power cunsumption

pmos consumes less power or nmos? clarify?

Asked By: babul_bbc
On: Jun 13, 2004 5:29:13 AM

Comments(2)

I guess the answer is: when the NMOS is on the load capacitance dischargees through the NMOS and thus no energy is drawn from the power supply. thus the power dissipation is less while in PMOS, the capacitor is charging and draws the energy from the power supply, thus the power consumption is more in PMOS rather than NMOS

Comment By: rskurane
On: Jun 6, 2005 7:44:55 PM

As the mobility of an electron is 2 or 3 times greater than a hole, the transconductance of NMOS is 2 or 3 times greater than PMOS. Hence NMOS consumes less power for the same amount of current.

Comment By: deepak002
On: Jun 14, 2004 1:47:39 PM

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