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Manual Cypress AN1196

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Summary
  • Cypress AN1196 - page 1

    November 21, 2002 Document No. 001-431 17 Rev . ** 1 EZ-USB FX2™ PCB Design Recommendations Introduction This application n ote presents recommendati ons for design- ing with the Cypress Semiconductor EZ-USB FX2™ compo- nent. T echniques for high-speed desi gn should be applied to circuits using the EZ-USB FX2. Du e to the packaging and high pe ...

  • Cypress AN1196 - page 2

    November 21, 2002 Document No. 001-431 17 Rev . ** 2 AN1 196 Figure 2. FX2 Eye Diagram of High-speed Signali ng In the diagram, notice how no signal traces overlap the cen- tral, six-sided, shade d area. Also, no trace overlaps the extremes of permissible volt age as shown in the shaded lin es at the very top and very bottom of the figure. Overlap ...

  • Cypress AN1196 - page 3

    November 21, 2002 Document No. 001-431 17 Rev . ** 3 AN1 196 Maint ain PCB T race Impedance Designing the PCB traces for particular ch aracteristic imped- ance is very important to signal quality . The USB specification requires controlled impedance a mong all elements in the USB data path. The differential impedance of each USB data pair should be ...

  • Cypress AN1196 - page 4

    November 21, 2002 Document No. 001-431 17 Rev . ** 4 AN1 196 This figure shows the die lectric material thickness (“Prepreg”) between layers 1 and 2 and the thickness between layers 3 and 4. The dimensio ns between these layers are a key ele- ment in the design to se t the proper characteristic impedance for the USB data traces. This is the “ ...

  • Cypress AN1196 - page 5

    November 21, 2002 Document No. 001-431 17 Rev . ** 5 AN1 196 The design of the land area fo r the expose d paddle is critical to proper thermal transfer . A copper fill is to be designed into the PCB and under the QFN in order to assist thermal trans- fer . Fig ure 5 is the diagram of the PCB land area for the EZ- USB FX2. Figure 5. Diagram of the ...

  • Cypress AN1196 - page 6

    November 21, 2002 Document No. 001-431 17 Rev . ** 6 AN1 196 EZ-USB FX2 Assembly Recommenda- tions The solder stencil over the expos ed p addle is required to per- mit at least 50% solder application coverage. Figure 8 is a graph from Amkor research showing how solder void mu ch less than 50% has little influe nce on thermal transfer . The package ...

  • Cypress AN1196 - page 7

    AN1 196 Cypress Semico nd uctor 198 Champi on Cou rt San Jose, CA 9513 4-1709 Phone: 408- 943-2600 Fax: 408-94 3-4730 http://www.cypr ess.com © Cypress S emiconductor Corpora tion, 2002-2007. The information containe d herein is subjec t to change with out notice. Cypres s Semiconductor Corporation a ssumes no resp onsibility for t he use of an y ...

Manufacturer Cypress Category Network Card

Documents that we receive from a manufacturer of a Cypress AN1196 can be divided into several groups. They are, among others:
- Cypress technical drawings
- AN1196 manuals
- Cypress product data sheets
- information booklets
- or energy labels Cypress AN1196
All of them are important, but the most important information from the point of view of use of the device are in the user manual Cypress AN1196.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Cypress AN1196, service manual, brief instructions and user manuals Cypress AN1196. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Cypress AN1196.

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A complete manual for the device Cypress AN1196, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Cypress AN1196 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Cypress AN1196.

A complete Cypress manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Cypress AN1196 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Cypress AN1196, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Cypress AN1196, that we can find in the current document
3. Tips how to use the basic functions of the device Cypress AN1196 - which should help us in our first steps of using Cypress AN1196
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Cypress AN1196
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Cypress AN1196 in a specific country, if it was not possible to solve the problem on our own.

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