What is CMOS Inverter?
CMOS, short for Complementary Metal-Oxide-Semiconductor, is the type of silicon chip electronics technology that has been used in many devices, which handle signal passing in their circuits.
For many electronic devices, a CMOS serves as the brain. It is a small but very significant part that regulates the flow of signals through circuits. CMOS helps in controlling the actions of electronic devices based on the signals they receive, much as our brain instructs our bodies on what to do.
Types of CMOS Inverter
- Conventional CMOS Inverter: A single series-connected NMOS and PMOS transistor forms up a conventional CMOS inverter.
- Static CMOS Inverter: In this kind of inverter, the circuit always contains both PMOS and NMOS transistors. Its low power usage and high noise immunity are a result of this condition.
- Dynamic CMOS Inverter: These inverters allow higher speeds but may use more power than static CMOS inverters since they use a clock signal to control the behavior of the transistors.
- Pseudo-NMOS Inverter: This configuration is simpler, but it requires more power due to employing only an NMOS transistor for pull-down and a resistor for pull-up.
CMOS Inverter
The CMOS inverter is crucial in electronics, employed in memory chips and microprocessors among others. It generates complementary outputs whenever there are input signals through it. These inverters allow flexibility among circuit designers because they can be classified into many categories depending on their abilities and arrangements.
For their functionality, NMOS and PMOS transistors should counteract each other whereby they may react to input voltages by oscillating between conductive and non-conductive modes. Silicon substrates are host to connecting metal layers, transistors, and resistors in CMOS inverter components.
This article discusses what a CMOS inverter is. We will cover its classification, working principles, components, structure, and terminology. Advantages and disadvantages of a few FAQs are also included here.
Table of Content
- CMOS Inverter
- Schematic Diagram
- Operations
- Working
- Characteristics
- Components
- Important Terminologies
- Advantages
- Disadvantages
- Applications
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