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14
Card Requirements for PC2700 Systems
In order to insure that the FS2331 and the logic analyzer work properly with PC2700
systems it is recommended that the 16753/4/5/6 cards be used when probing at DDR
rates of 333Mhz or greater. This recommendation is based on several factors.
First, the setup and hold requirement for PC2700 is specified as a minimum of 900 ps.
Some combination of target systems and DIMMs may operate with a setup and hold
time greater than this, but to insure accurate data capture the higher performance of the
16753/4/5/6 cards is needed.
Second, the loading on the target system presented by the 16753/4/5/6 combined with
the E5378A adapter cables is significantly lower than the loading of the 1671x or
16750/1/2 and the E5385A cables. This may affect target system performance or
measurements.