HCS473-PROM datasheet(2/68 Pages) MICROCHIP

2 / 68 page

DS40035C - page ii

Preliminary

 2002 Microchip Technology Inc.

Information contained in this publication regarding device

applications and the like is intended through suggestion only

and may be superseded by updates. It is your responsibility to

ensure that your application meets with your specifications.

No representation or warranty is given and no liability is

assumed by Microchip Technology Incorporated with respect

to the accuracy or use of such information, or infringement of

patents or other intellectual property rights arising from such

use or otherwise. Use of Microchip’s products as critical com-

ponents in life support systems is not authorized except with

express written approval by Microchip. No licenses are con-

veyed, implicitly or otherwise, under any intellectual property

rights.

Trademarks

The Microchip name and logo, the Microchip logo, K

EELOQ,

MPLAB, PIC, PICmicro, PICSTART and PRO MATE are

registered trademarks of Microchip Technology Incorporated

in the U.S.A. and other countries.

FilterLab, micro

ID, MXDEV, MXLAB, PICMASTER, SEEVAL

and

The

Embedded

Control

Solutions

Company

are

registered trademarks of Microchip Technology Incorporated

in the U.S.A.

dsPIC,

dsPICDEM.net,

ECONOMONITOR,

FanSense,

FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP,

ICEPIC, microPort, Migratable Memory, MPASM, MPLIB,

MPLINK, MPSIM, PICC, PICDEM, PICDEM.net, rfPIC, Select

Mode and Total Endurance are trademarks of Microchip

Technology Incorporated in the U.S.A. and other countries.

Serialized Quick Turn Programming (SQTP) is a service mark

of Microchip Technology Incorporated in the U.S.A.

All other trademarks mentioned herein are property of their

respective companies.

Printed on recycled paper.

Microchip received QS-9000 quality system

certification for its worldwide headquarters,

design and wafer fabrication facilities in

Chandler and Tempe, Arizona in July 1999

and Mountain View, California in March 2002.

The Company’s quality system processes and

procedures are QS-9000 compliant for its

PICmicro® 8-bit MCUs, K

EELOQ® code hopping

devices, Serial EEPROMs, microperipherals,

non-volatile memory and analog products. In

addition, Microchip’s quality system for the

design and manufacture of development

systems is ISO 9001 certified.

Note the following details of the code protection feature on Microchip devices:

•

Microchip products meet the specification contained in their particular Microchip Data Sheet.

•

Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the

intended manner and under normal conditions.

•

There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowl-

edge, require using the Microchip products in a manner outside the operating specifications contained in Microchip's Data

Sheets. Most likely, the person doing so is engaged in theft of intellectual property.

•

Microchip is willing to work with the customer who is concerned about the integrity of their code.

•

Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not

mean that we are guaranteeing the product as “unbreakable.”

Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our

products.

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