Resistive memory with a plurality of resistive random access memory cells each comprising a transistor and a resistive element
Abstract:
A method of forming a semiconductor structure includes forming a plurality of vertical field-effect transistors (VFETs) disposed on a substrate and forming a plurality of resistive elements disposed over top surfaces of the VFETs. Each pair of a given one of the plurality of VFETs and a corresponding resistive element disposed over the given VFET provides a resistive random access memory (ReRAM) cell. The VFETs are arranged in two or more columns and two or more rows, wherein each column of VFETs provides a bitline of the ReRAM cells sharing a bottom source/drain region and wherein each row of VFETs provides a wordline of the ReRAM cells sharing a gate. Top source/drain regions of the VFETs provide bottom contacts for the resistive elements disposed over the VFETs.
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