Memristor Definition:-
Conceptual symmetry between the resistor, capacitor, inductor, and the memristor..
A memristor circuit requires lower voltage and less time to turn on than competitive memory like DRAM and flash.
According to the original 1971 definition, the memristor was the fourth
fundamental circuit element, forming a non-linear relationship between
electric charge and magnetic flux linkage.
What is memristor?
Ans.As its name implies, the memristor can "remember" how much current has passed through it. And by alternating the amount of current that passes through it, a memristor can also become a one-element circuit component with unique properties. Most notably, it can save its electronic state even when the current is turned off, making it a great candidate to replace today's flash memory.
The memristor definition is based solely on the fundamental circuit variables of current and voltage and their time-integrals, just like the resistor, capacitor and inductor. Unlike those three elements however, which are allowed in linear time-invariant or LTI system theory, memristors of interest have a dynamic function with memory and may be described as some function of net charge. There is no such thing as a standard memristor. Instead, each device implements a particular function, wherein the integral of voltage determines the integral of current, and vice versa. A linear time-invariant memristor, with a constant value for M, is simply a conventional resistor.Like other two-terminal components, real-world devices are never purely memristors ("ideal memristor"), but also exhibit some amount of capacitance, resistance and inductance.
Memristors
will theoretically be cheaper and far faster than flash memory, and
allow far greater memory densities. They could also replace RAM chips as
we know them, so that, after you turn off your computer, it will
remember exactly what it was doing when you turn it back on, and return
to work instantly. This lowering of cost and consolidating of components
may lead to affordable, solid-state computers that fit in your pocket
and run many times faster than today's PCs.
Symbol:-
Someday the memristor could spawn a whole new type of computer,
thanks to its ability to remember a range of electrical states rather
than the simplistic "on" and "off" states that today's digital
processors recognize. By working with a dynamic range of data states in
an analog mode, memristor-based computers could be capable of far more
complex tasks than just shuttling ones and zeroes around.
Beyond that, memristors will likely replace both DRAM and hard disks.
The technology, called memristor, could allow computers to make decisions by understanding past patterns of data it has collected, similar to human brains collecting and understanding a series of events.
For example, a memristor circuit could be capable of telling a microwave the heating time for different food types based on the information it has collected over time, said Stanley Williams, senior fellow at HP.
For example, a memristor circuit could be capable of telling a microwave the heating time for different food types based on the information it has collected over time, said Stanley Williams, senior fellow at HP.
A memristor circuit requires lower voltage and less time to turn on than competitive memory like DRAM and flash.
