Differences between CMOS Technology and NMOS Technology
Aspect |
CMOS |
NMOS |
---|---|---|
Technology |
CMOS is an abbreviation which is used for Complementary Metal Oxide Semiconductor. |
NMOS is an abbreviation which is used for N-Channel Metal Oxide Semiconductor. |
Logic Levels |
The logic level of CMOS technology is 0 V / 5 V. |
The logic level of NMOS technology depends on the Beta ratio. |
Layout |
CMOS offers more regular layout. |
While NMOS offers irregular layout. |
Packing Density |
In CMOS, we have less packing density. |
While in NMOS, we have high packing density. |
Load/Drive Ratio |
The load/drive ratio in CMOS is 1:1 or 2:1. |
While the load/drive ration in NMOS is 4:1. |
Mode of Operation |
It make use of both depletion and enhancement mode transistors. |
It make use of enhancement mode transistors only. |
Characteristics |
The noise immunity offered by CMOS technology is higher. |
While the noise immunity offered by NMOS technology is lower. |
Transmission Time |
The transmission time offered by CMOS is higher than the NMOS. |
The transmission time offered by NMOS is slower than CMOS. |
Power Supply |
It requires less power supply voltages to function. |
It requires more power supply voltages to function. |
Transmission Gate Behavior |
It provides more efficient and reliable transmission gate behavior. |
It provides less efficient and unreliable transmission gate behavior. |
Pre-charging Scheme |
It makes use of dynamic pre-charging schemes. |
It does not make use of dynamic pre-charging schemes. |
Power Dissipation |
The power dissipation offered by CMOS is lower. |
While the power dissipation offered by NMOS is higher. |
Primary Use |
It is utilized in the digital integrated circuits. |
It is used in digital circuits, but nowadays they are used less. |
Difference between CMOS and NMOS Technology
In this article, we are going to know about CMOS and NMOS technology. We will explore what is CMOS technology and it’s advantages. Then we will look at NMOS technology and its advantages. Then we will have insights into the differences between the CMOS and NMOS technology.
Table of Content
- CMOS Technology
- Operation of CMOS
- NMOS Technology
- Operation of NMOS
- CMOS Vs NMOS Technology
- Applications of CMOS and NMOS
- Why CMOS Technology is Preferred?
Contact Us