Exhibit 23.1


   CONSENT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM


We consent to the  incorporation  by  reference in the  Registration  Statements
(Form S-8 Nos.  33-8306,  33-27367,  33-37432,  333-40595,  33-57330,  33-58745,
333-84149,  333-60946 and  333-102542)  pertaining  to the 1986  Employee  Stock
Purchase Plan,  1981 Incentive  Stock Option Plan,  1988 Incentive  Stock Option
Plan, 1996 Incentive Stock Option Plan, and 2001 Nonstatutory  Stock Option Plan
and Form of Stock  Option  Agreement  of Linear  Technology  Corporation  of our
report  dated  July  20,  2004,  with  respect  to  the  consolidated  financial
statements and schedule of Linear Technology Corporation included in this Annual
Report (Form 10-K) for the year ended June 27, 2004.

                                                           /s/ Ernst & Young LLP

San Jose, California
September 3, 2004


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