What is the Arria II GX device DQS Phase Shift Error specification?

Description

The Arria® II GX device DQS phase shift error specification is shown in the table below:

Arria II GX DQS Phase Shift Error Specification
Number of DQS Delay Buffer

C4 speed grade

I3, I5, C5 speed grades

 

C6 speed grade

1	26ps	30ps	36ps
2	52ps	60ps	72ps
3	78ps	90ps	108ps
4	104ps	120ps	144ps

 

The phase shift error specification listed in the table is the absolute maximum and minimum error. For example, skew on three DQS delay buffers in a C4 speed grade is 78ps or /-39ps.

This specification will be included in the future release of the data sheet in the Arria II Device Handbook.