SerialLite II IP Core User Guide

ID 683179
Date 7/13/2021
Public
Document Table of Contents

2.8.2. Data Rate

The data rate range varies based on the device and the transfer size (TSIZE).

The SerialLite II IP core supports a data rate range of 622 to 6,375 Mbps per lane. In Arria II GX devices, the data rate must be less than 3,750 Mbps, and in Stratix IV devices, less than 6,375 Mbps.

Table 7.  Data Rate Dependencies on Transfer Size
Devices Data Rate
2.5 Gbps 3.125 Gbps 3.75 Gbps 5 Gbps 6.375 Gbps
Arria II GX TSIZE= 1, 2 TSIZE= 2 TSIZE= 2 Not Supported Not Supported
Stratix IV GX TSIZE= 1, 2 TSIZE= 2 TSIZE= 4 TSIZE= 4 TSIZE= 4
Stratix IV GT TSIZE= 2 TSIZE= 4 TSIZE= 4 TSIZE= 4

The data rates for an individual Arria II GX device are limited to the respective speed grades,

Table 8.  Arria II GX Speed Grade-Data Rate Limits
Device Speed Grade Minimum Data Rate (Mbps) Maximum Data Rate (Mbps)
C4 600 3,750
C5 600 3,125
C6 600 3,125