Total Endurance Quick Start Guide

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1 Total Endurance Quick Start Guide 2003 Microchip Technology Inc. Advance Information DS51342A

2 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contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates.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 components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dspic, KEELOQ, MPLAB, PIC, PICmicro, PICSTART, PRO MATE and PowerSmart are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, microid, MXDEV, MXLAB, PICMASTER, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Accuron, Application Maestro, dspicdem, dspicdem.net, ECONOMONITOR, FanSense, FlexROM, fuzzylab, In- Circuit Serial Programming, ICSP, ICEPIC, microport, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICC, PICkit, PICDEM, PICDEM.net, PowerCal, PowerInfo, PowerMate, PowerTool, rflab, rfpic, Select Mode, SmartSensor, SmartShunt, SmartTel 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. 2003, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. 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 The Company s quality system processes and procedures are QS-9000 compliant for its PICmicro 8-bit MCUs, KEELOQ code hopping devices, Serial EEPROMs and microperipheral products. In addition, Microchip s quality system for the design and manufacture of development systems is ISO 9001 certified. DS51342A - page ii Advance Information 2003 Microchip Technology Inc.

3 Total Endurance Quick Start Guide Total Endurance v4.0 Quick Start Guide INTRODUCTION INSTALLING THE SOFTWARE USING TOTAL ENDURANCE Total Endurance software is designed to be a powerful, yet simple to use, software tool to help system designers determine the endurance of Microchip EEPROMs in a given application. The software will calculate the expected endurance based on the conditions entered by the user. Insert the SEEVAL 32 CD into your computer. Using Windows Explorer, open the directory leading to the SEEVAL 32 CD. Once the Setup Launcher is visible, double-click on the file labeled, Total Endurance v4.0 Setup.exe. Follow the on-screen prompts until the Finish option appears. After selecting Finish the setup menus will close, then reboot your computer. If you have downloaded Total Endurance v.4.0 Setup.exe from Microchip s web site, simply launch the setup file and follow the instructions. There are four main parts of the screen: (See screen sample) Options The options area allows you to choose whether or not you want to calculate endurance up to a specific period of time ( Application life ) or if you want the Total Endurance software to calculate how long it will take to get to a specific failure rate ( PPM ). If it takes longer than 41 years to get to the failure rate you have specified, then the program will calculate out to 41 years and then display the actual failure rate at that time. You can also select the x-axis display of the graph either Cycles or Time. Endurance Parameters Here the parameters are entered that the Total Endurance software will use to calculate the expected failure rate. Select the device you want using the Product Family and Device Selection drop-down menus. Also select the Write mode (Byte or Page, or Byte-only if the product you have selected does not have a Page mode) and the Data Pattern. You should select Random for real world applications. Also select the operating voltage of your application (the VDD supply level of the EEPROM), the ambient temperature, the number of bytes that are typically written, the number of times those bytes are written per day and the application life (or PPM level) you need Total Endurance software to calculate. Numerical Results This area provides the results of your calculation in numerical form. It shows the failure rate in FITs (Failure in Time) and PPM (Parts Per Million), calculates the MTBF (Mean Time Between Failure), gives the life of the application (calculated if you have asked Total Endurance software to calculate up to a certain PPM failure rate), and calculates the number of write cycles you are performing over the life of your application Microchip Technology Inc. Advance Information DS51342A-page 1

Total Endurance Quick Start Guide Graphic Results This shows the failure rate over time (or cycles) up to the lifetime (calculated or entered) of the

4 Total Endurance Quick Start Guide Graphic Results This shows the failure rate over time (or cycles) up to the lifetime (calculated or entered) of the application. The Enlarge button displays a full-screen version of the graph. FAILURE RATE OVER TIME DS51342A-page 2 Advance Information 2003 Microchip Technology Inc.

5 Total Endurance Quick Start Guide NOTES: 2003 Microchip Technology Inc. Advance Information DS51342A-page 3

6 Total Endurance Quick Start Guide NOTES: DS51342A-page 4 Advance Information 2003 Microchip Technology Inc.

7 Total Endurance Quick Start Guide NOTES: 2003 Microchip Technology Inc. Advance Information DS51342A-page 5

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Upgrading the ON Seminconductor MC33x64/34x64 Reset IC POWER PACKAGING

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