Re: Data/Address line Matching

From: John Larkin (jjSNIPlarkin_at_highTHISlandPLEASEtechnology.XXX)
Date: 03/29/05 

Date: Tue, 29 Mar 2005 08:12:09 -0800

On 28 Mar 2005 19:12:56 -0800, "eeh" <eehobbyist@yahoo.com.hk> wrote:

>Hi,
>
>I am going to design a DSP system which needs to interface with SDRAM.
>The system clock is running at 200MHz. I have calculated the wavelength
>to be 15mm.
>

1500 mm in free air, maybe 1m on a PC board.

>The question is whether do I need to regard each data line and address
>line as transmission line and do matching for each line?

It certainly doesn't hurt. But the complexities are such that a
newsgroup is not the place to resolve them.

John