Altera Device-Specific Power Delivery Network Manuel d'utilisateur télécharger pdf (Page 7)

Tab Description

System_Decap The principal tab that allows you to decouple your system. It

displays by default when you launch the application. This tab

provides an interface to enter your power sharing scheme for a

selected FPGA device and derive the decoupling based on the

input.

Stackup Provides an interface to enter your stackup information into the

PDN tool.

Library Points to various libraries (capacitor, dielectric materials, and so

on) that are called by other tabs. You can change the default

values listed as part of these libraries.

BGA_Via Provides an interface to calculate the BGA mounting inductance

based on design-specific via parameters and the number of vias.

Plane_Cap Provides an interface to calculate the plane capacitance based on

design-specific parameters.

Cap_Mount Provides an interface to input design-specific parameters for

calculating the capacitor mounting inductance for two different

capacitor orientations (Via on Side [VOS] and Via on End

[VOE]).

X2Y_Mount Provides an interface to input design-specific parameters for

calculating the capacitor mounting inductance for X2Y type

capacitors.

Enlarged_Graph Provides an enlarged view of the Z-profile shown in the System_

Decap tab.

System_Decap

You can determine the decoupling of selected FPGA devices based on the power sharing scheme entered

in the System_Decap tab.

The System_Decap tab is divided into the following sections:

• Device selection

• Power rail data and configuration

• VRM Data

• Rail group summary

• VRM Impedance

• BGA Via

• Plane

• Spreading

• F

EFFECTIVE

• Decoupling selection

• Result summary

UG-01157

2015.03.06

System_Decap

Device-Specific Power Delivery Network (PDN) Tool 2.0 User Guide

Altera Corporation

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Altera Device-Specific Power Delivery Network Manuel d'utilisateur Page 7

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