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it becomes a buffer

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Q: What happens if you interchange pmos and nmos in a cmos inverter?
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Is cmos a combination of both nmos and pmos?

yes


What are the differences between nmos and pmos transistors?

NMOS is built with n-type source and drain and a p-type substrate, while PMOS is built with p-type source and drain and a n-type substrate. In a NMOS, carriers are electrons, while in a PMOS, carriers are holes. When a high voltage is applied to the gate, NMOS will conduct, while PMOS will not. Furthermore, when a low voltage is applied in the gate, NMOS will not conduct and PMOS will conduct. NMOS are considered to be faster than PMOS, since the carriers in NMOS, which are electrons, travel twice as fast as holes, which are the carriers in PMOS. But PMOS devices are more immune to noise than NMOS devices. Furthermore, NMOS ICs would be smaller than PMOS ICs (that give the same functionality), since the NMOS can provide one-half of the impedance provided by a PMOS (which has the same geometry and operating conditions).


What are the advantages of CMOS over TTL circuit?

The major advantage of CMOS over previous digital logic families (NMOS, TTL, RTL etc.) is that CMOS has almost no static current. Since CMOS only draws power during a transition, low-power devices -- such as wristwatches -- typically use CMOS at low transition rates (lower losses). Even devices that run at very high speeds often have lower power consumption with CMOS than other digital logic families, because typically only a few gates make a transition at a time -- the vast majority of gates that don't transition save more than enough energy to make up for the few gates that transition and briefly consume more energy than TTL gates.


What is the function of CMOS?

CMOS (Complementary Metal Oxide Semiconductor) is a technology for making solid state devices such as integrated circuits. People who aren't electrical engineers are probably most familiar with the term from its use in the part of a computer that stores configuration information. CMOS devices use less power to maintain their state than do alternative technologies such as TTL and NMOS, making a CMOS memory chip a good place to keep data that needs to be retained even when the computer is turned off and unplugged (a small battery is used to supply power to the CMOS chip). The CMOS settings include things like the parameters for hard drives (more important in older drives, when autodetection was less common and the number of cylinders, heads, and sectors often needed to be set manually) and information about on-board devices that need to be accessible before the operating system itself is loaded.


Why a NMOS transistor pass strong 0 but week 1?

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Related questions

What are the advantages of CMOS inverter over nMOS inverter?

Cmos inverter has very less power consumption when it is idle where as nmos inverter still consume power when idle.


What is the difference between cmos and nmos?

CMOS and NMOS are two logic families. As the name itself indicates, CMOS is complementary Metal Oxide Semiconductor technology. It uses both PMOS and NMOS transistors for design. Whereas, NMOS logic family uses only NMOS FETs for design.


Is cmos a combination of both nmos and pmos?

yes


What are the Disadvantages of cmos over pmos and nmos?

CMOS is Complementary Metal Oxide Semiconductor technology. It is widely used logic family for implementing digital logic. CMOS uses both PMOS and NMOS transistors within it. The advantage is speed but the disadvantage is power consumption.


What are the Advantages of cmos over pmos and nmos?

* reduce the complexity of the circuit* low static power consumption* high noise immunity* high density of logic function on a chipThe most important advantage of CMOS is the very low static power consumption in compare with NMOS technology. On the other hand, CMOS technology is more complex to fabricate then NMOS technology, so it is more expensive. However, almost every todays digital circuits are CMOS. You want to use NMOS only when you want to fabricate fast and low-cost a simple circuit. The most important advantage of CMOS is the very low static power consumption in compare with NMOS technology. On the other hand, CMOS technology is more complex to fabricate then NMOS technology, so it is more expensive. However, almost every todays digital circuits are CMOS. You want to use NMOS only when you want to fabricate fast and low-cost a simple circuit.


What are advantages of transmission gate logic over Cmos logic?

cmos logic circuit uses particularly pmos or nmos viz. passes strong 1 and strong zero respectively and also degraded zero's and one's in their respective cases of p and nmos so to remove deggraded output the nmos and pmos are combined together for strong output level


What is difference between inverter and buffer?

if you connect Nmos and Pmos other way around then it act as buffer


What happens if you change pmos to nmos and nmos to pmos in cmos?

It will act like a buffer but not the exact buffer. Since nmos conduct logic 1 weakly and pmos conduct logic 0 weakly, the output ranges from vdd-vtn to vtp. For eg. If you apply 5v then the op will be 4.3 not the complete 5v. If you apply 0v then output will be 0.7v not 0 v. Hope this works


Why the resistance of PMOS is greater than NMOS?

because pmos has low mobility . the inverter threshold voltage can be shifted to the middle and the inverter is more symmetrical in terms of transistor times.


What is advantage of CMOS setup?

CMOS is a type of technology for constructing integrated circuits. One advantage of this setup is less waste heat compared to NMOS logic or transistor-transistor logic.


What is the start up memory chip called in a computer?

BIOS - Basic Input Output System - Usually CMOS but can be NMOS, PMOS or MOSFET


How can you implement c-bicmos using nand gate?

draw its cmos equivalent and give its output to pull up bjt.then draw nmos block of the logic and connect its drain to

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