Article ID: 000077808 Content Type: Troubleshooting Last Reviewed: 08/29/2013

What is the difference between the Stratix IV GX devices in the -2 and -2X speed grades?

Environment

  • Stratix® IV GX FPGA
BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

The difference between the Stratix® IV GX devices in the -2 and -2X speed grades is the number of available transceiver channels.

The -2 device allows the use the transceiver CMU blocks to be used as transceiver channels.

The -2X device does NOT allow the use of CMU blocks to be used as transceiver channels.

In addition to the reduction of available transceiver channels in the Stratix IV GX -2X device, the data rates in the -2X are limited to 6.5Gbps.

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