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[20 pts] Cadence& Eldo total power measurement

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AdvaRes

AdvaRes

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dynamic power dissipation+eldo

Hi members,

I was simulating a dff based register in order to measure the total power that it consume.
The circuit uses a power supply of 2.5V. I use the clip+Average functions of the calculator and I found that the current at the GND node is -4.5 E-4 A.
So I calculated the Total power by multiplying Vdd*GND's measured current which gives 2.5*4.5=11.25E-4 W

Loking at the simulation report Eldo says that the TOTAL POWER DISSIPATION (W) is 18 E-5 A

Could you please clarify how does Eldo calulated this ?

Thanks in advance.
 

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