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  3. AR# 12653: 4.1i CPLD XC9500XL - "-5" timing values have changed to match data sheet values

AR# 12653

4.1i CPLD XC9500XL - "-5" timing values have changed to match data sheet values

Description

Keywords: CPLD, XC9500XL, -5, timing

XC9500XL speed grade "-5" timing values have been corrected to match device data sheets.

Solution

The original XC9500XL-5 speed files in 3.1 had overly aggressive tCO and fSYS timing that did not match the published data sheet values. The speed in subsequent software contain the correct values for the parameters.
AR# 12653
Date 07/17/2006
Status Archive
Type ??????