AR# 9704


3.1i Virtex Speed Files - New Virtex Speed Files are available


Keywords: speed, speeds, Virtex, Virtex-E, Spartan-2

Urgency: Standard

General Description:
New Virtex and Spartan-2 speed files are available in the 3.1i service pack
addressing the following issues:

There is an underreporting for multiple IOBs connected to the global clk.

Virtex shift register CLK->Q delays are underreported by 0.822 nS on -6 grade.

Delays on nets using large chains of unbuffered singles are underreported.


This change is available in the latest 3.1i Service Pack available at:
AR# 9704
日期 12/07/2004
状态 Archive
Type 综合文章
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