Abstract:The in-memory logic computing has been intensively studied as being considered as an important scenario to address the power-consumption issue posed by modern computers based on the von Neumann architecture. However, the realization of in-memory logic computing is generally based on memristors prepared by vacuum techniques and the implementation of logic operation requires multiple cycles of voltage pulses, which limits the computing efficiency. In addition, the logic architectures that cannot be mapped into l… Show more
“…However, at present, there is still no single, accepted standard for designing logic circuits, and the memory and computing integration architecture based on memristors still needs to mature. Popular logic circuit design techniques for memristor logic circuits include [32][33][34] assisted logic (MAGIC), [35] material implication logic (IMP), [36] and memristor ratioed logic (MRL). [37] Compared with IMP logic and MRL logic, MAGIC logic composed only of memristors cannot realize cascades between multiple logic gates and multiple fanouts for structural reasons.…”
The logic circuit is the main component of an integrated circuit chip that dictates the operation and performance of the chip. The logic circuit based on a memristor can improve the integration and operation speed of the existing integrated circuit and reduce the chip size and the number of devices used by a single logic circuit. However, most of the research on logic circuits based on memristors has focused only on simulations, and research on the realization of logic circuits by hardware using actual memristors is limited. In this paper, a memristor based on graphene oxide with stable complementary resistive switching characteristics is fabricated, a logic circuit is built by using this device, and the logic functions of “IMP,” “AND,” and “NOR” are successfully realized. The complementary resistive switching device can alleviate the severe power loss caused by the memory separation of the von Neumann architecture. Moreover, its unique structure enables it to realize material logic independently without the use of multiple memristors and resistors, providing a new scheme for the physical realization of logic circuits. It also opens up a new path for integrated chips to break through von Neumann architecture.
“…However, at present, there is still no single, accepted standard for designing logic circuits, and the memory and computing integration architecture based on memristors still needs to mature. Popular logic circuit design techniques for memristor logic circuits include [32][33][34] assisted logic (MAGIC), [35] material implication logic (IMP), [36] and memristor ratioed logic (MRL). [37] Compared with IMP logic and MRL logic, MAGIC logic composed only of memristors cannot realize cascades between multiple logic gates and multiple fanouts for structural reasons.…”
The logic circuit is the main component of an integrated circuit chip that dictates the operation and performance of the chip. The logic circuit based on a memristor can improve the integration and operation speed of the existing integrated circuit and reduce the chip size and the number of devices used by a single logic circuit. However, most of the research on logic circuits based on memristors has focused only on simulations, and research on the realization of logic circuits by hardware using actual memristors is limited. In this paper, a memristor based on graphene oxide with stable complementary resistive switching characteristics is fabricated, a logic circuit is built by using this device, and the logic functions of “IMP,” “AND,” and “NOR” are successfully realized. The complementary resistive switching device can alleviate the severe power loss caused by the memory separation of the von Neumann architecture. Moreover, its unique structure enables it to realize material logic independently without the use of multiple memristors and resistors, providing a new scheme for the physical realization of logic circuits. It also opens up a new path for integrated chips to break through von Neumann architecture.
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