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AR# 19812

CPLD XC9500/XL/XV XPLA3 CoolRunner-II - Can you drive the inputs of an unpowered CPLD without damaging the device?

Description

Description:

Can you drive the inputs of an unpowered CPLD without damaging the device?

Solution

XC9500: This can be done, provided Vin does not exceed the Vin limits of the CPLD.

XC9500XL: This can be done, provided Vin does not exceed VCCINT by more than 4.0V.

XC9500XV: This can be done, provided Vin does not exceed the Vin limits of the CPLD.

CoolRunner XPLA3: This can be done, provided Vin does not exceed VCCINT by more than 4.0V.

CoolRunner-II: This can be done, provided Vin does not exceed the Vin limits of the CPLD.

AR# 19812
Date Created 09/03/2007
Last Updated 12/15/2012
Status Active
Type General Article