Memristor Compact Model

Description

A compact model was developed, based on the two-dimensional kMC + TCAD simulations of filament dynamics in oxide memristors. The compact model allows circuit simulation in SPICE.

Device structure

Current-voltage characteristics (simulated)

Current-voltage characteristics (experimental comparison)

LTSPICE Model

Schematic

The memristor block is shown with parasitic series resistance and shunt resistance added.

IV Characteristics and State Variable

Forming operation is shown. Memristor current is in red, the state variables, NpSV and NnSV, are shown in green and blue respectively.