2024年4月13日 · This work presents a design of a highly efficient RAM cell in QCA, utilizing a combination of a 3-input and 5-input Majority Voter (MV) gate, together with a 2 × 1 Multiplexer (MUX).

In this paper we have designed and implemented QCA memory such as hybrid memory. Quantum dot cellular automata nanotechnology which is most innovative technology in today's world. Hybrid memory is designed to overcome the demerits of the serial and parallel memories.

Abstract: This paper presents a novel Quantum Dot Cellular Automata (QCA)-based Random Access Memory (RAM) cell design that enhances output voltage performance using a loop structure with a D-latch and specialized multiplexer configurations. It discusses QCA's advantages over CMOS technology in terms of area and power dissipation, making it ...

2023年12月1日 · Our findings demonstrate that the USE-based RAM cell design exhibits an impressive fault tolerance of 95.52% against single-cell omission defects, making it a robust choice for the implementation of reliable RAM architectures.

2022年12月20日 · A content-addressable memory (CAM), which is an efficient memory cell structure for this purpose, in a quantum computing environment, is designed based on quantum-dot cellular automata (QCA). A CAM cell is composed of a memory unit that stores information, a match unit that performs a search, and a structure, using an XOR gate or an XNOR gate ...

2019年11月9日 · In this paper, by constructing a feedback loop of QCA cells, a novel structure for loop-based RAM cell in the QCA technology is attained. The proposed RAM cell is made up of an SR-latch as the basic component for implementation of a loop-based structure.

2020年7月3日 · Designing circuits in QCA technology with minimum costs such as cells count and the area is very important. This paper presents novel structures of D-latch and D-Flip Flop with the lower area and cell count. The proposed Flip-Flop has SET and RESET ability.

Therefore, there are five main types to provide systematic reviews about the QCA-based memories; including read only memory (ROM), register, flip-flop, content addressable memory (CAM) and random access memory (RAM).

The line-based memory around QCA provides a significant improvement over the conventional memory architectures, because of its bi-directional flow of signals. This work proposes a more efficient memory design around line based memory introducing parallel read.

2019年10月9日 · The unique properties of the QCA technology such as low dissipated power, speed, and the small feature size were the reason for considering it as a CMOS alternative in this work. In this paper, a new layout for five input single layer majority gate is proposed.