Teledyne-lecroy QPHY-LPDDR2 Manuel d'utilisateur télécharger pdf (Page 37)

QPHY-LPDDR2 Software Option

QPHY-LPDDR2-OM-G Rev B

Select Signal Under Test if many

These variables allow the user to specify which signals to tests for particular tests. The default state is to

tests all of the pertinent signals. For the ADD/CTRL tests the default is ADD and for the DM tests the

default is DM

Note: Register vendor data sheets specify the maximum over/undershoot induced in specific RDIMM applications. DRAM vendor

data sheets also specify the maximum overshoot/undershoot that their DRAM can tolerate. This allows the RDIMM supplier to

understand whether the DRAM can tolerate the overshoot that the register induces in the specific RDIMM.

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Teledyne-lecroy QPHY-LPDDR2 Manuel d'utilisateur Page 37