My scientist invented a new single transistor logic structure
The research team of Fudan University has recently made a breakthrough in the field of integrated circuit basic research. They invented a new logic structure that allows a single transistor to "work one person for two people", which reduces the area of ​​the transistor by 50%, and the synchronization of storage calculations is further improved. If it is successfully industrialized, it will promote the development of integrated circuits towards lighter, faster, smaller and lower power consumption. Related research results have been published online in "Nature · Nanotechnology".
"The core content of this research work is to use atomic crystal molybdenum sulfide to make a new structure transistor. On this basis, the team invented a new single transistor logic structure, and realized the logical AND of AND on the single transistor. Or '.' Said Zhou Peng, a professor at the School of Microelectronics at Fudan University.
"And" and "or" are the most basic logical units that constitute a computing system. The research work reduced the area of ​​the transistor by 50%, which effectively reduced the cost. Whereas two independent transistors were needed to realize the logic function, now only one transistor is needed. The study also found the logic characteristics of transistors that can be controlled by the number of layers, and provides optical switching logic function options.
According to reports, this new logic architecture can solve the problem of data transmission blocking bottlenecks through a device-level storage and computing integrated path, breaking through the limitations of the von Neumann architecture in existing logic systems. In this regard, Zhou Peng made an analogy: "Originally, we needed two rooms to run the calculation and storage of data, but now all the calculation and storage of data are solved in the same room." That is, "layer" work in layers, first The layer is responsible for calculation, the second layer is responsible for storage, and the two surface layers form a stack in the vertical space.
"Like two papers stacked together, they are stacked in space. The calculation and storage of data are only relatively elevated in place. The channel current of the calculation layer can affect the storage layer, so as to get rid of transmission. Link, realize the integration of storage and calculation, in-situ storage. "Zhou Peng said.
According to reports, if the single-transistor logic structure research can continue to be promoted and applied to large-scale production, it will promote the development of integrated circuits in the direction of lighter, faster, smaller and lower power consumption. (Reporter Wu Zhendong)
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