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AR# 4934

Foundation F1.5i, Virtex: Virtex schematic library update for F1.5i

Description

Keywords: virtex, adsu, add, acc, counter, library

Urgency: Hot

General Description:

The following macros are implemented incorrectly in the
Virtex schematic library in the shipped version of F1.5i:

ADD4/8/16
ADSU4/8/16
ACC4/8/16
CC8/16C/LE/D

The problems involve improper connections with respect to the carry logic.

Solution

There is an updated library available to correct these problems. This
update may be downloaded at:
(http://www.xilinx.com/txpatches/pub/swhelp/foundation/virt_lib1.zip)

There is a Readme file contained in the ZIP file with instructions for
installing.
AR# 4934
Date Created 10/29/1998
Last Updated 03/07/2002
Status Archive
Type General Article