LINEAR TECHNOLOGY CORP /CA/
10-K, 1999-09-24
SEMICONDUCTORS & RELATED DEVICES
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                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                    FORM 10-K

(Mark One)
[X]  ANNUAL REPORT  PURSUANT TO SECTION 13 OR 15(D) OF THE  SECURITIES  EXCHANGE
     ACT OF 1934
     [FEE REQUIRED]

[ ]  TRANSITION  REPORT  PURSUANT  TO  SECTION  13 OR  15(D)  OF THE  SECURITIES
     EXCHANGE ACT OF 1934
     [NO FEE REQUIRED]


FOR THE FISCAL YEAR ENDED JUNE 27, 1999              COMMISSION FILE NO. 0-14864

                          LINEAR TECHNOLOGY CORPORATION
             (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)

           CALIFORNIA                                           94-2778785
(STATE OR OTHER JURISDICTION OF                              (I.R.S. EMPLOYER
 INCORPORATION OR ORGANIZATION)                             IDENTIFICATION NO.)

      1630 MCCARTHY BOULEVARD                                   95035-7417
        MILPITAS, CALIFORNIA                                    (ZIP CODE)
(ADDRESS OF PRINCIPAL EXECUTIVE OFFICES)

REGISTRANT'S TELEPHONE NUMBER, INCLUDING AREA CODE:               (408) 432-1900


           Securities registered pursuant to Section 12(b) of the Act:
                                      NONE

           Securities registered pursuant to Section 12(g) of the Act:
                           COMMON STOCK, NO PAR VALUE
                                (TITLE OF CLASS)

         Indicate by check mark whether the Registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
Registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days.

                                 Yes _X_ No ___

         Indicate by check mark if disclosure of delinquent  filers  pursuant to
Item 405 of Regulation S-K is not contained  herein,  and will not be contained,
to the best of the  Registrant's  knowledge,  in definitive proxy or information
statements  incorporated  by  reference  in Part  III of this  Form  10-K or any
amendment to this Form 10-K. [ ]

         The aggregate  market value of voting stock held by  non-affiliates  of
the Registrant was approximately  $6,766,883,400 as of September 10, 1999, based
upon the closing sale price on the Nasdaq  National  Market System  reported for
such date.  Shares of common stock held by each officer and director and by each
person who owns 5% or more of the outstanding common stock have been excluded in
that  such  persons  may be  deemed  to be  affiliates.  This  determination  of
affiliate  status  is not  necessarily  a  conclusive  determination  for  other
purposes.

         There were 154,222,197  shares of the Registrant's  common stock issued
and outstanding as of September 10, 1999.


                      DOCUMENTS INCORPORATED BY REFERENCE:

(1)  Items 1 and 2 of Part I, Items 5, 6, 7, 7A and 8 of Part II, and Item 14(a)
     1. of Part IV  incorporate  information  by reference  from Exhibit 13.1 to
     this Form 10-K which contains certain information  included in Registrant's
     Annual Report to Shareholders for the fiscal year ended June 27, 1999.

(2)  Items 10, 11 and 12 of Part III  incorporate  information by reference from
     the definitive proxy statement (the "1999 Proxy  Statement") for the Annual
     Meeting of Shareholders to be held on November 3, 1999.


<PAGE>


                                     PART I

Item 1. Business

General

         Linear   Technology   Corporation   (together  with  its   consolidated
subsidiaries,  "Linear Technology" or the "Company")  designs,  manufactures and
markets a broad line of standard high performance  linear  integrated  circuits.
Applications  for the Company's  products include  telecommunications,  cellular
telephones,  networking  products and  satellite  systems,  notebook and desktop
computers, computer peripherals,  video/multimedia,  industrial instrumentation,
automotive  electronics,  factory automation,  process control, and military and
space  systems.  The  Company  was  organized  and  incorporated  in  1981  by a
management  team with  significant  experience  in the design,  manufacture  and
marketing of linear  circuits.  The Company  competes  primarily on the basis of
performance, functional value, quality, reliability and service.

The linear circuit industry

         Semiconductor  components  are the electronic  building  blocks used in
electronic  systems and  equipment.  These  components  are classified as either
discrete  devices (such as individual  transistors)  or integrated  circuits (in
which a number of  transistors  and other  elements  are combined to form a more
complicated electronic circuit). Integrated circuits ("ICs") may be divided into
two general categories,  digital and linear (or analog).  Digital circuits, such
as memory  devices and  microprocessors,  generally  process  on-off  electrical
signals, represented by binary digits, "1" and "0." In contrast, linear circuits
monitor,  condition,  amplify or transform  continuous analog signals associated
with physical properties, such as temperature, pressure, weight, light, sound or
speed, and play an important role in bridging between real world phenomena and a
variety of electronic  systems.  Linear circuits also provide voltage regulation
and power control to electronic systems, especially in hand-held battery powered
systems.

         According to World Semiconductor Trade Statistics, worldwide monolithic
linear integrated circuit sales,  estimated to be approximately $19.1 billion in
1998, represent approximately 17% of the total integrated circuit market. Linear
Technology  competes  primarily  in the  non-consumer  segment  of the linear IC
market, which was approximately 71% of the total monolithic linear IC market for
1998.

         The Company  believes that several  factors  generally  distinguish the
linear integrated circuit business from the digital circuit business, including:

                  Importance  of  Individual  Design  Contribution.  The Company
         believes  that the  creativity  of  individual  design  engineers is of
         particular  importance in the linear circuit industry.  The design of a
         linear integrated circuit generally involves a greater variety and less
         repetition of circuit  elements than digital design.  In addition,  the
         interaction  of  linear  circuit  elements  is  complex,  and the exact
         placement of these elements in the circuit is critical to the circuit's
         precision and performance.  Computer-aided engineering and design tools
         for linear  circuits are not as accurate in modeling  circuits as those
         tools  used  for  designing   digital  circuits.   As  a  result,   the
         contributions  of  a  relatively  small  number  of  individual  design
         engineers are  generally of greater  importance in the design of linear
         circuits than in the design of digital circuits.

                  Smaller Capital Requirements.  Digital circuit design attempts
         to  minimize  device  size and  maximize  speed by  increasing  circuit
         densities.  The process  technology  necessary  for  increased  density
         requires  very  expensive  wafer  fabrication  equipment.  In contrast,
         linear  circuit  design  focuses on precise  matching and  placement of
         circuit elements, and linear circuits often require large feature sizes
         to achieve  precision  and high  voltage  operation.  Accordingly,  the
         linear circuit manufacturing process generally requires smaller initial
         capital expenditures, particularly for photomasking equipment and clean
         room  facilities,   and  less  frequent  replacement  of  manufacturing
         equipment  because the equipment has, to date,  been less vulnerable to
         technological obsolescence.

                  Market Diversity;  Relative Pricing Stability.  Because of the
         varied applications for linear circuits,  manufacturers typically offer
         a greater variety of device types to a more diverse group of customers,
         who typically have smaller volume requirements per device. As a result,
         linear circuit  manufacturers  are often less dependent upon particular
         products  or  customers,  linear  circuit  markets are  generally  more
         fragmented,  and  competition  within  those  markets  tends to be more
         diffused.  The Company  believes that



<PAGE>


         competition in the linear circuit market is particularly dependent upon
         performance,  functional value, quality,  reliability and service. As a
         result, linear circuit pricing has generally been more stable than most
         digital circuit pricing.

                  Less Japanese And Other Asian Competition.  To date,  Japanese
         and other  Asian  firms  have  concentrated  their  efforts on the high
         volume  digital and  consumer  linear  markets,  as opposed to the high
         performance end of the linear circuit market served by the Company.

         The Semiconductor Industry. The semiconductor industry is characterized
by  rapid  technological  change,  price  erosion,   cyclical  market  patterns,
occasional  shortages  of  materials,   capacity   constraints,   variations  in
manufacturing  efficiencies,  and significant expenditures for capital equipment
and  product  development.  Furthermore,  new product  introductions  and patent
protection of existing products are critical factors for future sales growth and
sustained profitability. Although the Company believes that the high performance
segment  of the  linear  circuit  market is  generally  less  affected  by price
erosion,  cyclical  market  patterns and  significant  expenditures  for capital
equipment  and product  development  than other  semiconductor  market  sectors,
future operating results may reflect  substantial period to period  fluctuations
due to these or other factors.

         Although  the  Company   believes  that  it  has  the  product   lines,
manufacturing  facilities and technical and financial  resources for its current
operations,  sales and profitability can be significantly  affected by the above
and other factors.  Additionally, the Company's common stock could be subject to
significant  price  volatility  should  sales and/or  earnings  fail to meet the
expectations of the investment community. Furthermore, stocks of high technology
companies  are subject to extreme price and volume  fluctuations  that are often
unrelated or disproportionate to the operating performance of these companies.

Products and markets

         Linear  Technology  produces a wide range of products  for a variety of
customers  and  markets.  The Company  emphasizes  standard  products to address
larger  markets and to reduce the risk of  dependency  upon a single  customer's
requirements.  The Company  targets the high  performance  segment of the linear
circuit market.  "High  performance" is characterized by higher precision,  both
high power or micropower,  higher speed, more subsystem  integration on a single
chip and many other special  features.  The Company focuses virtually all of its
design efforts on proprietary  products which, at the time of introduction,  are
original designs by the Company offering unique characteristics  differentiating
them from those offered by competitors.

         Although the types and mix of linear products vary by application,  the
principal product categories are as follows:

         Amplifiers - These circuits  amplify the voltage or output current of a
device. The amplification  represents the ratio of the output voltage or current
to the input voltage or current.  The most widely used device is the operational
amplifier due to its versatility and precision.

         High Speed  Amplifiers - These  amplifiers are used to amplify  signals
above  5MHz for  applications  such as  video,  fast data  acquisition  and data
communication.

         Voltage Regulators - Voltage regulators control the voltage of a device
or circuit at a specified level. This category of product consists  primarily of
two types,  the linear  regulator  and the switch  mode  regulator.  Switch mode
regulators  are also used to  convert  voltage up or down  within an  electronic
system for power management.

         Voltage  References - These  circuits  serve as  electronic  benchmarks
providing  a constant  voltage for system  usage.  Precision  references  have a
constant output independent of input, temperature changes or time.

         Interface  -  Interface  circuits  act as an  intermediary  to transfer
signals  between  or  within  electronic  systems.  These  circuits  are used in
computers, modems, instruments and remote data acquisition systems.

         Data Converters - These circuits  change linear  (analog)  signals into
digital  signals,  or vice versa,  and are often referred to as data acquisition
subsystems, A/D converters and D/A converters. The accuracy and speed with which
the analog  signal is converted to its digital  counterpart  is considered a key
characteristic for these devices.



<PAGE>


         Other  -  Other   linear   circuits   include   buffers,   comparators,
sample-and-hold devices, and switched capacitor filters, which are used to limit
and/or  manipulate  signals in such  applications as cellular  telephones,  base
stations, navigation system instrumentation and detection circuitry.

         Linear   circuits   are   used  in   various   applications   including
telecommunications,  cellular  telephones,  networking  products  and  satellite
systems, notebook and desktop computers, computer peripherals, video/multimedia,
industrial instrumentation,  automotive electronics, factory automation, process
control,  and  military  and space  systems.  The  Company  focuses  its product
development and marketing  efforts on high  performance  applications  where the
Company  believes it can position itself  competitively  with respect to product
performance and functional value.

<TABLE>
The following table sets forth,  with respect to each of the market areas served
by the Company, examples of specific end applications of the Company's products.



<PAGE>


<CAPTION>
Market                End Applications/Products                                Example Product Families
- ------                -------------------------                                ------------------------
<S>                    <C>                                                     <C>
                                                                     ____
Industrial/Process     Flow or rate metering                            |
     Control           Position/pressure/                               |
                         temperature sensing and control                |
                       Robotics                                         |
                       Energy management                                |
                       Process control data communication               |
                       Network and factory automation                   |
                       Security systems                                 |
                                                                        |      Data acquisition products
                                                                        |      High performance operational
                                                                        |      amplifiers
                                                                        |      Interface (RS 485/232) products
                                                                        |      Instrumentation amplifiers
Instrumentation/       Curve tracers                                  -------  Linear voltage regulators
     Measurement       Logic analyzers                                  |      Line drivers
                       Multimeters                                      |      Line receivers
                       Oscilloscopes                                    |      Precision comparators
                       Test equipment                                   |      Precision voltage references
                       Voltmeters                                       |      Switched capacitor filters
                       Network analyzers                                |      Switching voltage regulators
                       Scales                                           |      Voltage references
                       Analytic instruments                             |
                       Blood analyzers                                  |
                       Gas chromatic graphs                             |
                       EKG, CAT scanners                                |
                                                                        |
                                                                        |
Space/Military         Communications                                   |
and Transportation     Satellites                                       |
                       Guidance and navigation systems                  |
                       Displays                                         |
                       Firing control                                   |
                       Ground support equipment                         |
                       Radar systems                                    |
                       Sonar systems                                    |
                       Surveillance equipment                       ____|

                                                                    ____
                                                                        |
Communications/        Cellular phones (CDMA/TDMA/GSM)                  |      DC - DC converters
     Networking        Cellular basestations                            |      V.35 transceiver
                       Pagers                                           |      High-speed amplifiers
                       Modems/fax machines                              |      Line drivers
                       PBX switches                                     |      Line receivers
                       GPS systems                                      |      Low noise operational amplifiers
                       HDSL modems                                     ------  Micropower products
                       ADSL modems                                      |      Power management
                       Channel service unit/data service unit           |      Switched capacitor filters
                       Cable modems                                     |      Voltage references
                       Fiber optic systems                              |      Voltage regulators
                       Servers                                          |      Data acquisition products
                       Routers                                          |      Hot Swap controllers
                       Switches                                      ___|      Multi-protocol circuits



<PAGE>


Market                End Applications/Products                                Example Product Families
- ------                -------------------------                                ------------------------
                                                                     ____
Computer/Computer      Communications/interface modems                  |      Battery charging
     Peripherals       Disk drives                                      |      DC - DC converters
                       Notebook computers                               |      Data acquisition products
                       Desktop computers                                |      Hot Swap controllers
                       Workstations                                     |      Line drivers
                       LCD displays/monitors                            |      Line receivers
                       Plotters/printers                                ------ Low drop out linear regulators
                       Digital cameras                                  |      Micropower products
                       Power supplies                                   |      Precision operational amplifiers
                       Handheld information appliances                  |      Precision voltage references
                       Battery chargers                                 |      PCMCIA power switching
                       Video/multimedia                                 |      Power management
                                                                        |      Switched capacitor filters
                                                                     ___|      Switching voltage regulators
</TABLE>


Marketing and customers

         The Company markets its products worldwide, primarily through a network
of independent sales  representatives and electronics  distributors,  to a broad
range of  customers  in  diverse  industries.  In certain  limited  geographical
markets the Company has direct  sales  staff.  The Company  sells to over 15,000
Original Equipment  Manufacturer  (OEM) customers,  many of which purchase on an
individual purchase order basis,  rather than pursuant to long-term  agreements.
The Company's two largest domestic  distributors  accounted for 24%, 25% and 26%
of net sales for fiscal 1999, 1998 and 1997, respectively.  Distributors are not
end  customers,  but rather  serve as a channel of sale to many end users of the
Company's  products.  No other distributor or customer accounted for 10% or more
of net sales for fiscal 1999, 1998 or 1997.

         The Company has agreements with 16 independent sales representatives in
the United States and 2 in Canada. Commissions are paid to sales representatives
upon shipments  either  directly from the Company or through  distributors.  The
Company has agreements with 5 independent  distributors in North America,  18 in
Europe,  3 in  Japan,  2 each in Hong  Kong  and  Taiwan,  and 1 each in  Korea,
Singapore, South Africa, Philippines, India, Israel and Australia. The Company's
distributors   purchase  the   Company's   products  for  resale  to  customers.
Additionally,  domestic  distributors  often sell competitors'  products.  Under
certain  agreements,  the Company's domestic  distributors are entitled to price
rebates on  inventory  if the  Company  lowers the prices of its  products.  The
agreements also generally permit  distributors to exchange up to 5% of purchases
on a quarterly basis. See Note 1 of Notes to Consolidated  Financial  Statements
incorporated  by  reference to Exhibit  13.1 of this Form 10-K,  which  contains
certain   information   included  in  the   Company's   1999  Annual  Report  to
Shareholders.

         The  Company's   sales   organization  is  divided  into  domestic  and
international  regions, with sales managers based at the Company's  headquarters
and in the metropolitan areas of Boston, Philadelphia, Raleigh, Chicago, Dallas,
Austin, Houston, Los Angeles,  Irvine, London,  Stockholm,  Dusseldorf,  Munich,
Stuttgart,  Paris,  Singapore,  Tokyo, Osaka,  Taipei,  Seoul and Hong Kong. The
Company's products typically require a sophisticated technical sales effort.

         During  fiscal  1999,  1998 and 1997,  export  sales were  primarily to
Europe,  Japan and Asia and  represented  approximately  54%, 52% and 49% of net
sales,  respectively.  Because most of the Company's export sales are billed and
payable in United  States  dollars,  export  sales are  generally  not  directly
subject to fluctuating currency exchange rates. A strengthening of the dollar in
relation to other currencies may,  however,  create pricing  pressure.  Although
export sales are subject to certain control restrictions,  including approval by
the Office of Export Administration of the United States Department of Commerce,
the Company  has not  experienced  any  material  difficulties  relating to such
restrictions.

         The  Company's  backlog of released  and firm orders was  approximately
$89.4  million at June 27, 1999 as compared with $64.3 million at June 28, 1998.
In addition to its backlog, the Company had $29.0 million of product sold to and
held by domestic  distributors  at June 27, 1999 as compared to $29.1 million at
June 28, 1998. Generally,  shipments to domestic distributors are not recognized
as sales  until the  distributor  has sold the  products to its  customers.  The
Company  expects to ship virtually all of its backlog as of June 27, 1999 during
fiscal 2000. The Company defines  backlog as consisting of distributor  stocking
orders and OEM orders for which a delivery  schedule



<PAGE>


has been specified by the OEM customer for product  shipment  within six months.
Although the Company receives volume purchase orders,  most such purchase orders
are cancelable by the customer without  significant  penalty.  Lead time for the
release  of  purchase  orders  depends  upon  the  scheduling  practices  of the
individual  customer,  so the rate of booking  new orders  varies  from month to
month. The ordering practices of many semiconductor customers has shifted from a
practice of placing orders with delivery dates  extending over several months to
the practice of placing orders with shorter delivery dates.  Also, the Company's
agreements  with  certain  distributors  provide for limited  price  protection.
Consequently,  the  Company  does not  believe  that its  backlog at any time is
necessarily representative of actual sales for any succeeding period.

         In the operating  history of the Company,  seasonality  of business has
not been a material  factor,  although the results of  operations  for the first
fiscal quarter of each year are impacted  slightly by customary summer holidays,
particularly in Europe.

         The Company warrants that its products,  until they are incorporated in
other  products,  are free from defects in workmanship and materials and conform
to the Company's published specifications.  Warranty expense has been nominal to
date.

Manufacturing

         The  Company's  wafer  fabrication  and  manufacturing  facilities  are
located  at  its  headquarters  in  Milpitas,   California,  and  at  its  wafer
fabrication  plant in Camas,  Washington.  Each  facility  was built to  Company
specifications to support a number of sophisticated  process technologies and to
satisfy rigorous quality assurance and reliability requirements of United States
military specifications and major worldwide OEM customers.  All of the Company's
manufacturing facilities have received ISO 9001/ISO 9002 certification.

         The Company's wafer fabrication  facility located in Camas,  Washington
commenced manufacturing  operations in the second half of fiscal 1997. The Camas
wafer  fabrication  facility is used to produce six-inch diameter wafers for use
in the  production  of the  Company's  devices;  the  Company's  Milpitas  wafer
fabrication plant produces four-inch diameter wafers. The Company currently uses
similar manufacturing  processes in both its Milpitas and Camas facilities.  The
Company has commenced construction of a new wafer fabrication facility, near its
existing  facilities in Milpitas.  This new six-inch wafer  fabrication plant is
expected to be completed by the end of fiscal 2000,  with production to commence
in  fiscal  2001.  The  Company  has also  recently  completed  an  addition  of
approximately  40,000  square feet to its Camas  facility for future  expansion.
When  completed,  this  addition  will at least  double the current  Camas wafer
fabrication capacity.

         The Company's  basic process  technologies  include high speed bipolar,
high  gain,  low  noise   bipolar,   silicon  gate   complementary   metal-oxide
semiconductor   ("CMOS")  and  BiCMOS  processes.   The  Company  also  has  two
proprietary complementary bipolar processes. The Company's bipolar processes are
typically used in linear circuits where high voltages,  high power, low noise or
effective  component matching is necessary.  The Company's  proprietary  silicon
gate CMOS  processes  provide  switch  characteristics  required for many linear
circuit  functions,  as well as an efficient  mechanism for combining linear and
digital  circuits on the same chip.  The Company's CMOS processes were developed
to  address  the  specific   requirements  of  linear  circuit  functions.   The
complementary  bipolar  processes  were developed to address higher speed analog
functions.  The  Company's  basic  processes  can be  combined  with a number of
adjunct processes to create a diversity of IC components. The accompanying chart
provides a brief overview of the Company's IC process capabilities:



<PAGE>


<TABLE>
                                                PROCESS CAPABILITIES

<CAPTION>
Process Families                 Benefit/Market Advantage                        Product Application
- ----------------                 ------------------------                        -------------------
<S>                              <C>                                             <C>
P-Well SiGate CMOS               General purpose, stability                      Switches, filters, data conversion,
                                                                                 chopper amplifiers

N-Well SiGate CMOS               Speed, density, stability                       Switches, data conversion

BICMOS                           Speed, density, stability, flexibility          Data conversion

High Power Bipolar               Power (100 watts), high current                 Linear and smart power products,
                                 (10 amps)                                       switching regulators

Low Noise Bipolar                Precision, low current, low noise,              Op amps, voltage references
                                 high gain

High Speed Bipolar               Fast, wideband, video high data                 Op amps, video, comparators,
                                 rate                                            switching regulators

JFETS                            Speed, precision, low current                   Op amps, switches, sample and
                                                                                 hold

Rad - Hard                       Total dose radiation hardened                   All space products

Complementary Bipolar            Speed, low distortion, precision                Op amps, video amps, converters

CMOS/ Thin Films                 Stability, precision                            Filters, data conversion

High Voltage CMOS                High voltage general-purpose,                   Switches, chopper amplifiers
                                 compatible with Bipolar

Bipolar/Thin Films               Precision, stability, matching                  Converters, amplifiers

RF Bipolar                       High speed, low power                           RF wireless, high speed
                                                                                 data communications
</TABLE>


         The Company  emphasizes  quality and  reliability  from initial product
design through  manufacturing,  packaging and testing. The Company's design team
focuses on fault  tolerant  design and optimum  location of circuit  elements to
enhance reliability.  Linear Technology's wafer fabrication facilities have been
designed to minimize wafer handling and the impact of operator error through the
use of  microprocessor-controlled  equipment.  The Company has obtained  Defense
Supply Center,  Columbus (DSCC) qualification to participate in high reliability
JAN38510 (class B) military business.  The Company has also received Jan Class S
Microcircuit  Certification,  which enables the Company to manufacture  products
intended  for use in space or for critical  applications  where  replacement  is
extremely difficult or impossible and where reliability is imperative.

         The  Company is  certified  to comply  with the  ISO9001  international
quality standard. This certification covers the Company's design,  manufacturing
and  service  organizations  and  is an  important  standard  especially  in the
European  marketplace.   The  Company  has  received   MIL-PRF-38535   Qualified
Manufacturers Listing (QML) certification for military products from DSCC.

         Processed wafers are sent to either the Company's  assembly facility in
Penang,  Malaysia  or to offshore  independent  assembly  contractors  where the
wafers are separated into individual circuits and packaged.  The Penang facility
opened in October 1994 and services  approximately  two-thirds  of the Company's
assembly  requirements  for  plastic  packages.  The  Company  plans to build an
extension of  approximately  75,000 square feet to the Penang facility in fiscal
2000. Significant assembly subcontractors used by the Company are Carsem(M) Sdn,
Carsem Semiconductor Sdn and Unisem(M) Sdn located in Malaysia. The Company also
maintains   domestic



<PAGE>


assembly  operations to satisfy  particular  customer  requirements,  especially
those for military applications, and to provide rapid turnaround for new product
development.

         After  assembly,  most  products  are sent to the  Company's  Singapore
facility for final testing,  inspection and packaging as required. Some products
are returned to Milpitas for the same back-end processing.

         Linear  Technology from time to time has experienced  competition  from
other manufacturers seeking assembly of circuits by independent contractors. The
Company  currently  believes that alternative  foreign assembly sources could be
obtained without significant interruption.  Foreign assembly is subject to risks
normally  associated  with  foreign  operations,   including  changes  in  local
governmental  policies,  currency  fluctuations,  transportation  delays and the
imposition of export controls or increased import tariffs.

         From time to time  certain  materials,  including  silicon  wafers  and
plastic molding  compounds,  have been in short supply.  To date the Company has
experienced no delays in obtaining raw materials  which have adversely  affected
production.  As  is  typical  in  the  industry,  the  Company  must  allow  for
significant lead times in delivery of its materials.

         Manufacturing of individual  products,  from wafer fabrication  through
final  testing,  may take from ten to sixteen  weeks.  Since the Company sells a
wide  variety of device  types,  and  customers  typically  expect  delivery  of
products within a short period of time following order, the Company  maintains a
substantial work-in-process and finished goods inventory.

         Based on its anticipated production requirements,  the Company believes
it will have  sufficient  available  resources  and  manufacturing  capacity for
fiscal 2000.

Patents, licenses and trademarks

         The Company has been awarded 100 United States  patents,  and has filed
89  additional  patent  applications.  Although the Company  believes that these
patents and patent  applications  may have value,  the Company's  future success
will depend  primarily upon the technical  abilities and creative  skills of its
personnel, rather than on its patents.

         As is common in the  semiconductor  industry,  the Company has at times
been notified of claims that it may be infringing  patents issued to others.  If
it appears  necessary or  desirable,  the Company may seek  licenses  under such
patents,  although there can be no assurance that all necessary  licenses can be
obtained by the Company on acceptable terms.

         In  addition,  from time to time the Company may  negotiate  with other
companies  to license  patents,  products or process  technology  for use in its
business.

Government sales

         The Company currently has no material U.S. Government contracts.

Competition

         Linear  Technology  competes  in the high  performance  segment  of the
linear  market.  The  Company's   competitors  include  Analog  Devices,   Inc.,
Burr-Brown  Corporation,   Maxim  Integrated  Products,  inc.,  Motorola,  Inc.,
National Semiconductor Corporation and Texas Instruments, Inc. Competition among
manufacturers  of linear  integrated  circuits  is  intense,  and certain of the
Company's  competitors  may have  significantly  greater  financial,  technical,
manufacturing and marketing  resources than the Company.  The principal elements
of  competition  include  product  performance,  functional  value,  quality and
reliability, technical service and support, price, diversity of product line and
delivery  capabilities.  The Company believes it competes favorably with respect
to these factors,  although it may be at a disadvantage  in comparison to larger
companies with broader product lines and greater  technical  service and support
capabilities.



<PAGE>


Research and development

         The  Company's  ability to compete  depends in part upon its  continued
introduction  of  technologically  innovative  products  on a timely  basis.  To
facilitate this need, the Company has organized its product  development efforts
into four groups: power management,  signal conditioning,  mixed signal and high
frequency.  Linear Technology's  product development strategy emphasizes a broad
line of standard products to address a diversity of customer  applications.  The
Company's  research and development  efforts are directed primarily at designing
and introducing  new products and, to a lesser extent,  developing new processes
and advanced packaging.

         As of June 27,  1999,  the  Company  had 183  employees  engaged in new
product design at its Milpitas  facility.  In addition,  at fiscal year end, the
Company had 17 employees at its  Singapore  design  center,  21 employees at its
Boston  design  center,  12  employees  at its  Colorado  design  center,  and 7
employees at its New Hampshire design center which was opened in fiscal 1999.

         For  the  fiscal  years  1999,   1998  and  1997,   the  Company  spent
approximately $54.7 million, $46.2 million and $35.4 million,  respectively,  on
research and development.

Environmental regulation

         Federal,  state  and local  regulations  impose  various  environmental
controls on the storage,  use,  discharge and disposal of certain  chemicals and
gases used in  semiconductor  processing.  The  Company's  facilities  have been
designed to comply with these  regulations,  and the Company  believes  that its
activities  conform  to present  environmental  regulations.  Increasing  public
attention has, however,  been focused on the environmental impact of electronics
manufacturing  operations.  While the  Company to date has not  experienced  any
materially adverse business effects from environmental regulations, there can be
no assurance  that changes in such  regulations  will not require the Company to
acquire costly remediation  equipment or to incur substantial expenses to comply
with such  regulations.  Any failure by semiconductor  companies,  including the
Company, to control the storage,  use or disposal of, or adequately restrict the
discharge  of  hazardous  substances  could  also  subject  them to  significant
liabilities.

Employees

         As of June 27, 1999, the Company had 2,337 employees,  including 185 in
marketing  and sales,  509 in  research,  development  and  engineering  related
functions,  1,564  in  manufacturing  and  production,  and  79  in  management,
administration  and finance.  The Company's success depends upon a number of key
employees,  the loss of whom could  adversely  impact the  Company.  The Company
believes  that its future  success will depend in large part upon its ability to
attract,  retain and motivate highly skilled employees.  In the San Jose/Silicon
Valley area, where the Company's principal  facilities are located,  competition
for such employees is intense.

         The Company has never had a work stoppage, no employees are represented
by a labor organization,  and the Company considers its employee relations to be
good.

Executive Officers of the Registrant

         The  executive  officers of the Company,  and their ages as of June 27,
1999, are as follows:

Name                            Age      Position
- ----                            ---      --------
Robert H. Swanson, Jr...........  60     Chairman and Chief Executive Officer
Clive B. Davies.................  56     President
Paul Chantalat..................  49     Vice President Quality and Reliability
Paul Coghlan....................  54     Vice President of Finance and Chief
                                           Financial Officer
Timothy D. Cox..................  51     Vice President of North American Sales
Robert C. Dobkin................  55     Vice President of Engineering and Chief
                                           Technical Officer
Louis Di Nardo..................  40     Vice President of Marketing
Lothar Maier....................  44     Vice President and Chief Operating
                                           Officer
Hans J. Zapf....................  59     Vice President of International Sales
Arthur F. Schneiderman..........  57     Secretary



<PAGE>


         Mr.  Swanson,  a founder of the Company,  has served as Chairman of the
Board of Directors and Chief  Executive  Officer since April 1999,  and prior to
that time as President,  Chief  Executive  Officer and a director of the Company
since its incorporation in September 1981. From August 1968 to July 1981, he was
employed   in  various   positions   at   National   Semiconductor   Corporation
("National"),  a manufacturer of integrated  circuits,  including Vice President
and General  Manager of the Linear  Integrated  Circuit  Operation  and Managing
Director in Europe.  Mr. Swanson has a BS degree in Industrial  Engineering from
Northeastern University.

         Dr.  Davies has  served as  President  since  April  1999,  and as Vice
President and Chief Operating Officer from January 1989 to April 1999. From July
1982 to January 1989, Dr. Davies held the position of Vice President of Quality,
Reliability and Customer Service.  From April 1971 to July 1982, he was employed
in  various  positions  at  National,  including  Group  Director  for  Advanced
Technology, Group Managing Director of the Singapore and Hong Kong Manufacturing
Operations  and  Business  Director  of  Standard  Linear   Integrated   Circuit
Operations.  Dr. Davies received a B.Sc. (Honors) in Physics in 1964 and a Ph.D.
in Physics in 1967 from the University of Reading, England.

         Mr.  Chantalat has served as Vice President of Quality and  Reliability
since  July  1991.  From  January  1989 to July 1991,  he held the  position  of
Director of Quality and Reliability.  From July 1983 to January 1989 he held the
position of Manager of Quality and Reliability. From February 1976 to July 1983,
he was employed in various positions at National, where his most recent position
was Group Manager of Manufacturing Quality Engineering. Mr. Chantalat received a
BS and an MS in  Electrical  Engineering  from  Stanford  University in 1970 and
1972, respectively.

         Mr. Coghlan has served as Vice President of Finance and Chief Financial
Officer of the Company since December 1986.  From October 1981 until joining the
Company, he was employed in various positions at GenRad, Inc., a manufacturer of
automated test  equipment,  including  Corporate  Controller,  Vice President of
Corporate  Quality and most recently Vice  President and General  Manager of the
Structural Test Products Division.  Before joining GenRad, Inc., Mr. Coghlan was
associated  with Price  Waterhouse  & Company  in the  United  States and Paris,
France for twelve years.  Mr. Coghlan  received a BA from Boston College in 1966
and an MBA from Babson College in 1968.

         Mr. Cox has served as Vice President of North American Sales since July
1991.  From  February  1991 to July 1991 he held the  position  of  Director  of
National Sales. From January 1990 to February 1991, and February 1983 to October
1987 he was employed at National where his most recent  position was Director of
Northwestern  Sales.  From October 1987 to June 1989,  he was Vice  President of
Sales for Micro Linear.  Prior to 1983,  Mr. Cox was employed for seven years as
Vice  President & Principal  of Micro Sales Inc. Mr. Cox received a BSEE in 1970
from Valparaiso Technical Institute, Valparaiso, Indiana.

         Mr. Dobkin,  a founder of the Company,  has served as Vice President of
Engineering and Chief Technical  Officer since April 1999, and as Vice President
of  Engineering  from  September  1981 to April 1999.  From January 1969 to July
1981,  he was employed in various  positions at National,  where his most recent
position was Director of Advanced Circuit Development.  Mr. Dobkin has extensive
experience  in linear  circuit  design.  Mr. Dobkin  attended the  Massachusetts
Institute of Technology.

         Mr. Maier joined the Company as Chief Operating  Officer in April 1999.
From 1983 to 1999,  he was  employed  at Cypress  Semiconductor  Corporation  in
various  management  positions,  mostly  recently as Senior Vice  President  and
Executive  Vice  President of Worldwide  Operations.  Mr. Maier received a BS in
Chemical Engineering in 1978 from the University of California at Berkeley.

         Mr. Di Nardo has served as Vice  President of Marketing  since  January
1997. Prior to this appointment he held the position of Manager of North America
Distribution since 1992.  Previously he held several management positions in the
northeastern United States since joining the Company in 1988. From 1981 to 1988,
Mr. Di Nardo held several sales management  positions in the mid-Atlantic states
area with Analog Devices,  Inc. Mr. Di Nardo received a B.S. degree from Ursinus
College, Pennsylvania in 1981.

         Mr. Zapf has served as Vice President of International Sales since July
1991.  From June 1982 to July 1991, he was Director of  International  Marketing
and  Sales.  From  September  1972 to June  1982,  Mr.  Zapf was  with  Teledyne
Semiconductor  where he held  several  management  positions  in Europe  and the
United  States  including  Vice  President  of  Marketing  and  Sales.  Prior to
September  1972, Mr. Zapf worked as a designer for Brown Boveri in  Switzerland.
Mr. Zapf holds an MSEE degree from Zurich University.



<PAGE>


         Mr. Schneiderman has served as Secretary of the Company since September
1981.  He is an  attorney  and a  member  of the law  firm of  Wilson,  Sonsini,
Goodrich & Rosati, Professional Corporation, general counsel to the Company.


Item 2. Properties

         In  Milpitas,  California,  the  Company  owns the land and a  building
totaling   approximately  41,000  square  feet  used  for  its  four-inch  wafer
fabrication lines and adjunct support services, and owns the land and a building
totaling  approximately 70,000 square feet used for its worldwide  headquarters.
The Company leases two other  buildings in the same business  complex:  a 42,000
square foot building used primarily for engineering and prototype testing of new
products,  and a 60,000 square foot building used  primarily for circuit  design
activities.  During  fiscal  1999,  the Company  purchased a 96,000  square foot
building  near its existing  facilities in Milpitas,  California.  This building
will be converted  to a new  six-inch  wafer  fabrication  plant  expected to be
completed in fiscal 2000, with production commencing during fiscal 2001.

         The Company  occupies a 72,000  square foot  manufacturing  facility in
Singapore.  Test and packaging  operations  are performed at this facility along
with certain design and product distribution activity. The Company has a 30-year
lease on the land where the plant is located  that  commenced  in 1994,  with an
option to extend for an additional 30 years.

         In 1994,  the Company  opened a 55,000  square foot  assembly  plant in
Penang,  Malaysia.  The Company has a 60-year  lease on the land where the plant
was  constructed.  In fiscal 1999,  the Company  purchased a 23,400  square foot
building  adjacent to its existing  facility.  The Company plans to demolish the
recently  acquired  building,  and build a 75,000  square foot  extension to its
existing facility on the site.

         During  fiscal 1996,  the Company  completed  construction  of a 60,000
square foot facility on land it owns in Camas, Washington. This facility is used
to  fabricate  six-inch  wafers.  Manufacturing  operations  commenced  at  this
facility in the second half of fiscal 1997.  In fiscal 1999,  the Company  added
40,000 square feet to this facility for future expansion.

         The Company  leases  design  facilities  located in  Colorado  Springs,
Colorado and Bedford, New Hampshire.  In fiscal 1999, the Company purchased land
in the Boston  metropolitan  area and constructed a new 20,000 square foot sales
and  design   center.   The  Company  leases  sales  offices  in  the  areas  of
Philadelphia,  Raleigh, Chicago, Dallas, Austin, Houston, San Jose, Los Angeles,
Irvine, London, Stockholm,  Dusseldorf,  Munich, Stuttgart, Paris, Tokyo, Osaka,
Taipei,  Seoul  and Hong  Kong.  See Note 3 of Notes to  Consolidated  Financial
Statements  incorporated  by  reference  to Exhibit 13.1 of this Form 10-K which
contains  certain  information  included in the Company's  1999 Annual Report to
Shareholders.


Item 3. Legal Proceedings

         The  Company  is  involved  in  various  legal  actions  arising in the
ordinary course of business. While the outcome of such matters is uncertain, the
Company  believes that these matters will not have a material  adverse effect on
the Company's financial condition or results of operations.


Item 4. Submission of Matter to a Vote of Security Holders

         Not applicable.



<PAGE>


                                     PART II

Item 5.  Market  for the  Registrant's  Common  Equity and  Related  Stockholder
         Matters

         The  information  required by the Item is  incorporated by reference to
the section entitled  "Quarterly  Results and Stock Market Data" of Exhibit 13.1
to  this  Form  10-K  which  contains  certain   information   included  in  the
Registrant's 1999 Annual Report to Shareholders.


Item 6. Selected Financial Data

         The  information  required by the Item is  incorporated by reference to
the section entitled "Selected Financial Information/Five-Year Trend" of Exhibit
13.1 to this  Form 10-K  which  contains  certain  information  included  in the
Registrant's 1999 Annual Report to Shareholders.


Item 7. Management's  Discussion and Analysis of Financial Condition and Results
        of Operations

         The  information  required by the Item is  incorporated by reference to
the  section  entitled  "Management's  Discussion  and  Analysis  of  Results of
Operations  and  Financial  Condition"  of Exhibit  13.1 to this Form 10-K which
contains certain information  included in the Registrant's 1999 Annual Report to
Shareholders.


Item 7A. Quantitative and Qualitative Disclosures about Market Risk

         The  information  required by the Item is  incorporated by reference to
the  section  entitled  "Management's  Discussion  and  Analysis  of  Results of
Operations  and  Financial  Condition"  of Exhibit  13.1 to this Form 10-K which
contains certain information  included in the Registrant's 1999 Annual Report to
Shareholders.


Item 8. Financial Statements and Supplementary Data

         Consolidated Financial Statements of Linear Technology at June 27, 1999
and June 28, 1998 and for each of the three  years in the period  ended June 27,
1999,  the  report  of Ernst & Young  LLP,  independent  auditors,  thereon  and
unaudited  quarterly  financial data for the two year period ended June 27, 1999
are  incorporated  by reference to Exhibit 13.1 of this Form 10-K which contains
certain  information   included  in  the  Registrant's  1999  Annual  Report  to
Shareholders.


Item  9.  Changes  in and  Disagreements  with  Accountants  on  Accounting  and
          Financial Disclosure

         Not applicable.



<PAGE>


                                    PART III

Item 10. Directors and Executive Officers of the Registrant

         The  information  required by this item for the Company's  directors is
incorporated  by  reference  to the 1999  Proxy  Statement,  under  the  caption
"Election of  Directors,"  and for the  executive  officers of the Company,  the
information is included in Part I hereof under the caption  "Executive  Officers
of the Registrant."


Item 11. Executive Compensation

         Incorporated  by  reference  to the 1999 Proxy  Statement,  the section
titled "Executive Officer Compensation."


Item 12. Security Ownership of Certain Beneficial Owners and Management

         Incorporated  by  reference  to the 1999 Proxy  Statement,  the section
titled  "Record Date and Voting  Securities"  and the section  titled  "Security
Ownership."


Item 13. Certain Relationships and Related Transactions

         Not applicable.


<PAGE>


                                     PART IV

Item 14.  Exhibits, Financial Statements, Schedules, and Reports on Form 8-K

(a)  1.   Financial Statements

                  The financial  statements listed in the accompanying  Index to
         Consolidated  Financial  Statements  are  filed as part of this  Annual
         Report.

     2.   Schedules

                  The financial statement schedule listed in Item 14(d) is filed
as part of this Annual Report.

                  All other schedules are omitted since the information required
         by  the  schedule  is not  applicable,  or is not  present  in  amounts
         sufficient  to require  submission  of the  schedule,  or  because  the
         information   required  is  included  in  the  Consolidated   Financial
         Statements and notes thereto.

     3.   Exhibits

                  The  exhibits  listed in Item  14(c) are filed as part of this
         Annual  Report.  Each  compensatory  plan required to be filed has been
         indicated in Item 14(c).

(b) Reports on Form 8-K.

         None

(c)   Exhibits

3.1      Articles of Incorporation of Registrant, as amended.(1)

3.3      Bylaws of Registrant, as amended.(3)

10.1     1981 Incentive Stock Option Plan, as amended,  and form of Stock Option
         Agreements,   as   amended   (including   Restricted   Stock   Purchase
         Agreement).(*)(5)

10.11    Agreement   to  Build  and  Lease   dated   January  8,  1986   between
         Callahan-Pentz Properties, McCarthy Six and the Registrant.(2)

10.25    1986 Employee Stock Purchase Plan, as amended, and form of Subscription
         Agreement.(*)(4)

10.35    1988 Stock Option  Plan,  as amended,  form of  Incentive  Stock Option
         Agreement, as amended, and form of Nonstatutory Stock Option Agreement,
         as amended.(*)(8)

10.36    Form of Indemnification Agreement.(3)

10.45    Land  lease  dated  March  30,  1993  between  the  Registrant  and the
         Singapore Housing and Development Board.(6)

10.46    Land lease dated  November  20, 1993  between  the  Registrant  and the
         Penang Development Corporation.(7)

10.47    1996  Incentive  Stock  Option  Plan,  form of  Incentive  Stock Option
         Agreement and form of Nonstatutory Stock Option Agreement.(*)(10)

10.48    1996 Senior Executive Bonus Plan.(*)(9)

13.1     Certain  information  included  in the  Registrant's  Annual  Report to
         Shareholders for the fiscal year ended June 27, 1999.

21.1     Subsidiaries of Registrant.



<PAGE>


23.1     Consent of Ernst & Young LLP, Independent Auditors. (see page 21)

24.1     Power of Attorney. (see page 18)

27.1     Financial Data Schedule for the year ended June 27, 1999


(d) Financial Statement Schedule filed as a part of this Annual Report is listed
below:


Schedule
Number                                  Description
- ------                                  -----------
II                                      Valuation and qualifying accounts.


- --------------------------------------------------------------------------------


(Footnotes to Item 14 (c))

(*)      The item listed is a compensatory plan of the Company.

(1)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response to Item 14(a)(3) "Exhibits," of the Company's Annual Report on
         Form 10-K for the fiscal year ended July 2, 1995.

(2)      Incorporated  by reference to  identically  numbered  exhibits filed in
         response to Item 16(a),  "Exhibits," of the  Registrant's  Registration
         Statement on Form S-1 and  Amendment  No. 1 and Amendment No. 2 thereto
         (File No. 33-4766), which became effective on May 28, 1986.

(3)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response  to  Item 6,  "Exhibits  and  Reports  on  Form  8-K,"  of the
         Registrant's  Quarterly  Report  on Form  10-Q  for the  quarter  ended
         October 2, 1988.

(4)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response  to  Item 6,  "Exhibits  and  Reports  on  Form  8-K,"  of the
         Registrant's  Quarterly  Report  on Form  10-Q  for the  quarter  ended
         December 28, 1997.

(5)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response  to  Item 6,  "Exhibits  and  Reports  on  Form  8-K,"  of the
         Registrant's  Quarterly  Report  on Form  10-Q  for the  quarter  ended
         December 30, 1990.

(6)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response to Item 14(a)(3) "Exhibits," of the Registrant's Annual Report
         on Form 10-K for the fiscal year ended June 27, 1993.

(7)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response to Item 14(a)(3) "Exhibits," of the Registrant's Annual Report
         on Form 10-K for the fiscal year ended July 3, 1994.

(8)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response  to  Item 6,  "Exhibits  and  Reports  on  Form  8-K,"  of the
         Registrant's  Quarterly  Report  on Form  10-Q  for the  quarter  ended
         October 2, 1994.

(9)      Incorporated  by reference to  identically  numbered  exhibit  filed in
         response  to  Item 6,  "Exhibits  and  Reports  on  Form  8-K,"  of the
         Registrant's  Quarterly  Report  on Form  10-Q  for the  quarter  ended
         December 29, 1996.

(10)     Incorporated  by reference to Exhibits 4.1 and 4.2 of the  Registrant's
         Registration  Statement on Form S-8 filed with the  Commission  on July
         30, 1999.



<PAGE>


                          LINEAR TECHNOLOGY CORPORATION

                   INDEX TO CONSOLIDATED FINANCIAL STATEMENTS
                                  (Item 14(a)1)


                                                               Page Reference to
                                                               Exhibit 13.1

Consolidated balance sheets at June 27, 1999 and June 28, 1998     E13.1-7

Consolidated statements of income for each of the three
years in the period ended June 27, 1999                            E13.1-6

Consolidated statements of shareholders' equity for each of
the three years in the period ended June 27, 1999                  E13.1-9

Consolidated statements of cash flows for each of the three
years in the period ended June 27, 1999                            E13.1-8

Notes to consolidated financial statements                         E13.1-10 to
                                                                   E13.1-15

Report of Ernst & Young LLP, independent auditors                  E13.1-16

         The  Consolidated  Financial  Statements  listed in the above index are
hereby  incorporated  by  reference  to  Exhibit  13.1 of this Form  10-K  which
contains  certain  information  included in the  Registrant's  Annual  Report to
Shareholders for the year ended June 27, 1999.



<PAGE>


                                   SIGNATURES

         Pursuant to the  requirements of Section 13 or 15 (d) of the Securities
Exchange Act of 1934,  the  registrant  has duly caused this Annual Report to be
signed on its behalf by the undersigned, thereunto duly authorized.


                          LINEAR TECHNOLOGY CORPORATION
                          -----------------------------
                                  (Registrant)

                         By: /s/ Robert H. Swanson, Jr.
                         ------------------------------
                             Robert H. Swanson, Jr.
                            Chairman of the Board and
                             Chief Executive Officer
                               September 24, 1999


                                POWER OF ATTORNEY

         Know all persons by these  presents,  that each person whose  signature
appears below constitutes and appoints Robert H. Swanson,  Jr. and Paul Coghlan,
jointly  and  severally,   his   attorneys-in-fact,   each  with  the  power  of
substitution,  for him in any and all capacities, to sign any amendments to this
Report on Form  10-K,  and to file the same,  with  exhibits  thereto  and other
documents in connection therewith,  with the Securities and Exchange Commission,
hereby ratifying and confirming all that each of said attorneys-in-fact,  or his
substitute or substitutes, may do or cause to be done by virtue hereof.

         Pursuant to the  requirements  of the Securities  Exchange Act of 1934,
this  report has been  signed  below by the  following  persons on behalf of the
registrant and in the capacities and on the dates indicated.


/s/ Robert H. Swanson, Jr.            /s/ Paul Coghlan
- --------------------------            -----------------
Robert H. Swanson, Jr.                Paul Coghlan
Chairman of the Board and             Vice President of Finance and Chief
Chief Executive Officer               Financial Officer (Principal Financial
(Principal Executive Officer)         Officer and Principal Accounting Officer)
September 24, 1999                    September 24, 1999

/s/ David S. Lee                      /s/ Thomas S. Volpe
- -----------------                     -------------------
David S. Lee                          Thomas S. Volpe
Director                              Director
September 24, 1999                    September 24, 1999

/s/ Leo T. McCarthy                   /s/ Richard M. Moley
- -------------------                   --------------------
Leo T. McCarthy                       Richard M. Moley
Director                              Director
September 24, 1999                    September 24, 1999


<PAGE>


<TABLE>
                                                                                                                         SCHEDULE II

                                                    LINEAR TECHNOLOGY CORPORATION

                                                  VALUATION AND QUALIFYING ACCOUNTS
                                                       (Dollars in thousands)

<CAPTION>
                                                                                     Additions
                                                                  Balance at         Charged to                           Balance at
                                                                  Beginning          Costs and                              End of
                                                                  of Period           Expenses          Deductions(1)       Period
                                                                  ---------           --------          -------------       ------
Allowance for doubtful accounts:

<S>                                                                  <C>                <C>                 <C>              <C>
Year ended June 29, 1997 .............................               $776               $  30               $   3            $803
                                                                     ====               =====               =====            ====

Year ended June 28, 1998 .............................               $803               $--                 $--              $803
                                                                     ====               =====               =====            ====

Year ended June 27, 1999 .............................               $803               $--                 $--              $803
                                                                     ====               =====               =====            ====

<FN>
                                                (1) Write-offs of doubtful accounts.
</FN>
</TABLE>





EXHIBIT 13.1

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                               QUARTERLY RESULTS AND STOCK MARKET DATA
                                                             (UNAUDITED)

<CAPTION>
In thousands, except per share amounts
- ------------------------------------------------------------------------------------------------------------------------------------

Fiscal 1999
Quarter Ended                                         June 27, 1999        March 28, 1999         Dec. 27, 1998       Sept. 27, 1998
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                    <C>                  <C>                   <C>                   <C>
Net sales                                              $   140,524          $    130,093          $    120,020          $    116,032
Gross profit                                               104,037                94,450                85,991                82,370
Net income                                                  54,179                49,828                45,904                44,382
Diluted earnings per share                                    0.34                  0.31                  0.29                  0.28
Cash dividends per share                                      0.04                 0.035                 0.035                 0.035
Stock price range per share:
   High                                                      65.69                 52.38                 42.09                 38.00
   Low                                                       51.25                 41.25                 20.50                 23.50
- ------------------------------------------------------------------------------------------------------------------------------------



Fiscal 1998
Quarter Ended                                          June 28, 1998        March 29, 1998        Dec. 28, 1997       Sept. 28, 1997
- ------------------------------------------------------------------------------------------------------------------------------------
Net sales                                              $   132,011          $    125,982          $    117,004          $    109,802
Gross profit                                                95,186                90,058                83,358                78,418
Net income                                                  49,503                47,174                43,582                40,643
Diluted earnings per share                                    0.31                  0.30                  0.27                  0.25
Cash dividends per share                                      0.03                  0.03                  0.03                  0.03
Stock price range per share:
   High                                                      40.25                 39.13                 36.44                 37.07
   Low                                                       29.38                 25.97                 26.35                 25.88
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>


Diluted  earnings  per share  amounts are based on the weighted  average  common
shares and dilutive stock options outstanding during the quarter and may not add
to  diluted  earnings  per share for the year.  All share and per share  amounts
reflect the Company's two-for-one stock split in February 1999.

The  stock  activity  in the  above  table is based on the high and low  closing
prices. These prices represent quotations between dealers without adjustment for
retail  markups,  markdowns  or  commissions,   and  may  not  represent  actual
transactions. The Company's common stock is traded on the NASDAQ National market
System under the symbol LLTC.

At June 27, 1999, there were approximately 1,281 shareholders of record.


<PAGE>


EXHIBIT 13.1-2

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                           SELECTED FINANCIAL INFORMATION/FIVE-YEAR TREND

<CAPTION>
In thousands, except per share amounts
- ------------------------------------------------------------------------------------------------------------------------------------

FIVE FISCAL YEARS ENDED JUNE 27, 1999                            1999           1998           1997           1996           1995
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                           <C>            <C>            <C>            <C>            <C>
Income statement information
Net sales                                                     $  506,669     $  484,799     $  379,251     $  377,771     $  265,023
Net income                                                       194,293        180,902        134,371        133,964         84,696
Basic earnings per share                                            1.28           1.19           0.90           0.90           0.58
Diluted earnings per share                                          1.22           1.13           0.86           0.86           0.55
Weighted average shares outstanding - Basic                      152,020        152,636        149,976        148,380        146,204
Weighted average shares outstanding - Diluted                    158,944        159,939        157,090        155,776        152,656

Balance sheet information
Cash, cash equivalents and short-term
investments                                                   $  786,707     $  637,893     $  443,439     $  322,472     $  250,222
Total assets                                                   1,046,914        892,822        679,633        529,802        367,553
Long-term debt                                                      --             --             --             --             --

Cash dividends per share                                      $    0.145     $     0.12     $     0.10     $     0.08     $     0.07

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

All share and per share amounts reflect the Company's two-for-one stock split in
February 1999.


<PAGE>


EXHIBIT 13.1-3

                          LINEAR TECHNOLOGY CORPORATION
                      MANAGEMENT'S DISCUSSION AND ANALYSIS
                OF RESULTS OF OPERATIONS AND FINANCIAL CONDITION

Results of Operations

<TABLE>
The table below states the income  statement  items as a percentage of net sales
and provides the  percentage  change of such items  compared to the prior fiscal
year amount.

<CAPTION>
                                                                                                              Percentage
                                                               Fiscal Year Ended                                Change
                                                  -------------------------------------------           -----------------------

                                                                                                        1999              1998
                                                  June 27,         June 28,          June 29,           Over              Over
                                                    1999              1998             1997             1998              1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                  <C>              <C>               <C>                <C>              <C>
Net sales                                            100.0%           100.0%            100.0%             5%               28%
Cost of sales                                         27.6             28.4              28.9              1                26
- -------------------------------------------------------------------------------------------------
         Gross profit                                 72.4             71.6              71.1              6                29
- -------------------------------------------------------------------------------------------------
Expenses:
         Research and development                     10.8              9.5               9.3             18                30
         Selling, general and administrative          10.7             11.0              12.1              2                17
- -------------------------------------------------------------------------------------------------
                                                      21.5             20.5              21.4              9                23
- -------------------------------------------------------------------------------------------------
         Operating income                             50.9             51.1              49.7              4                31
- -------------------------------------------------------------------------------------------------
Interest income                                        5.5              4.9               4.2             17                47
- -------------------------------------------------------------------------------------------------
Income before income taxes                            56.4%            56.0%             53.9%             5                33
- -------------------------------------------------------------------------------------------------
Effective tax rates                                   32.0%            33.3%             34.3%
- ------------------------------------------------------------------------------------------------------------------------------------
</TABLE>


Net sales were a record  $506.7  million in fiscal 1999,  an increase of 5% over
net sales of  $484.8  million  in fiscal  1998.  The  increase  in net sales was
primarily due to an increase in unit shipments,  while the average selling price
for the Company's  products declined  slightly during the year.  Geographically,
international  sales  represented  54% of net sales, up from 52% in fiscal 1998.
International sales to Europe,  Japan and the Rest of the World represented 24%,
12%  and  18% of net  sales,  respectively.  In  absolute  dollars,  sales  were
relatively  flat year over year in the United States,  declined by 5% in Europe,
increased by 2% in Japan, and increased  significantly by 39% in the Rest of the
World.  The  increase in the Rest of the World was due  primarily to the overall
economic  environment in Asia, which improved  throughout the year, after having
declined  significantly  during the first quarter of fiscal 1999.  The Company's
major end-markets are  communications,  computer and industrial.  Sales into the
communications end-market increased during the year whereas sales into the other
areas were relatively unchanged.

Net sales were $484.8  million in fiscal 1998, an increase of 28% over net sales
of $379.3 million in fiscal 1997. The increase in net sales was primarily due to
an increase in unit shipments, while the average selling price for the Company's
products declined slightly during the year. The Company experienced strong sales
growth in each of its major end-markets. International sales represented 52% and
49% of net  sales in  fiscal  1998  and  1997,  respectively.  The  increase  in
international  sales was due primarily to a strong  European  market where sales
increased 38% over the prior year.  Sales to Japan and Rest of World,  primarily
Pacific Rim  countries,  increased 24% and 37%,  respectively,  over fiscal 1997
despite the economic and financial  difficulties  experienced by Japan and other
countries in this region.

Gross  profit  was  $366.8  million  or 72.4% of net sales in fiscal  1999.  The
increase in gross profit as a percentage of sales as compared to 71.6% in fiscal
1998 was due primarily to the favorable effect of fixed costs allocated across a
higher  sales base and slightly  better  manufacturing  efficiencies  and yields
achieved at the  Company's  fabrication,  assembly  and test  facilities.  These
improvements  were  partially  offset by a modest  reduction in average  selling
price.

Gross profit was $347.0 million or 71.6% of net sales in fiscal 1998 compared to
$269.5  million or 71.1% of net sales in fiscal  1997.  The slight  increase  in
gross profit as a percentage  of sales was due  primarily to the  absorption  of
fixed costs over a larger sales base, lower costs from favorable  exchange rates
and  manufacturing  efficiencies.  This was partially  offset by slightly  lower
average selling prices, a change in product mix and higher costs associated with
the ramp-up of the Company's newer fabrication facility in Camas, Washington.

Research and development ("R&D") expenses were $54.7 million,  $46.2 million and
$35.4 million in fiscal 1999, 1998 and 1997,  respectively,  or 10.8%,  9.5% and
9.3% of net sales, respectively.  The increase in R&D expenses in fiscal 1999 as
compared to 1998 was due  primarily  to an increase  in  staffing,  particularly
design and test  engineering  personnel,  which resulted in higher  compensation
costs.  In addition,  development  costs in new product areas and an increase in
patent  related  expenses  contributed  to the  increase  in R&D  expenses.  The
increase in R&D expenses in fiscal 1998 as compared to 1997 was due primarily to
an increase in staffing,  particularly design engineering personnel, an increase
in spending for  development  mask sets and the addition of a new design center.


<PAGE>


EXHIBIT 13.1-4

Selling,  general and administrative ("SG&A") expenses were $54.3 million, $53.3
million and $45.7 million in fiscal 1999, 1998 and 1997, respectively, or 10.7%,
11.0% and 12.1% of net sales, respectively. The slight increase in SG&A expenses
in fiscal 1999 as compared to 1998 resulted  from the  Company's  move towards a
direct  sales  force in  certain  domestic  regions,  which  resulted  in higher
compensation  costs,  and  increased  marketing  expenses.  The  effect of these
increases was offset  partially by lower external  commissions.  The increase in
SG&A  expenses  in  fiscal  1998 as  compared  to 1997 was due  primarily  to an
increase in staffing,  particularly sales personnel,  an increase in commissions
and profit sharing costs and higher legal costs.

Interest income  increased 17% in fiscal 1999 to $27.8 million and increased 47%
in fiscal 1998 to $23.7 million from $16.1 million in fiscal 1997. The year over
year increases  were due primarily to the  significant  increases in cash,  cash
equivalents  and  short-term  investments  which grew $148.8  million and $194.5
million in fiscal  1999 and 1998,  respectively.  The Company  also  repurchased
$108.7  million and $56.4  million of its common  stock  during  fiscal 1999 and
1998,  respectively.  The  increase  in  interest  income  in  fiscal  1999  was
proportionately  less than the overall  increase in cash,  cash  equivalents and
short-term  investments,  due  to a  decrease  in  interest  rates  in  domestic
financial markets.

The Company's effective tax rate was 32.0%, 33.3% and 34.3% in fiscal 1999, 1998
and 1997, respectively.  The lower tax rates in fiscal 1999 and 1998 were due to
higher  business  activity  in  foreign  jurisdictions,  an  increase  in assets
employed  outside of California  where the Company  experiences  lower state tax
rates, and an increase in tax-exempt income.

Factors Affecting Future Operating Results

Except for historical  information  contained  herein,  the matters set forth in
this Annual Report,  including the statements in the following  paragraphs,  are
forward-looking statements that are dependent on certain risks and uncertainties
including such factors,  among others, as the timing,  volume and pricing of new
orders  received  and  shipped  during  the  quarter,   timely  ramp-up  of  new
facilities,  the timely  introduction  of new processes  and  products,  general
conditions in the world  economy,  the market for the Company's  goods and other
factors as described below.

During fiscal 1997, the Company received an extension of its tax holiday for its
Singapore  operations  through  September  1999.  The  Company has applied for a
second  extension of its Singapore  tax holiday;  it expects but has not assumed
that an extension will be granted.  An increase in business  activity and assets
employed  outside of California  and an increase in tax-exempt  interest  income
resulted  in a lower  effective  tax rate in fiscal  1999 as  compared to fiscal
1998. The Company currently expects its effective tax rate for fiscal 2000 to be
approximately  32.0%;  however,  the rate may  decline to the 31.0% range if the
Company receives an extension of its Singapore tax holiday.

The  Company  plans to finish  building  a new  wafer  fabrication  facility  in
California in late fiscal 2000.  As a result,  total  capital  expenditures  are
expected to increase significantly over fiscal 1999 levels, particularly towards
the end of fiscal  2000.  The new  facility  is planned to be in  production  in
fiscal 2001, at which time depreciation will commence.

Past  performance  of  the  Company  may  not  be a  good  indicator  of  future
performance  due  to  factors  affecting  the  Company,  its  competitors,   the
semiconductor  industry and the overall economy.  The semiconductor  industry is
characterized  by rapid  technological  change,  price erosion,  cyclical market
patterns,  periodic oversupply  conditions,  occasional  shortages of materials,
capacity  constraints,  variation in manufacturing  efficiencies and significant
expenditures for capital  equipment and product  development.  Furthermore,  new
product  introductions  and patent  protection of existing products are critical
factors for future sales growth and sustained profitability.

Although  the  Company  believes  that it has the product  lines,  manufacturing
facilities  and technical and  financial  resources for its current  operations,
sales and  profitability  can be  significantly  affected by the above and other
factors.   Additionally,   the  Company's  common  stock  could  be  subject  to
significant   price  volatility  should  sales  and/or  earnings  fail  to  meet
expectations of the investment community. Furthermore, stocks of high technology
companies  are subject to extreme price and volume  fluctuations  that are often
unrelated or disproportionate to the operating performance of these companies.

Liquidity and Capital Resources

At June 27, 1999,  cash,  cash  equivalents and short-term  investments  totaled
$786.7  million,  an  increase  of  $148.8  million  or 23.3%  over  cash,  cash
equivalents  and  short-term  investments of $637.9 million at the end of fiscal
1998.

The issuance of common stock under stock option plans  provided $87.4 million in
proceeds and tax benefits in fiscal 1999 as compared to $60.7  million in fiscal
1998.  The proceeds  from stock  issuances  increased by $11.7 million in fiscal
1999 due to  increases  in the  number  of  options  exercised  and the  average
exercise  price.  The tax benefit  from stock option  transactions  increased by
$15.0 million in fiscal 1999 due to increases in the number of options exercised
and the taxable gains on exercises  resulting  from higher market prices for the
Company's  stock.  generally,  the Company receives a tax deduction for the gain
the  employee  recognizes  on the  exercise of a  nonqualified  stock option and
records  this tax  benefit as an increase  in common  stock and a  reduction  in
current  income  taxes  payable.  During  fiscal  1999,  the  Company  purchased
4,015,000 shares of its common stock on the open market for $108.7 million.

The  Company's  capital  expenditures  in  fiscal  1999  totaled  $39.1  million
primarily  for the  purchase  of  machinery  and  equipment  for  the  Company's
fabrication, test and assembly facilities.



<PAGE>


EXHIBIT 13.1-5

Cash  dividends  of $0.145 per share  totaling  $22.1  million  were paid by the
Company in fiscal 1999 as compared to $0.12 per share  totaling $18.3 million in
fiscal 1998. In April 1999, the Company's Board of Directors  announced that the
quarterly  cash dividend was increased to $0.04 per share from $0.035 per share.
Future dividends will be based on quarterly financial performance.

The Company's cash equivalents and short-term  investments are subject to market
risk,  primarily  interest-rate  and credit risk. The Company's  investments are
managed by outside professional managers within investment guidelines set by the
Company.  Such guidelines include security type, credit quality and maturity and
are intended to limit market risk by  restricting  the Company's  investments to
high quality debt instruments with relatively short-term maturities.  Based upon
the weighted average  duration of the Company's  investments at June 27, 1999, a
hypothetical 100 basis point increase in short-term  interest rates would result
in an  unrealized  loss in market value of the  Company's  investments  totaling
approximately $6.8 million.  However,  because the Company's debt securities are
classified  as  available-for-sale,  no gains or losses  are  recognized  by the
Company due to changes in interest  rates unless such  securities are sold prior
to maturity.  The Company  generally holds securities until maturity and carries
the securities at amortized cost which approximates fair market value.

At the end of fiscal 1999,  working  capital was $779.8  million and the Company
had no  long-term  debt.  For the past several  years the Company has  generally
satisfied its liquidity  needs through cash  generated  from  operations and its
existing cash and investment balances.  Given its strong financial condition and
performance,  the Company plans to continue to finance its capital needs through
these internal sources for the foreseeable future.

Year 2000 Readiness Disclosure

The Company's Year 2000 Readiness  Program  remains on plan and at this time the
Company does not foresee any problems  which would hinder its ability to service
customers  and vendors in calendar  year 2000.  As of date of this  filing,  the
Company has substantially  completed its Year 2000 Readiness Program, and senior
management  continues to review progress of the remaining  action items at least
monthly.

The Company estimates the cost of implementation for Year 2000 compliance of its
internal computer systems to be under $1.5 million,  and consequently,  will not
have a  material  impact on the  Company's  financial  position  or  results  of
operations.  However,  Year 2000 issues could have a  significant  impact on the
Company's operations and its financial results if the remaining modifications to
internal systems and equipment cannot be completed on a timely basis; unforeseen
needs or problems  arise,  or if the systems  operated by third  parties are not
year 2000 compliant.  Should any of these  unforeseen  events occur, the Company
will  attempt to  mitigate  their  adverse  impacts.  The  Company is  currently
reviewing  contingency  plans  including,  but not  limited to,  manual  back-up
systems for current automated  internal systems and alternate  suppliers,  where
available, for external systems and services.


<PAGE>


EXHIBIT 13.1-6

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                                  CONSOLIDATED STATEMENTS OF INCOME

<CAPTION>
In thousands, except per share amounts
====================================================================================================================================
THREE YEARS ENDED JUNE 27, 1999                                                   1999                  1998                  1997
- ------------------------------------------------------------------------------------------------------------------------------------
<S>                                                                             <C>                   <C>                   <C>
Net sales                                                                       $506,669              $484,799              $379,251
- ------------------------------------------------------------------------------------------------------------------------------------
Cost of sales                                                                    139,821               137,779               109,748
   Gross profit                                                                  366,848               347,020               269,503
- ------------------------------------------------------------------------------------------------------------------------------------
Expenses:
   Research and development                                                       54,662                46,198                35,401
   Selling, general and administrative                                            54,260                53,275                45,670
- ------------------------------------------------------------------------------------------------------------------------------------
                                                                                 108,922                99,473                81,071
- ------------------------------------------------------------------------------------------------------------------------------------
   Operating income                                                              257,926               247,547               188,432
- ------------------------------------------------------------------------------------------------------------------------------------
Interest income                                                                   27,801                23,710                16,090
- ------------------------------------------------------------------------------------------------------------------------------------
Income before income taxes                                                       285,727               271,257               204,522
- ------------------------------------------------------------------------------------------------------------------------------------
Provision for income taxes                                                        91,434                90,355                70,151
- ------------------------------------------------------------------------------------------------------------------------------------
Net income                                                                      $194,293              $180,902              $134,371
====================================================================================================================================

- ------------------------------------------------------------------------------------------------------------------------------------
Earnings per share:
- ------------------------------------------------------------------------------------------------------------------------------------
    Basic                                                                       $   1.28              $   1.19              $   0.90
- ------------------------------------------------------------------------------------------------------------------------------------
    Diluted                                                                     $   1.22              $   1.13              $   0.86
- ------------------------------------------------------------------------------------------------------------------------------------
Weighted average shares outstanding:
    Basic                                                                        152,020               152,636               149,976
    Diluted                                                                      158,944               159,939               157,090

Cash dividends per share                                                        $  0.145              $   0.12              $   0.10
- ------------------------------------------------------------------------------------------------------------------------------------

<FN>
See accompanying notes.
</FN>
</TABLE>



<PAGE>


EXHIBIT 13.1-7

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                                     CONSOLIDATED BALANCE SHEETS

====================================================================================================================================
<CAPTION>
In thousands
- ------------------------------------------------------------------------------------------------------------------------------------

JUNE 27, 1999 AND JUNE 28, 1998                                                                       1999                     1998
<S>                                                                                            <C>                      <C>
Assets
Current assets:
   Cash and cash equivalents                                                                   $   154,220              $   128,733
   Short-term investments                                                                          632,487                  509,160
   Accounts receivable, net of allowance for
        Doubtful accounts of $803 ($803 in 1998)                                                    62,188                   68,539
   Inventories
        Raw materials                                                                                2,705                    4,726
        Work-in-process                                                                              8,178                    6,502
        Finished goods                                                                               4,641                    4,892
                                                                                               -----------              -----------
        Total inventories                                                                           15,524                   16,120
   Deferred tax assets                                                                              28,116                   35,817
   Prepaid expenses and other current assets                                                        12,577                    9,807
                                                                                               -----------              -----------
        Total current assets                                                                       905,112                  768,176
                                                                                               -----------              -----------
Property, plant and equipment, at cost:
   Land, buildings and improvements                                                                 78,555                   54,893
   Manufacturing and test equipment                                                                166,863                  151,484
   Office furniture and equipment                                                                    3,234                    3,147
                                                                                               -----------              -----------
                                                                                                   248,652                  209,524
   Accumulated depreciation and amortization                                                      (106,850)                 (84,878)
                                                                                               -----------              -----------
        Net property, plant and equipment                                                          141,802                  124,646
                                                                                               -----------              -----------
        Total assets                                                                           $ 1,046,914              $   892,822
                                                                                               ===========              ===========

Liabilities and Shareholders' Equity:
Current liabilities:
   Accounts payable                                                                            $     7,873              $     8,241
   Accrued payroll and related benefits                                                             33,653                   32,130
   Deferred income on shipments to distributors                                                     35,464                   33,377
   Income taxes payable                                                                             27,404                   32,749
   Other accrued liabilities                                                                        20,881                   16,529
                                                                                               -----------              -----------
        Total current liabilities                                                                  125,275                  123,026
                                                                                               -----------              -----------
Deferred tax liabilities                                                                            14,845                   13,883
Commitments
Shareholders' equity:
   Preferred stock, no par value, 2,000 shares
        Authorized, none issued or outstanding                                                        --                       --
   Common stock, no par value, 240,000 shares
        Authorized; 153,731 shares issued and
        Outstanding (153,646 shares in 1998)                                                       312,027                  230,655
   Retained earnings                                                                               594,767                  525,258
                                                                                               -----------              -----------
     Total shareholders' equity                                                                    906,794                  755,913
                                                                                               -----------              -----------
     Total liabilities and shareholders' equity                                                $ 1,046,914              $   892,822
                                                                                               ===========              ===========

====================================================================================================================================

<FN>
See accompanying notes.
</FN>
</TABLE>


<PAGE>


EXHIBIT 13.1-8

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                                CONSOLIDATED STATEMENTS OF CASH FLOWS
                                          INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS

<CAPTION>
In thousands

THREE YEARS ENDED JUNE 27, 1999                                                          1999               1998               1997
<S>                                                                                 <C>                <C>                <C>
Cash flow from operating activities:
     Net income                                                                     $ 194,293          $ 180,902          $ 134,371
     Adjustments to reconcile net income to
       net cash provided by operating activities:
       Depreciation and amortization                                                   21,972             20,122             12,425
       Changes in operating assets and liabilities:
            Decrease (increase) in accounts receivable                                  6,351             (3,703)           (16,441)
            Decrease (increase) in inventories                                            596             (3,935)               745
            Decrease (increase) in deferred tax assets                                  7,701             (5,119)            (3,498)
            Decrease (increase) in prepaid expenses
              and other current assets                                                 (2,770)            (1,679)              (245)
            Increase (decrease) in accounts payable, accrued                            5,507             14,024            (10,199)
              payroll and other accrued liabilities
            Increase (decrease) in deferred income
              on shipments to distributors                                              2,087              3,391              5,058
            Tax benefit from stock option transactions                                 49,077             34,125             22,272
            Increase (decrease) in income taxes payable                                (5,345)            16,625              7,729
            Increase (decrease) in deferred tax liabilities                               962             12,287             (1,321)
                                                                                    ---------          ---------          ---------

     Cash provided by operating activities                                            280,431            267,040            150,896
                                                                                    ---------          ---------          ---------

Cash flow from investing activities:
     Purchase of  short-term investments                                             (529,740)          (444,051)          (301,746)
     Proceeds from sales and maturities of short-term
       investments                                                                    406,413            328,216            176,500
     Purchase of property, plant and equipment                                        (39,128)           (24,421)           (21,850)
                                                                                    ---------          ---------          ---------

       Cash used in investing activities                                             (162,455)          (140,256)          (147,096)
                                                                                    ---------          ---------          ---------

Cash flow from financing activities:
     Issuance of common shares under employee stock plans                              38,332             26,596             18,481
     Purchase of common stock                                                        (108,736)           (56,445)           (11,598)
     Payment of cash dividends                                                        (22,085)           (18,316)           (14,962)
                                                                                    ---------          ---------          ---------

       Cash used in financing activities                                              (92,489)           (48,165)            (8,079)
                                                                                    ---------          ---------          ---------

Increase (decrease) in cash and cash equivalents                                       25,487             78,619             (4,279)
Cash and cash equivalents, beginning of period                                        128,733             50,114             54,393
                                                                                    ---------          ---------          ---------

Cash and cash equivalents, end of period                                            $ 154,220          $ 128,733          $  50,114
                                                                                    =========          =========          =========

Supplemental disclosures of cash flow information:
     Cash paid during the fiscal year for income taxes                              $  36,856          $  31,742          $  44,844
                                                                                    ---------          ---------          ---------

<FN>
See accompanying notes.
</FN>
</TABLE>


<PAGE>


EXHIBIT 13.1-9

<TABLE>
                                                    LINEAR TECHNOLOGY CORPORATION
                                           CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY

<CAPTION>
In thousands

THREE YEARS ENDED JUNE 27, 1999
                                                                                                                            Total
                                                                              Common Stock               Retained      Shareholders'
                                                                         Shares          Amount          Earnings           Equity

<S>                                                                      <C>            <C>              <C>              <C>
Balance at June 30, 1996                                                 149,324        $ 132,482        $ 308,005        $ 440,487
                                                                       ---------        ---------        ---------        ---------

Issuance of common stock for cash under employee
   stock option and stock purchase plans                                   3,528           18,481             --             18,481
Tax benefit from stock option transactions                                  --             22,272             --             22,272
Purchase and retirement of common stock                                     (940)            (832)         (10,766)         (11,598)
Net income                                                                  --               --            134,371          134,371
Cash dividends - $0.10 per share                                            --               --            (14,962)         (14,962)
                                                                       ---------        ---------        ---------        ---------

Balance at June 29, 1997                                                 151,912          172,403          416,648          589,051

Issuance of common stock for cash under employee
   stock option and stock purchase plans                                   3,738           26,596             --             26,596
Tax benefit from stock option transactions                                  --             34,125             --             34,125
Purchase and retirement of common stock                                   (2,004)          (2,469)         (53,976)         (56,445)
Net income                                                                  --               --            180,902          180,902
Cash dividends - $0.12 per share                                            --               --            (18,316)         (18,316)
                                                                       ---------        ---------        ---------        ---------

Balance at June 28, 1998                                                 153,646          230,655          525,258          755,913

Issuance of common stock for cash under employee
   stock option and stock purchase plans                                   4,100           38,332             --             38,332
Tax benefit from stock option transactions                                  --             49,077             --             49,077
Purchase and retirement of common stock                                   (4,015)          (6,037)        (102,699)        (108,736)
Net income                                                                  --               --            194,293          194,293
Cash dividends - $0.145 per share                                           --               --            (22,085)         (22,085)
                                                                       ---------        ---------        ---------        ---------

Balance at June 27, 1999                                                 153,731        $ 312,027        $ 594,767        $ 906,794
                                                                       =========        =========        =========        =========

<FN>
See accompanying notes.
</FN>
</TABLE>


<PAGE>


EXHIBIT 13.1-10

                          LINEAR TECHNOLOGY CORPORATION
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Description of business and significant accounting policies

Description of business and export sales

Linear Technology Corporation ("the Company") designs,  manufactures and markets
high  performance  linear  integrated  circuits.  Applications for the Company's
products include:  telecommunications,  cellular telephones, networking products
and satellite  systems,  notebook and desktop computers,  computer  peripherals,
video/multimedia,   industrial  instrumentation,   factory  automation,  process
control and military and space systems.

Export sales by geographic area were as follows:

In thousands
                                              1999           1998           1997
Europe                                    $120,793       $126,726       $ 91,927
Japan                                       58,656         57,400         46,332
Asia Pacific and other                      93,738         67,299         49,340
                                          --------       --------       --------
Total export sales                        $273,187       $251,425       $187,599
                                          ========       ========       ========


Basis of presentation

The Company's  fiscal year ends on the Sunday nearest June 30. Fiscal 1999, 1998
and  1997  were  52  week  periods.  The  accompanying   consolidated  financial
statements include the accounts of the Company and its wholly-owned subsidiaries
after  elimination of all significant  inter-company  accounts and transactions.
Accounts  denominated in foreign  currencies have been translated using the U.S.
dollar as the functional currency.

The preparation of financial  statements in conformity  with generally  accepted
accounting principles requires management to make estimates and assumptions that
affect the amounts reported in the financial  statements and accompanying notes.
Actual results could differ from those estimates.

Stock split

In February 1999, the Company completed a two-for-one stock split. All share and
per share information has been adjusted for the effect of this stock split.

Cash equivalents and short-Term investments

Cash equivalents are highly liquid investments with original maturities of three
months or less.  Investments  with  maturities  over three months at the time of
purchase are classified as short-term investments.

At June 27, 1999 and June 28, 1998,  all of the  Company's  investments  in debt
securities were classified as available-for-sale, which means that, although the
Company  principally  holds  securities  until maturity,  they may be sold under
certain  circumstances.  The debt securities are carried at amortized cost which
approximates fair market value,  determined using quoted market prices for these
securities. Realized and unrealized gains and losses from short-term investments
were not material at any time during 1999,  1998 and 1997.  At June 27, 1999 and
June 28, 1998, the Company held no equity securities.

Concentrations of Credit Risk and Off Balance Sheet Risk

The Company's  investment  policy  restricts  investments to high credit quality
investments  with a  maturity  of  three  years or less and  limits  the  amount
invested  with any one issuer.  Concentrations  of credit  risk with  respect to
accounts  receivable are generally not  significant  due to the diversity of the
Company's  customers and geographic  sales areas.  The Company  performs ongoing
credit   evaluations  of  its  customers'   financial   condition  and  requires
collateral, primarily letters of credit, as deemed necessary.

The Company's two largest domestic  distributors  accounted for 24%, 25% and 26%
of net sales for fiscal 1999, 1998 and 1997, respectively.  Distributors are not
end  customers,  but rather  serve as a channel of sale to many end users of the
Company's  products.  No other distributor or customer accounted for 10% or more
of net sales for fiscal 1999, 1998 and 1997.

The Company's assets,  liabilities and cash flows are predominately  U.S. dollar
denominated,  including those of its foreign operations.  However, the Company's
foreign  subsidiaries  have certain assets,  liabilities and cash flows that are
subject to foreign  currency risk.  The Company  considers this risk to be minor
and,  for the three  years  ended June 27,  1999,  had not  utilized  derivative
instruments to hedge foreign  currency risk or for any other purpose.  Gains and
losses  resulting from foreign  currency  fluctuations  are recognized in income
currently and were not material for all periods presented.



<PAGE>


EXHIBIT 13.1-11

Inventories

Inventories are stated at the lower of standard cost, which approximates  actual
cost determined on a first-in, first-out basis, or market.

Property, plant and equipment

Depreciation and amortization are provided using the  straight-line  method over
the  estimated  useful  lives of the assets (3-7 years for  equipment  and 10-30
years for  buildings  and building  improvements).  Leasehold  improvements  are
amortized  over the shorter of the asset's  useful life or the expected  term of
the lease. Net property, plant and equipment at June 27, 1999 was geographically
distributed as follows:  United States -  $108,836,000,  Malaysia - $19,858,000,
Singapore - $13,015,000, and other - $93,000.

Deferred income on shipments to distributors

The Company  sells to domestic  distributors  under  agreements  allowing  price
protection   and  right  of  return  on  certain   merchandise   unsold  by  the
distributors. Because of the uncertainty associated with pricing concessions and
future returns,  the Company defers  recognition of such sales and profit in its
financial statements until the merchandise is sold by the domestic distributors.
The Company estimates international  distributor returns and defers a portion of
international distributor sales and profits based on these estimated returns.

Stock Based Compensation

The Company  accounts for  stock-based  awards to employees  under the intrinsic
value method in  accordance  with  Accounting  Principles  Board Opinion No. 25,
"Accounting  for Stock  Issued to  Employees"  ("APB  25") and has  adopted  the
disclosure-only  alternative of Statement of Financial  Accounting Standards No.
123, "Accounting for Stock-Based Compensation" ("FAS 123").

Earnings Per Share

Basic  earnings per share is  calculated  using the weighted  average  shares of
common  stock  outstanding  during the  period.  Diluted  earnings  per share is
calculated using the weighted average shares of common stock  outstanding,  plus
the  dilutive  effect of stock  options,  calculated  using the  treasury  stock
method.  The  dilutive  effect of stock  options was  6,924,000,  7,303,000  and
7,114,000 shares for fiscal 1999, 1998 and 1997 respectively.

Comprehensive Income

The Company adopted FAS 130, "Reporting  Comprehensive Income" , in fiscal 1999.
FAS 130 requires  certain items,  including  unrealized  gains and losses on the
Company's  available-for-sale  securities, to be included in other comprehensive
income.  The  adoption  of FAS  130 had no  impact  on the  Company's  financial
position  or  results of  operations,  and there  were no  material  differences
between comprehensive income and net income for fiscal 1999, 1998 and 1997.

Segment Reporting

The Company  adopted FAS 131,  "Disclosures  About Segments of an Enterprise and
Related  Information",  in  fiscal  1999.  FAS  131  established  new  reporting
requirements  for public  companies based on the management  approach to segment
reporting.  In addition, FAS 131 also established new reporting requirements for
disclosures  about  products  and  services,   geographical   areas,  and  major
customers.  Because  the  Company is viewed as a single  operating  segment  for
management  purposes,  no  segment  information  has been  disclosed.  The other
disclosures required by FAS 131 are included above in Note 1 to the consolidated
financial statements.

Recent Pronouncements

In June 1998, the Financial  Accounting Standards Board ("FASB") issued FAS 133,
"Accounting for Derivative  Investments and Hedging  Activities." This statement
provides  a  comprehensive  and  consistent  standard  for the  recognition  and
measurement of derivatives and hedging activities. In July 1999, the FASB issued
FAS 137, which defers the effective  date of FAS 133 for one year.  Accordingly,
the  Company  will now be  required  to adopt FAS 133 during  fiscal  2001.  The
Company does not expect the adoption of FAS 133 to have a significant  effect on
the Company's financial position or results of operations.


2. Short-term Investments

Short-term investments as of June 27, 1999 and June 28, 1998 were as follows:

In thousands                                        June 27, 1999  June 28, 1998

Municipal bonds                                       $468,115       $336,824
U.S. Treasury securities and
  obligations of U.S. government
  agencies                                             127,612        130,416
Corporate debt securities and other                     36,760         41,920
                                                      --------       --------
                                                      $632,487       $509,160
                                                      ========       ========



<PAGE>


EXHIBIT 13.1-12

The  contractual  maturities of short-term  investments at June 27, 1999 were as
follows: one year or less - $49,286,000, one year to three years - $583,201,000.
Expected  maturities may differ from contractual  maturities because the issuers
of the securities  may have the right to repay  obligations  without  prepayment
penalties.


3. Lease commitments

The Company leases certain of its facilities  under  operating  leases,  some of
which have  options to extend the lease  period.  In  addition,  the Company has
entered into  long-term  land leases for the sites of its Singapore and Malaysia
manufacturing facilities.

At June 27, 1999, future minimum lease payments under  non-cancelable  operating
leases  having an  initial  term in excess of one year were as  follows:  fiscal
2000:  $1,404,000;  fiscal 2001: $916,000;  fiscal 2002: $876,000;  fiscal 2003:
$792,000; fiscal 2004: $792,000; and thereafter: $6,581,000.

Total rent expense was  $2,261,000,  $2,528,000  and  $2,379,000 in fiscal 1999,
1998 and 1997, respectively.


4. Employee benefit plans

Stock option plans

The Company has stock option plans under which options to purchase shares of the
Company's  common stock may be granted to employees  and directors at a price no
less than the fair market value on the date of the grant.  At June 27, 1999, the
total authorized number of shares under all plans was 77,000,000. Options become
exercisable  over a  five-year  period  (generally  10% every six  months).  All
options expire ten years after the date of the grant.

In fiscal 1997,  the Board of Directors  approved the  repricing of stock option
grants  totaling  5,021,200  shares  granted during fiscal 1996. In exchange for
these new options,  all vesting  under the  canceled  options was lost and a new
five year vesting period was started.

Stock  option  transactions  during  the three  years  ended  June 27,  1999 are
summarized as follows:

                                                     Stock           Weighted-
                                                    Options           Average
                                                  Outstanding     Exercise Price

Outstanding options, June 30, 1996                 20,715,896        $    9.42
                                                   ----------        ---------

Granted                                             8,115,200            14.59
Re-priced options canceled                         (5,021,200)           17.40
Forfeited                                            (648,000)           13.38
Exercised                                          (3,403,404)            4.75
                                                   ----------        ---------
Outstanding options, June 29, 1997                 19,758,492        $   10.19
                                                   ----------        ---------

Granted                                             5,751,150            28.07
Forfeited                                            (455,368)           16.84
Exercised                                          (3,605,282)            6.57
                                                   ----------        ---------
Outstanding options, June 28, 1998                 21,448,992        $   15.46
                                                   ----------        ---------

Granted                                             4,976,000            42.25
Forfeited                                            (382,700)           22.92
Exercised                                          (3,957,097)            8.81
                                                   ----------        ---------
Outstanding options, June 27, 1999                 22,085,195            22.56
                                                   ==========        =========



<PAGE>


EXHIBIT 13.1-13

<TABLE>
The  following  table sets forth  certain  information  with respect to employee
stock options outstanding and exercisable at June 27, 1999:

<CAPTION>
                                           Weighted      Weighted                        Weighted
                                  Stock     Average       Average             Stock      Average
                                 Options   Exercise     Remaining            Options     Exercise
Range of Exercise Prices      Outstanding    Price     Contractual         Exercisable    Price
                                                       Life (Years)
<S>                            <C>           <C>           <C>              <C>           <C>
$ 1.14 - $12.38                9,229,807     $9.88         5.5              6,222,107     $8.71
 14.44 -  29.25                7,515,488     23.93         7.9              2,418,268     21.69
 30.13 -  56.31                5,339,900     42.53         9.3                389,800     32.73
                              ----------    ------         ---              ---------    ------

$ 1.14 - $56.31               22,085,195    $22.56         7.2              9,030,175    $13.22
                              ==========    ======         ===              =========    ======
</TABLE>


Stock purchase plan

The  Company's  stock  purchase  plan  ("ESPP")  permits  eligible  employees to
purchase common stock through payroll deductions at the lower of 85% of the fair
market value of common stock at the beginning or end of each six month  offering
period.  The offering periods commence on approximately  May 1 and November 1 of
each year. At June 27, 1999,  the shares  reserved for issuance  under this plan
totaled  4,200,000 and 3,410,287 shares had been issued under this plan.  During
fiscal 1999,  142,935 shares were issued at a  weighted-average  price of $24.92
per share pursuant to this plan.

Pro Forma Disclosure of the Effect of Stock-Based Compensation

The following  table  summarizes pro forma net income and pro forma earnings per
share, as if the Company had elected to recognize  compensation  expense for its
employee  stock plans as prescribed by FAS 123 (in  thousands,  except per share
amounts):

                                          1999            1998           1997
                                       ----------     -----------    -----------
Pro forma net income                   $   166,847    $   163,511    $   125,347
Pro forma earnings per share:
     Basic                             $     1.10     $      1.09    $      0.85
     Diluted                           $     1.05     $      1.04    $      0.81

For purposes of the pro forma  information,  the fair value of each stock option
grant is estimated on the date of grant using the  Black-Scholes  option pricing
model and the following  weighted average  assumptions (the fair value of shares
issued under the Company's ESPP was not significant for all periods presented):

                                1999        1998        1997
                                ----        ----        ----
   Expected lives                6.5         6.0         6.5
   Expected volatility          54.0%       51.0%       51.0%
   Dividend yields               0.3%        0.4%        0.5%
   Risk free interest            5.6%        5.7%        6.6%
   rates

The Black-Scholes option valuation model was developed for use in estimating the
fair value of publicly traded options which have no vesting restrictions and are
fully  transferable.  In addition,  option valuation models require the input of
highly subjective assumptions including expected stock price volatility. Because
the  Company's  employee  stock  options  have   characteristics   significantly
different from those of publicly  traded  options,  and because changes in these
subjective input assumptions can materially  affect the fair value estimate,  in
management's  opinion,  the  existing  models do not  provide a reliable  single
measure of the fair value of its stock options.

Using the  Black-Scholes  option pricing model, the weighted  average  estimated
fair value of employee stock options  granted in fiscal 1999,  1998 and 1997 was
$25.09, $15.54 and $10.04 per share,  respectively.  For the purposes of the pro
forma  information,  the estimated fair values of the employee stock options are
amortized to expense using the straight-line method over the vesting period. The
pro forma information is not  representative of the pro forma effect of the fair
value  provisions of FAS 123 on the Company's income in future years because pro
forma compensation expense related to grants made prior to the implementation of
FAS 123 in fiscal 1996 has not been taken into consideration.  Accordingly,  the
pro forma effect of FAS 123 will not be fully  reflected  until fiscal 2000 when
the pro forma effect will include  compensation  expense for stock option grants
issued during the previous five years.

Retirement Plan

The Company has  established a 401(k)  retirement  plan for its  qualified  U.S.
employees.  Profit sharing  contributions  made by the Company to this plan were
approximately  $7,577,000,  $6,126,000 and  $5,038,000 in fiscal 1999,  1998 and
1997, respectively.


<PAGE>


EXHIBIT 13.1-14

5.  Income taxes

The components of income before income taxes are as follows:

In thousands                                    1999          1998          1997

United States operations                    $246,190      $240,072      $181,258
Foreign operations                            39,537        31,185        23,264
                                            --------      --------      --------
                                            $285,727      $271,257      $204,522
                                            ========      ========      ========

The provision for income taxes consists of the following:

In thousands                               1999            1998            1997

United States federal:
Current                                $ 71,433        $ 72,363        $ 64,694
Deferred                                  8,442           6,772          (4,589)
                                       --------        --------        --------
                                         79,875          79,135          60,105
                                       --------        --------        --------
State:
Current                                   9,119           9,744           9,526
Deferred                                    222             396            (230)
                                       --------        --------        --------
                                          9,341          10,140           9,296
                                       --------        --------        --------

Foreign-Current                           2,218           1,080             750
                                       --------        --------        --------

                                       $ 91,434        $ 90,355        $ 70,151
                                       ========        ========        ========

Actual current tax liabilities are lower than the amounts reflected above by the
tax benefit from stock option activity of approximately $49,077,000, $34,125,000
and $22,272,000 for fiscal 1999,  1998 and 1997,  respectively.  The tax benefit
from stock option  activity is recorded as a reduction  in current  income taxes
payable and an increase in common stock.

<TABLE>
The provision for income taxes reconciles to the amount computed by applying the
statutory U.S. Federal rate at 35% to income before income taxes as follows:

<CAPTION>
In thousands                                                                             1999               1998               1997
<S>                                                                                 <C>                <C>                <C>
Tax at U.S. statutory rate                                                          $ 100,005          $  94,940          $  71,583
State income taxes, net of federal benefit                                              6,072              6,591              6,042
Earnings of foreign subsidiaries subject to lower rates                                (8,043)            (6,735)            (6,060)
Tax-exempt interest income                                                             (5,922)            (4,857)            (2,913)
Other                                                                                    (678)               416              1,499
                                                                                    ---------          ---------          ---------
                                                                                    $  91,434          $  90,355          $  70,151
                                                                                    =========          =========          =========
</TABLE>


Deferred  income  taxes  reflect  the net tax effects of  temporary  differences
between the carrying  amounts of assets and liabilities for financial  reporting
purposes and the amounts used for income tax purposes. Significant components of
the Company's deferred tax assets and liabilities  recorded in the balance sheet
as of June 27, 1999 and June 28, 1998 are as follows:

In thousands                                                    1999        1998

Deferred tax assets:
  Inventory valuation                                        $10,764     $ 9,124
  Deferred income on shipments to distributors                13,215      13,184
  State income taxes                                           2,475      10,387
  Other                                                        1,662       3,122
                                                             -------     -------
     Total deferred tax assets                                28,116      35,817
                                                             -------     -------
Deferred tax liabilities:
   Depreciation and amortization                               6,892       9,183
   Unremitted earnings of subsidiaries                         7,953       4,700
                                                             -------     -------
      Total deferred tax liabilities                          14,845      13,883
                                                             -------     -------

  Net deferred tax assets                                    $13,271     $21,934
                                                             =======     =======



<PAGE>


EXHIBIT 13.1-15

The  Company's  Singapore  subsidiary  has been  granted a ten-year tax holiday,
which is scheduled to expire in  September  1999.  The Company has applied for a
second  extension of its Singapore  tax holiday;  it expects but has not assumed
that an extension will be granted.  Also, the Company's Malaysia  subsidiary has
been granted a five-year tax holiday, which is scheduled to expire in June 2000.

The impact of the Singapore and Malaysia tax holidays was to increase net income
by approximately $6,086,000 ($0.04 per diluted share) in fiscal 1999, $5,135,000
($0.03 per  diluted  share) in fiscal  1998 and  $5,002,000  ($0.03 per  diluted
share) in fiscal  1997.  The Company  does not provide a residual  U.S. tax on a
portion  of  the   undistributed   earnings  of  its   Singapore   and  Malaysia
subsidiaries,  as it is the  Company's  intention  to  permanently  invest these
earnings  overseas.  Should  these  earnings  be  remitted  to the U.S.  parent,
additional U.S. taxable income would be approximately $94,244,000.



<PAGE>


EXHIBIT 13.1-16

Report of Ernst & Young LLP, Independent Auditors


The Board of Directors and Shareholders of Linear Technology Corporation

We  have  audited  the  accompanying   consolidated  balance  sheets  of  Linear
Technology  Corporation  as of June 27, 1999 and June 28, 1998,  and the related
consolidated statements of income,  shareholders' equity and cash flows for each
of the three years in the period ended June 27, 1999. These financial statements
are the  responsibility of the Company's  management.  Our  responsibility is to
express an opinion on these financial statements based on our audits.

We  conducted  our  audits  in  accordance  with  generally   accepted  auditing
standards.  Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements are free of material
misstatement.  An audit includes examining, on a test basis, evidence supporting
the amounts and disclosures in the financial statements.  An audit also includes
assessing the  accounting  principles  used and  significant  estimates  made by
management,  as well as evaluating the overall financial statement presentation.
We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the consolidated  financial statements referred to above present
fairly, in all material respects,  the consolidated financial position of Linear
Technology  Corporation at June 27, 1999 and June 28, 1998, and the consolidated
results of its  operations and its cash flows for each of the three years in the
period ended June 27, 1999, in conformity  with  generally  accepted  accounting
principles.


                                                           /s/ Ernst & Young LLP


San Jose, California
July 16, 1999




<PAGE>


EXHIBIT 13.1-17

COMPANY PROFILE
Linear Technology Corporation
designs, manufactures and markets
a broad line of standard high
performance linear integrated circuits
utilizing bipolar and silicon gate
CMOS and BiCMOS process technologies.

BOARD OF DIRECTORS
Thomas S. Volpe
Managing Partner
Volpe, Brown, Whelen & Co. LLC
Investment Banking Firm

David S. Lee
Chairman of the Board
Cortelco Systems Holding Corp.
Manufacturer, Telecommunication
Systems and Products

Leo T. McCarthy
President
The Daniel Group
International Consulting Firm
Former Lieutenant Governor
State of California

Richard M. Moley
Former President and Chief Executive Officer
StrataCom, Inc.
Manufacturer, Telecommunication
Systems and Products

Robert H. Swanson, Jr.
Chairman and Chief Executive Officer
Linear Technology Corporation


OFFICERS
Robert H. Swanson, Jr.
Chairman and Chief Executive Officer

Clive B. Davies, Ph.D.
President

Paul Chantalat
Vice President, Quality and Reliability

Paul Coghlan
Vice President, Finance and Chief Financial Officer

Timothy D. Cox
Vice President, North American Sales

Robert C. Dobkin
Vice President, Engineering and Chief Technical Officer

Louis Di Nardo
Vice President, Marketing

Lothar Maier
Vice President and Chief Operating Officer



<PAGE>


EXHIBIT 13.1-18

Hans J. Zapf
Vice President, International Sales

Arthur F. Schneiderman
Secretary
Attorney, Wilson, Sonsini, Goodrich & Rosati,
Professional Corporation
Legal Counsel


TRANSFER AGENT AND REGISTRAR
BankBoston, N.A.
Boston, Massachusetts


INDEPENDENT AUDITORS
Ernst & Young LLP
San Jose, California


CORPORATE AND INVESTOR INFORMATION
Please direct inquiries to:
Paul Coghlan
Vice President, Finance and CFO,
Linear Technology Corporation
1630 McCarthy Blvd.
Milpitas, California, 95035-7417


SEC FORM 10-K
If you would like a copy of our Annual Report on Form 10-K
for the fiscal year ended June 27, 1999, as filed with the
Securities and Exchange Commission,
you may obtain it without charge.  Direct your request to:
Paul Coghlan,
Vice President, Finance and CFO
Linear Technology Corporation,
1630 McCarthy Blvd.
Milpitas, California, 95035-7417






EXHIBIT 21.1

                          LINEAR TECHNOLOGY CORPORATION

                              LIST OF SUBSIDIARIES



                    1.        Linear Technology (U.K.) Limited

                    2.        Linear Technology KK

                    3.        Linear Technology GmbH

                    4.        Linear Technology S.A.R.L.

                    5.        Linear Technology PTE

                    6.        Linear Technology Foreign Sales Corporation

                    7.        Linear Technology (Taiwan) Corporation

                    8.        Linear Technology Korea

                    9.        Linear Semiconductor Sdn Bhd

                   10.        Linear Technology A.B. (Sweden)

                   11.        Linear Technology Corporation Limited (Hong Kong)






                                  EXHIBIT 23.1

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS


We consent to the  incorporation  by reference in this Annual Report (Form 10-K)
of Linear Technology  Corporation of our report dated July 16, 1999, included in
the 1999 Annual Report to Shareholders of Linear Technology Corporation.

Our audits also included the financial  statement  schedule of Linear Technology
Corporation  listed in Item 14(d).  This schedule is the  responsibility  of the
Company's  management.  Our responsibility is to express an opinion based on our
audits. In our opinion, the financial statement schedule referred to above, when
considered  in  relation  to the basic  financial  statements  taken as a whole,
presents fairly in all material respects the information set forth therein.

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 and
333-84149)  pertaining to the 1986 Employee Stock Purchase Plan,  1981 Incentive
Stock Option Plan,  1988 Incentive  Stock Option Plan and 1996  Incentive  Stock
Option Plan of our report dated July 16, 1999, with respect to the  consolidated
financial statements  incorporated herein by reference,  and our report included
in the  preceding  paragraph  with respect to the financial  statement  schedule
included in the Annual Report (Form 10-K) for the year ended June 27, 1999.


                                                           /s/ Ernst & Young LLP

San Jose, California
September 22, 1999



<TABLE> <S> <C>


<ARTICLE>                     5
<LEGEND>
     FORM 10-K FOR THE YEAR ENDED JUNE 27, 1999
</LEGEND>
<CIK>                         0000791907
<NAME>                        LINEAR TECHNOLOGY CORPORATION
<MULTIPLIER>                                   1,000

<S>                             <C>
<PERIOD-TYPE>                   12-MOS
<FISCAL-YEAR-END>                              JUN-27-1999
<PERIOD-START>                                 JUN-29-1998
<PERIOD-END>                                   JUN-27-1999
<CASH>                                             154,220
<SECURITIES>                                       632,487
<RECEIVABLES>                                       62,991
<ALLOWANCES>                                           803
<INVENTORY>                                         15,524
<CURRENT-ASSETS>                                   905,112
<PP&E>                                             248,652
<DEPRECIATION>                                     106,850
<TOTAL-ASSETS>                                   1,046,914
<CURRENT-LIABILITIES>                              125,275
<BONDS>                                                  0
                              312,027
                                              0
<COMMON>                                                 0
<OTHER-SE>                                         594,767
<TOTAL-LIABILITY-AND-EQUITY>                     1,046,914
<SALES>                                            506,669
<TOTAL-REVENUES>                                   506,669
<CGS>                                              139,821
<TOTAL-COSTS>                                      139,821
<OTHER-EXPENSES>                                   108,922
<LOSS-PROVISION>                                         0
<INTEREST-EXPENSE>                                       0
<INCOME-PRETAX>                                    285,727
<INCOME-TAX>                                        91,434
<INCOME-CONTINUING>                                194,293
<DISCONTINUED>                                           0
<EXTRAORDINARY>                                          0
<CHANGES>                                                0
<NET-INCOME>                                       194,293
<EPS-BASIC>                                         1.28
<EPS-DILUTED>                                         1.22



</TABLE>


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