AR# 19450

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CPLD CoolRunner-II - What input voltage can induce latch-up?

Description

High voltage spikes (above the Vin maximum listed in the data sheet) can cause the device inputs to latch-up. What is the value that needs to be exceeded for this to occur?

Solution


If the input voltage exceeds 8 Volts the input can latch-up.

It is not recommended to exceed the Vin maximum limits specified in the data sheet, as this will damage the I/O buffer over time.
AR# 19450
Date 09/19/2017
Status Active
Type General Article
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