Article ID: 000074086 Content Type: Product Information & Documentation Last Reviewed: 09/05/2012

How does input/output buffer information specification (IBIS) model ESD (Electrostatic Discharge) structure in an input/output (I/O) buffer?

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Description The ESD protection diodes are embedded in the clamping curves ([POWER clamp] and [GND clamp]). The IBIS specification requires that the I/V data to spread over the full -vcc to 2*vcc range. It is important that the simulation sweep range be sufficient to forward bias the ESD protection diodes.

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