研究目的
To propose a novel devices-to-circuits simulation framework (FANTASI) for fast estimation of write error rates (WER) in spintronic devices and circuits, enabling efficient device-circuit co-design.
研究成果
FANTASI enables fast and accurate estimation of WER in spintronic devices, validated against experimental data, and facilitates analysis of variations and energy efficiency, with potential for ultra-fast switching at low energy.
研究不足
The paper does not explicitly state limitations, but potential areas include the need for precise calibration and assumptions in modeling thermal noise and material parameters.
1：Experimental Design and Method Selection:
The framework uses a modified Fokker-Planck equation (FPE) to model the probability density function (PDF) of magnetization, capturing deterministic and stochastic behaviors. It integrates with SPICE simulations for circuit interactions.
2：Sample Selection and Data Sources:
Calibration is done using experimental data from STT MRAM and VCMA-based MTJs, with parameters listed in tables.
3：List of Experimental Equipment and Materials:
Not specified in the paper.
4：Experimental Procedures and Operational Workflow:
SPICE simulations provide electrical stimuli; the FPE solver estimates WER in a single run, reducing the need for Monte Carlo samples.
5：Data Analysis Methods:
Numerical solution of FPE, comparison with experimental measurements, and analysis of process, voltage, and temperature variations.
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