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S/N: 10080 Last Updated: Mar 18, 2016

Is an IC occurred a latch-up?

Disclaimer

An IC is generated a latch-up by an over-voltage or a reverse voltage.

It might be destroyed by a latch-up phenomenon.

An IC is generated parasitic transistor in internal by occurring an over voltage or a reverse voltage.
Triggering parasitics transistor occurrs a latch-up.

Not only CMOS IC but also Bipolar IC might be occurred a latch up, if it exceeds absolute maximum ratings.
Therefore, an IC must not apply a voltage exceeding maximum ratings.

The figure shows the cross sectional structure of a bipolar technology structure IC.

Bipolar Technology Bipolar Technology
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