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Realization of Logical NOT Based on Standard DRAM Cells for security-centric Compute-in-Memory applications

In this study, a novel method, Bi-mode Activation, is proposed to implement logical NOT. For the first time, this is achieved without the need in modifying Dynamic Random Access Memory (DRAM) cells and core peripheral circuits, making it possible to be adopted in existing commercial DRAMs. The proposed method is successfully validated through simulation. Combined with the recently-proposed OR operation, the XOR-based data encryption is demonstrated, which paves ways for future security-centric in-memory-computing.