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Altera_Forum
Honored Contributor I
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Cyclone I/O leakage current

What is the Cyclone I/O leakage current, when there is no power to the device?

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Altera_Forum
Honored Contributor I
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Since the device is not powered, the internal hot socketing signal is active, thus tri-stating the output buffer. The weak pull-up may have some leakage, but it should be minimal since VCCIO is tri-stated. The static leakage is expected to be close to zero (or at least below the 10uA spec) based on design.

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