Thursday 9 February 2023

Low Power Design Techniques Used in Physical Design

 

Low power design techniques are used in physical design to minimize the power consumption of digital circuits and systems. The objective of low power design is to reduce the power dissipation while maintaining or improving the circuit performance. Some of the common low power techniques used in physical design are:

Power gating: This technique involves turning off the power supply to blocks of the circuit that are not in use, reducing the overall power consumption.

Clock gating: This technique involves stopping the clock signal to blocks of the circuit that are not in use, reducing the dynamic power consumption.

Voltage scaling: This technique involves reducing the operating voltage of the circuit to reduce its power consumption.

Multi-Vt cell libraries: This technique involves using cells with different threshold voltages in the design to reduce the power consumption.

Power-aware placement and routing: This technique involves optimizing the placement and routing of the circuit to reduce the power consumption.

Power-aware floorplanning: This technique involves optimizing the floorplan of the circuit to reduce the power consumption.

Power-aware synthesis: This technique involves optimizing the logic synthesis of the circuit to reduce the power consumption.

Power-aware testing: This technique involves optimizing the testing of the circuit to reduce the power consumption.

These techniques can be used in combination to achieve a significant reduction in power consumption in physical design.

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