EXHIBIT 99.1


      CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

                                   PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

I, Robert H. Swanson, Jr., certify, pursuant to 18 U.S.C. Section 1350,
as adopted pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
that the Annual Report of Linear  Technology  Corporation  on Form 10-K
for the  fiscal  year  ended  June 30,  2002  fully  complies  with the
requirements  of Section 13(a) or 15(d) of the Securities  Exchange Act
of 1934 and that  information  contained in such Annual  Report on Form
10-K fairly presents in all material  respects the financial  condition
and results of operations of Linear Technology Corporation.


                                         By: /s/ Robert H. Swanson, Jr
                                             ----------------------------
                                         Name:  Robert H. Swanson, Jr.
                                         Title:    Chairman of the Board
                                         and Chief Executive Officer
                                         (Principal Executive Officer)



I, Paul  Coghlan,  certify,  pursuant  to 18 U.S.C.  Section  1350,  as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that
the Annual Report of Linear  Technology  Incorporation on Form 10-K for
the  fiscal  year  ended  June  30,  2002  fully   complies   with  the
requirements  of Section 13(a) or 15(d) of the Securities  Exchange Act
of 1934 and that  information  contained in such Annual  Report on Form
10-K fairly presents in all material  respects the financial  condition
and results of operations of Linear Technology Corporation.


                                         By: /s/ Paul Coghlan
                                             ------------------------------
                                         Name: Paul Coghlan
                                         Title:   Vice President of Finance
                                         and Chief Financial Officer
                                         (Principal Financial Officer and
                                         Principal Accounting Officer)

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