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AR# 2585

XC1700D: Driving inputs when VCC is down should be avoided



General Description: Are there any concerns with driving

the inputs when VCC is down on the XC1700 proms?


The inputs on the XC1700 proms have protection diodes.

Driving the inputs when VCC is down will activate the

diodes and can result in large currents. Prolonged

exposure to these currents can result in metal migration

and reliability issues.

AR# 2585
Date 05/08/2014
Status Archive
Type General Article
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