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Impact of on-chip inductance on power supply integrity
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Abstract. Based on product related scenarios, the impact of on-chip inductance on power supply integrity is analyzed. The impact of varying current profiles is shown to be minimal. In a regular power grid with regular bump connections, the impact of on-chip inductance on the cycle average of the supply voltage can be neglected, even for a worst case estimation of on-chip inductance. Whereas, the maximum transient power supply drop can be significantly underestimated by neglecting on-chip inductance. The impact of on-chip inductance in a System-on-Chip (SoC) environment also can be neglected if the on-chip inductance is conservativly estimated.
Title: Impact of on-chip inductance on power supply integrity
Description:
Abstract.
Based on product related scenarios, the impact of on-chip inductance on power supply integrity is analyzed.
The impact of varying current profiles is shown to be minimal.
In a regular power grid with regular bump connections, the impact of on-chip inductance on the cycle average of the supply voltage can be neglected, even for a worst case estimation of on-chip inductance.
Whereas, the maximum transient power supply drop can be significantly underestimated by neglecting on-chip inductance.
The impact of on-chip inductance in a System-on-Chip (SoC) environment also can be neglected if the on-chip inductance is conservativly estimated.
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