United States
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,020,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,020,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,020,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              IN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                        Page 11 of 16 Pages

<PAGE>

<TABLE>
<CAPTION>
<S>                                                                  <C>                  <C>
- -----------------------------------------------------                                     ------------------------------------------
CUSIP No. 97921P107                                                  13G                                Page 12 of 16 Pages
         ----------                                                                                                        
- -----------------------------------------------------                                     ------------------------------------------

- ------------- ----------------------------------------------------------------------------------------------------------------------
     1        NAME OF REPORTING PERSONS
              S.S. or I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS

              IVP Founders Fund I  94-3231480
- ------------- ----------------------------------------------------------------------------------------------------------------------
     2        CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*    (a)      [ ]
                                                                                              (b)     [X]
- ------------- ----------------------------------------------------------------------------------------------------------------------
     3        SEC USE ONLY

- ------------- ----------------------------------------------------------------------------------------------------------------------
     4        CITIZENSHIP OR PLACE OF ORGANIZATION

              California
- ---------------------------- ------- -----------------------------------------------------------------------------------------------
     NUMBER OF SHARES          5     SOLE VOTING POWER
BENEFICIALLY OWNED BY EACH
   REPORTING PERSON WITH             none
                             ------- -----------------------------------------------------------------------------------------------
                               6     SHARED VOTING POWER

                                     3,018,834
                             ------- -----------------------------------------------------------------------------------------------
                               7     SOLE DISPOSITIVE POWER

                                     none
                             ------- -----------------------------------------------------------------------------------------------
                               8     SHARED DISPOSITIVE POWER

                                     3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     9        AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

              3,018,834
- ------------- ----------------------------------------------------------------------------------------------------------------------
     10       CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES*

- ------------- ----------------------------------------------------------------------------------------------------------------------
     11       PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

              18.4%
- ------------- ----------------------------------------------------------------------------------------------------------------------
     12       TYPE OF REPORTING PERSON*

              PN
- ------------- ----------------------------------------------------------------------------------------------------------------------
<FN>
                                                *SEE INSTRUCTIONS BEFORE FILLING OUT!
</FN>
</TABLE>
                                                        Page 12 of 16 Pages
<PAGE>


Item 1.

       (a)    Name of Issuer:       Telcom Semiconductor, Inc

       (b)    Address of Issuer's Principal Executive Offices:
                                    1300 Terra Bella Avenue
                                    Mountain View, CA  94039
Item 2.

       (a)    Name of Persons Filing:
                                    Institutional Venture Partners VI ("IVP")
                                    Institutional Venture Management VI ("IVM")
                                    IVP Founders Fund I ("FFI")
                                    Samuel D. Colella ("SDC")
                                    Reid W. Dennis ("RWD")
                                    Mary Jane Elmore ("MJE")
                                    Norman A. Fogelsong ("NAF")
                                    Ruthann Quindlen ("RAQ")
                                    L. James Strand ("LJS")
                                    T. Peter Thomas ("TPT")
                                    Geoffrey Y. Yang ("GYY")

IVM is the General  Partner of IVP and FFI. SDC, RWD, MJE, NAF, RAQ, LJS. TPT, &
GYY are General Partners of IVM.

       (b)    Address of Principal Business Office or, if None, Residence:
                                    3000 Sand Hill Road
                                    Building 2, Suite 290
                                    Menlo Park, CA  94025

       (c)    Citizenship:
                                    IVP & IVM & FFI:  California
                                    SDC, RWD, MJE, NAF, RAQ, LJS, TPT,
                                    GYY: United States

       (d)    Title of Class of Securities:
                                    Common Stock

       (e)    CUSIP Number:         97921P107

Item 3. If this statement is filed pursuant to Rules 13d-1(b),or 13d-2(b), check
whether the person filing is a:

Not applicable

Item 4.  Ownership

See Rows 5 through 11 of cover pages

Item 5.  Ownership of Five Percent or Less of a Class

       If this  statement  is being filed to report the fact that as of the date
hereof the reporting  person has ceased to be the beneficial  owner of more than
five percent of the class of securities, check the following o.

          Instruction.  Dissolution of a group requires a response to this item.

                              Page 13 of 16 Pages

<PAGE>


Item 6.  Ownership of More than Five Percent on Behalf of Another Person

Under  certain  circumstances  set  forth in IVP and IVM's  Limited  Partnership
Agreements, the General Partners and Limited Partners of each of such funds have
the right to  receive  dividends  from,  or the  proceeds  from the sale of, the
Common  Stock of Issuer  owned by each such  fund.  Item 7.  Identification  and
Classification  of the Subsidiary  Which Acquired the Security Being Reported on
by the Parent Holding Company

Not applicable

Item 8.  Identification and Classification of Members of the Group

Not applicable

Item 9.  Notice of Dissolution of Group

Not applicable

Item 10. Certification

         [The  following  certification  shall be included if the  statement  is
filed pursuant to Rule 13d-1(b):]

       By signing  below I certify that, to the best of my knowledge and belief,
the  securities  referred  to above  were  acquired  in the  ordinary  course of
business  and were not acquired for the purpose of and do not have the effect of
changing or  influencing  the control of the issuer of such  securities and were
not acquired in connection  with or as a participant in any  transaction  having
such purpose or effect.]


[EXHIBITS]

[A:    Joint Filing Statement]

                              Page 14 of 16 Pages

<PAGE>



                                    SIGNATURE

       After  reasonable  inquiry and to the best of my knowledge and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

Date:             January 27, 1998

INSTITUTIONAL VENTURE PARTNERS VI            INSTITUTIONAL VENTURE MANAGEMENT VI
By its General Partner,
Institutional Venture Management VI

- --------------------------------             -----------------------------------
Geoffrey Y. Yang, General Partner            Geoffrey Y. Yang, General Partner

IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI

- --------------------------------
Geoffrey Y. Yang, General Partner


- --------------------------------
Samuel D. Colella


- --------------------------------
Reid W. Dennis


- --------------------------------
Mary Jane Elmore


- --------------------------------
Norman A. Fogelsong


- --------------------------------
Ruthann Quindlen


- --------------------------------
L. James Strand


- --------------------------------
T. Peter Thomas


- --------------------------------
Geoffrey Y. Yang

                              Page 15 of 16 Pages

<PAGE>


                                    EXHIBIT A

                             JOINT FILING STATEMENT

       Pursuant to Rule  13d-1(f)(1),  we, the  undersigned,  hereby express our
agreement that the attached Schedule 13G is filed on behalf of each of us.

Date:             January 27, 1998

INSTITUTIONAL VENTURE PARTNERS VI            INSTITUTIONAL VENTURE MANAGEMENT VI
By its General Partner,
Institutional Venture Management VI

- --------------------------------             -----------------------------------
Geoffrey Y. Yang, General Partner            Geoffrey Y. Yang, General Partner

IVP FOUNDERS FUND I
By its General Partner,
Institutional Venture Management VI

- --------------------------------
Geoffrey Y. Yang, General Partner


- --------------------------------
Samuel D. Colella


- --------------------------------
Reid W. Dennis


- --------------------------------
Mary Jane Elmore


- --------------------------------
Norman A. Fogelsong


- --------------------------------
Ruthann Quindlen


- --------------------------------
L. James Strand


- --------------------------------
T. Peter Thomas


- --------------------------------
Geoffrey Y. Yang

                              Page 16 of 16 Pages



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