Device Family: Arria® II GX

Type: Answers

Area: Component, EMIF



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.