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A memristor (/ ˈ m ɛ m r ɪ s t ər /; a portmanteau of memory resistor) is a non-linear two-terminal electrical component relating electric charge and magnetic flux linkage.It was described and named in 1971 by Leon Chua, completing a theoretical quartet of fundamental electrical components which also comprises the resistor, capacitor and inductor.
While the memristor is defined in terms of a two-terminal circuit element, there was an implementation of a three-terminal device called a memistor developed by Bernard Widrow in 1960. Memistors formed basic components of a neural network architecture called ADALINE developed by Widrow. [1] [2] The memistor was also used in MADALINE.
Stan Williams of HP Labs also argued that ReRAM was a memristor. [21] However, others challenged this terminology and the applicability of memristor theory to any physically realizable device is open to question. [22] [23] [24] Whether redox-based resistively switching elements (ReRAM) are covered by the current memristor theory is disputed. [25]
It is a combination of the memristor and transistor technology. [2] This technology is different from the 1T-1R approach since the devices are merged into one single entity. Multiple memristors can be embedded with a single transistor, enabling it to more accurately model a neuron with its multiple synaptic connections.
Passive elements: Capacitor; Inductor; Memristor; Resistor; Transformer; Active elements: Diode. Zener diode; Light-emitting diode; PIN diode; Schottky diode ...
Pages for logged out editors learn more. Contributions; Talk; Memristors
Only nine types of element (memristor not included), five passive and four active, are required to model any electrical component or circuit. [2] Each element is defined by a relation between the state variables of the network: current , I {\displaystyle I} ; voltage , V {\displaystyle V} ; charge , Q {\displaystyle Q} ; and magnetic flux , Φ ...
The current–voltage characteristics of four devices: a resistor with large resistance, a resistor with small resistance, a P–N junction diode, and a battery with nonzero internal resistance.