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AR# 3165

XC4000EX/XL: Some BUFGEs (Eearly buffers) are faster than others

Description

The BUFGEs 3, 4, 7, and 8 are faster than the BUFGEs 1, 2, 5
and 6. The speed difference is about 10%.
You can find out what BUFGE number corresponds to a specific
pin number by referring to the PGCK# pin on the package
pinouts.

Solution

AR# 3165
Date Created 12/08/1997
Last Updated 01/12/2003
Status Archive
Type General Article