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AR# 11503

3.1i Virtex MAP - An inversion is not pushed forward into the data input of a Slice RAM.

Description

Keywords: inversion, inverter, RAM, slice, distributed, push, pushed

Urgency: Standard

General Description:
MAP fails to push an inversion forward into the data input of a Slice RAM. (The inversion was implemented in a separate slice, leading to timing problems.)

NOTE: This issue affects the Virtex, Virtex-E and Spartan-II device architectures.

Solution

This problem is fixed in the latest 3.1i Service Pack, available at:
http://support.xilinx.com/support/techsup/sw_updates.
The first service pack containing the fix is 3.1i Service Pack 8.
AR# 11503
Date Created 05/01/2001
Last Updated 08/19/2002
Status Archive
Type General Article