Differential 1T2M memristor memory cell for single/multi-bit RRAM modules

This paper presents a novel memristor-based 1T2M differential memory cell for single and multi-bit data storage. A comparison of the 1T2M cell with similar works is presented. Write, read and repeated read operation modes of the 1T2M cell are explained, and simulation results are shown. A complete RRAM module based on the differential 1T2M cell is designed, and presented with simulation results. The proposed RRAM module is found compatible with a conventional 6T SRAM architecture in terms of speed and pinout. However, the 1T2M RRAM architecture saves area, and is more power efficient. Additionally, a multi-bit 1T2M RRAM is proposed and presented, the modifications on I/O circuitry are explained, and simulation results are shown.