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ID: 178
实例类型: faq
分类: Device Modeling
相关: IBIS
产品系列: All CPLD

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The voltage ranges in the IBIS model files typically extend beyond the limits specified in the device datasheets. Can these voltages be applied to the device?

No. The datasheet limits must never be exceeded.

The IBIS standard generally specifies the range used for data points to be from -Vcc to 2*Vcc. This range is used to model the I/O behavior in more detail, and is independent of the actual device limits.

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