A Unified Flash Memory Platform for Mode‐Adaptive and Robust AI Computation

Le résumé fourni par la source

Computing-in-memory (CIM) architectures offer a promising route toward energy-efficient artificial intelligence by reducing data-movement overhead. However, most existing CIM hardware operates at a fixed trade-off between accuracy, energy efficiency, and robustness, limiting adaptability to diverse workloads. Here, we present a dual-mode CIM accelerator based on an AND-type charge-trap flash array that enables energy-adaptive operation without device-level structural modification. By integrating transistor-mode current sensing and capacitor-mode charge sensing in the same device structure, the proposed architecture allows flexible switching between high-precision computation and ultra-low-power, noise-resilient operation within a single hardware platform through peripheral switching associated with each sensing mode. Experimental results demonstrate reliable vector-matrix multiplication, hardware neural network inference, and strong tolerance to device and voltage variations. System-level benchmarking further confirms improved energy efficiency and reduced peripheral overhead. This work establishes a practical and scalable CIM platform that dynamically balances performance and robustness, providing a versatile foundation for energy-adaptive artificial intelligence (AI) hardware.

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