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CMOS logic devices are designed to be low powered. If you are interested in a low powered solution for your design, check out our AUP and HCS family of logic parts.
If you are interested in learning what the maximum power dissipation before thermal failure is, follow the FAQ link provided here:
There are two components to determine the power consumption of your CMOS schematic:
The following slide shows all the equations required to calculate both of these types of power consumption.
Static power consumption:
CMOS Logic devices have very low static power consumption. This is the DC current consumption which the device consumes while it is on and no inputs are switching. Static power consumption is typically due to leakage currents and so it can be quickly calculated using the current flowing into the device, Icc. This value can be found in the datasheet for the Vcc you are operating at.
Dynamic Power Consumption:
For a more detailed explanation, refer to the following appnote:
Here is an Excel calculator that you can quickly plug in the above values to calculate your power consumption:
Power Cosumption Calculator.xlsx
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