Estimate Power of CMOS Inverter Circuit - 0.12um Tech

AI Thread Summary
To estimate the power of a CMOS inverter circuit using 0.12um technology, SPICE is recommended for simulation, provided you have the necessary modeling parameters from your IC process. Dynamic power is calculated using the formula dynamic power = Vdd² * CL * f, where CL is the load capacitance and depends on parasitic capacitance, including internal capacitances, wire capacitance, and load capacitance. Determining wire capacitance for a specific technology can be complex, but it typically involves consulting technology-specific resources or tools. Freeware options for simulation may be available, though specific recommendations were not provided in the discussion. Accurate power estimation requires careful consideration of all capacitance components in the circuit.
bilalarif
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I want to estimate the power of a CMOS inverter circuit. I want to ask that is there any software for simulation purpose to give the power of CMOS inverter.

The second problem I have is that when you calculate the dynamic power of CMOS
dynamic power = Vdd2*CL*f
This dynamic power depends upon the parasitic capacitance . The total parasitic capacitance is equal to sum of internal capacitances of the CMOS + wire + load.

I am using 0.12um technology to implement my circuit. My question is about wire capacitance that how to determine the wire capacitance for given technology .
 
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bilalarif said:
I want to estimate the power of a CMOS inverter circuit. I want to ask that is there any software for simulation purpose to give the power of CMOS inverter.

The second problem I have is that when you calculate the dynamic power of CMOS
dynamic power = Vdd2*CL*f
This dynamic power depends upon the parasitic capacitance . The total parasitic capacitance is equal to sum of internal capacitances of the CMOS + wire + load.

I am using 0.12um technology to implement my circuit. My question is about wire capacitance that how to determine the wire capacitance for given technology .

Welcome to the PF. You can use SPICE to simulate the inverter circuit. You will need the modeling parameters from your particular IC process, however. Those should be available to you -- you can generally get them from the IC fab vendor.
 
can u tell me any freeware for simulation.
 
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