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Tips about PCB design for PII with system bus 100Mhz??

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ahmed osama

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PII PCB??

hi all

I need a use PII in a circuit , so i need any tips u have about the pcb design for PII with system bus 100 MHZ??

how many layer shoud be the pcb??
Do i have to have Osciscope OR netowork analyzer???
Best program for PCB routing?
Best program for PCB routing simulation??.....

any extra tips or notes u have i will be glad for that
 

Re: PII PCB??

Yes, here are few tips,

1> I did a PIII board in 4 layer. So either 4 or 6 layers should be sufficient.

2> place terminating resistors close to CPU. Try using least via, if anywhere you feel by swapping pins, you can avoid via, implement it.

3> Take proper care for the GND & VCC plane.

4> Predefine rules for critical signals for like Clock & data busses between North bridge & Processor.

5> Don't forget to carry out pre-layout & Post -Layout Simulation.

Good Luck
 

Re: PII PCB??

thx alot for ur tips , but i have some extra ques.

1- do i have to use North bridge?? since i will used for a simple app. it is just a challenge task

2-About pre-layout & Post -Layout Simulation , What is the best simulation software for that

3- For Testing does i need a certains instruments (osc....etc)

4-If as i said will use it for a very simple app does it can make it in a 2 layer PCB !!!!!!!! :roll: [/u]
 

Re: PII PCB??

Here's reply to your queries.

1- do i have to use North bridge?? since i will used for a simple app. it is just a challenge task

Depends in your design. North Bridge required if you are designing Motherboards.

2-About pre-layout & Post -Layout Simulation , What is the best simulation software for that

Any tools like HYPERLYNX, SPECCTRAQUEST....there are many more.

3- For Testing does i need a certains instruments (osc....etc)

Prefferably Oscilliscope.

4-If as i said will use it for a very simple app does it can make it in a 2 layer PCB !!!!!!!! [/u]

Number of layers depends on your design requirements. Hard to predict.
 

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