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timing analysis for DDR2 designs?

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venkat_kvr

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have any one done timing analysis on ddr2 designs?
 

Hi,

I have done lots of timing analysis on DDR2 memories. Post your queries here.

Shiva
 

Siva,

what are the things to consider before doing timing analysis. Wat data should be interpreted from the data sheet.
Help me through this. I haven't done timing analysis before. I wish to do it hereafter.
 

Siva,

what are the things to consider before doing timing analysis. Wat data should be interpreted from the data sheet.
Help me through this. I haven't done timing analysis before. I wish to do it hereafter.

Look at Mentor Hyperkynx.
 

In Hyperlynx can we do Timing analysis? We can oly simulate for signal quality with IBIS models right
 

Hi

We cant do timing analysis in hyperlynx unless we get ddrx analyzer which is a separate package in hyperlynx. contact your filed representative to get the license.

we need to take the setup and hold time from datasheet.

Thanks
Sivalingam
 

siva,
Thanks. DDRx wizard askes for rank right of the DIMM module?
Suppose I am using only DDR chips then in case what i need to fill up there.
 

Hi,

Rank is based on the no of chipsets and DIMM module you are using. DIMM module can contain upto 4 ranks means 4 chipset signals.If you have 2 rank you need to select 2 i believe. I do not use hyperlynx for timing analysis. sorry i could not support more on this.

Shiva
 

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