[SI-LIST] min/max trace length

Hi,
I often read minimum and maximum trace lengths in datasheets of sdram chips
(for example). As I figured out the length depends on the setup margin and
hold margin.

If I have a setup margin of 2ns and hold margin of 0.8ns (e.g.)  - which
formulas will tell me the min. and max. trace length? The system is working
at 100MHz with a fall time / rise tim of 2ns.

How do I have to modify the formula when I want to calculate the timing for
an external flash memory (without clock traces)?

best regards
Bernd


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