Intel® Quartus® Prime Pro Edition User Guide: Power Analysis and Optimization

ID 683174
Date 6/22/2022
Public
Document Table of Contents

2.1.4.3. Number and Type of Global Signals

Global signal networks span large portions of the device and have high capacitance, resulting in significant dynamic power consumption. The type of global signal is important as well. Global clocks cover the entire device, whereas quadrant clocks only span one-fourth of the device. Clock networks that span smaller regions have lower capacitance and tend to consume less power. The location of the logic array blocks (LABs) driven by the clock network can also have an impact because the Intel® Quartus® Prime software automatically disables unused branches of a clock.

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