The values are slightly lower than those obtained from software implementation 95% during training and 96. Mad gates memristor logic design using driver circuitry abstract. Foreword by leon chua ebook written by ioannis vourkas, georgios ch. Memristor enthusiasts hope the device will bring a new wave of innovation in electronics, packing even more bits into smaller volumes. However, all prior designs for memristor based gates have had shortcomings in terms of scalability, applicability, completeness, and performance. The proposed logic shows better area utilization and excellent results from existing cmos logic circuits at standard 1.
Many memristorbased circuit designs have been explored, such as crossbar nonvolatile memory 8 and fpga 9. Nanoscale memristive devices for memory and logic applications by sung hyun jo chair. The design methodology is based on a general design flow, suitable for all deterministic memristive logic families, and includes some additional design constraints to support the imply logic family. Memristor is a twoterminal either bipolar or unipolar passive element and is capable of being integrated as a combination of digitalanalog, storage element, and logic. Logic design of quantum circuits and memristor based. This paper introduces a novel design of basic ternary logic gates using memristor, which is a set of and, or, inverters, nor, and nand gates. Inmemory designing of delay and toggle flipflops utilizing. The qualitative design space of memristorbased storage structures is shown in figure 1. Full adder cell a logic diagram and implementation strategy using memristor cmos circuit construct and c simulation results. There he designed rockys boots, a computer game which taught digital logic design to upper gradeschool children, using an interactive, visual simulation. But we are learning at a tremendous pace, discovering new.
A novel design for memristor based logic gates and. Pdf memristorbased imply logic design procedure researchgate. In 1980, he cofounded the learning company, which became a major publisher of educational software in the 1980s and 1990s. A memristor is a twoterminal device with a variable resistance, which can be used in many applications including neuromorphic systems, logic circuits and digital memory. Memristors have been suggested as a novel route to neuromorphic computing based on the similarity between them and neurons specifically synapses and ion pumps. Abstract recently memristorbased applications and circuits are receiving an increased attention. Next, it overviews the stateoftheart on memristor based logic design styles. The simulated results of xnor logic using hspice simulation software with an electrical thresholdswitching memristor model is shown in supplementary figure s1c. Memristors would not totally supplant transistors but would supplement them in computer memories and logic circuits, and might also bring some form of analog information processing back into the world of computing. One possible solution to that problem could be choosing. Thus, the resulting circuit design can be electronically configured and reconfigured to implement any multiinputoutput. This allows a designer to simulate the circuit designs using. Presented optimized design for logic blocks using implymemristor. Memristor based unbalanced ternary logic gates springerlink.
Logic design within memristive memories using memristor. Programmable cmos memristor logic and hybrid current mirror logic can be used to implement threshold logic. In the logic design, memristorbased logic circuits create a new path for the exploration of new computing paradigm as well as architectures, and pose a. Neural networks used for neuromorphic applications are. The detailed realization method of 15 boolean logic except false in a 2. Aug 27, 2015 memristor based logic circuits open new pathways for the exploration of advanced computing architectures as promising alternatives to conventional integrated circuit technologies. Memristorbased nanoelectronic computing circuits and. Several new results on memristor modeling, memristive interconnections, logic circuit design, memory circuit architectures, computer arithmetic systems, simulation software tools, and applications of memristors in computing are presented. The contrast shows that a memristor acts like an inductor under some conditions. No design methodology exists, however, for memristorbased combinatorial logic. In short, the programming circuit will keep sending pulses with an adapted amplitude to program, then read the memristor until its resistance is. The design and analysis of adaptive synchronization for the new memristorbased chaotic system and its slave system are carried out. Full cmosmemristor implementation of a dynamic neuromorphic.
Apr 12, 2016 this paper introduces a novel design of basic ternary logic gates using memristor, which is a set of and, or, inverters, nor, and nand gates. Optimized implementation of memristorbased full adder by. Memristors have recently begun to be explored in arithmetic applications. We present a novel resistive memorythe transpose memory, which adds additional functionality to the memristive memory, and compare it with a conventional memristive memory.
Memristor is a passive nonvolatile electronic component, it possesses the property of both the memory and resistor. Memristors combine memory, logics set in one device ars. Pure memristivedesigns for d and t flipflops that have. Pdf digital logic synthesis for memristors researchgate. Improving tolerance to variations in memristorbased. Logic design within memristive memories using memristor aided. Phd student muayad aljafar supervises this project. Three topologies of memristor emulator circuits in their incremental and decremental versions are analysed and designed at low and high frequency. No design methodology exists, however, for memristor based combinatorial logic. This has led to the proliferation of battery operated powerful devices and newer applications that have changed the way we communicate and live.
In this work pure memristivedesigns for two most commonly used logic blocks delay d and toggle t flipflops using memristor aided logic magic design style have been proposed both the proposed designs are simulated in cadence virtuoso v 6. System design with memristor technologies materials. The 8bit iterative adder is designed in a new type of 8x8 nanowire crossbar, where, each adder bit is implemented in one row of the 8row crossbar network. In view of the challenges faced to minimize the gap between fpga and asic, this paper primarily focuses on the area and power efficiency improvement of fpga using memristortransistor hybrid approach. A variation tolerant scheme for memristor crossbar based neural network designs via twophase weight mapping and memristor programming. Right now i am working on several projects memristor modeling, memristorbased logic design, memristor crossbar design and analysis, and computer architecture in the memristor era memoryintensive computing. This logic family can be integrated within a memristorbased crossbar, commonly used for memory. Wei lu as the building block of semiconductor electronics, field effect transistor fet, approaches the sub 100 nm regime, a number of fundamental and practical issues start to emerge such as short channel effects that prevent the fet from operating properly and. This chapter introduces a design guide of memristor emulator circuits, from conceptual idea until experimental tests. In this paper, the design and behavior of a memristivebased logic gate an imply gate are presented and design issues such as the tradeoff between speed fast write times and.
Memristorcmos logic and digital computational components. The design methodology is based on a general design flow, suitable for all deterministic memristive logic families, and includes some additional design constraints to support. In this memristive logic family, each memristor is. This logic family can be integrated within a memristor based crossbar, commonly used for memory. Memristive switches enable stateful logic operations via. An innovative concept of an 8bit iterative adder design using the stateful implymemristor is presented. What is memristor know all about memristor technology. Memristor is one of the promising candidates due to its scalability, practically zero leakage, nonvolatility, etc. In this work pure memristivedesigns for two most commonly used logic blocks delay d and toggle t flipflops using memristor aided logic magic design style have been proposed. System design with memristor technologies explores design solutions for memristors, covering research and development trends in memristor technology, fabrication, modelling, and applications, and the design and implementation of arithmetic units using memristors.
T1 improving tolerance to variations in memristorbased applications using parallel memristors. Reconfigurable threshold logic gates using memristive. An apparatus for reconfigurable computing logic implemented by an innovative memristor based computing architecture. They are shown to have various applications ranging from logic design to neuromorphic computing. But we are learning at a tremendous pace, discovering new things, such as the. A novel design for memristor based logic gates and circuits. Us8427203b2 reconfigurable memristorbased computing. Memristor has immense performance in terms of size and power dissipation. A new memristorbased 5d chaotic system and circuit. The proposed memristor based circuit replaces the large resistors by employing.
Memristor emulator circuit design and applications. The design and analysis of adaptive synchronization for the new memristor based chaotic system and its slave system are carried out. The book begins with an introduction to the principles of system design with. First, a summary of the most recognized memristive logic circuit design concepts is provided. A fully integrated reprogrammable memristorcmos system. For the imply style, we survey the use of known logic representations including binary decision diagram bdd, andinverter graph aig, and majorityinverter graph mig for logic synthesis using memristors. The work shows that its possible to build an imp logic gate using two memristors combined with a standard resistor. Two students this project is a continuation of last year 574 and 590 projects. Memristor based material implication imply, memristor threshold logic 14, memristor aided logic magic 15 and memristorsasdrivers mad 16 represent some of the proposed. The resistiveload mosfetbased ternary logic gates have already been proposed. Right now i am working on several projects memristor modeling, memristor based logic design, memristor crossbar design and analysis, and computer architecture in the memristor era memoryintensive computing.
Using these rules, we introduce 4 different logical systems to implement sequential logic in the memristor and demonstrate how sequential logic works by instantiating a not gate, an and gate, an xor gate and a full adder with a single memristor. The concept of memristor and memristance was first introduced by prof. The hp researchers say there is still much work to be done before a commercial version of memristor logic appears. For analyzing memristor based circuits, various circuit models for memristors have been proposed. To date, memristor based logical circuit design methods could be classified as.
In this paper, the design and behavior of a memristivebased logic gate an imply gate are presented and design issues such as the tradeoff between speed fast write times and correct logic behavior are described, as part of an overall design methodology. This paper proposes a new 5d chaotic system with the fluxcontrolled memristor. Memristive switches enable stateful logic operations. Material implication logic is one of the main areas with memristors. The behavioural model of each topology is derived and programmed at simulink under the matlab environment. Practical implementation of memristorbased threshold logic gates. Then two novel logic design paradigms are presented, which aim to address several drawbacks of other existing design concepts in the literature, and to facilitate the incorporation of memristors in currently established logic circuit architectures. Many memristor based circuit designs have been explored, such as crossbar nonvolatile memory 8 and fpga 9. T1 improving tolerance to variations in memristor based applications using parallel memristors. Memristor market global industry analysis, size, share. Us8427203b2 reconfigurable memristorbased computing logic. Design and implementation of basic building blocks of fpga using memristortransistor hybrid approach abstract. The full adder makes use of the memristors shortterm memory to add together three binary values. Memristors are novel devices, useful as memory at all hierarchies.
Memristive devices are potentially used for stateful logic implication, allowing a replacement for cmosbased logic computation. In this paper, a methodology for designing this logic family is proposed. In this paper, memristor aided logic magic family is discussed with various design considerations and novel techniques to execute logic within an mpu. Simulation results show significant improvement in power consumed over the existing designs. Project two design of processor with memristor based imply gates. A salient feature of memristor is that the stored data in one memristor can be applied to change the state of another memristor. Memristorbased nanoelectronic computing circuits and architectures. Memristors are promising nanoscale lowpower resistors that have memory. Additional circuits in addition to the danna circuits, a number of other designs and features have been included in the tapedout mask set, as this integrated memristorcmos process provides a testbed. However, up to now no standard logic design methodology exists, since it is not immediately clear what kind of computing architectures would in practice benefit the. N2 memristors are being explored for a wide variety of applications such as neuromorphic computing, memory and digital logic. Stateful logic computation with memristors is an area of active research. The lifetime of a memristorbased memory is the longest due to low write frequency and can be further improved by standard wearleveling techniques.
Pdf analog multiplier design with cmosmemristor circuits. Memristor emulator circuit design and applications intechopen. An innovative concept of an 8bit iterative adder design using the stateful imply memristor is presented. Cmostransistors circuits have been used as a conventional approach for designing an analog multiplier in modern era of industrial electronics.
In this paper, the imply logic gate, a memristor based logic circuit, is described. In this paper, we introduce a physical implementation of a memristorbased currentmode tlg mcmtlg circuit and validate its design and. Project two design of processor with memristorbased imply gates. Memristor is considered as the fourth fundamental component after resistor, capacitor and inductor. Both the proposed designs are simulated in cadence virtuoso v 6. Furthermore, the modularized circuit designs method is used in. Memristorbased and and or logic gates are implemented as shown in fig. However, previous studies have shown, that based on the working region of transistors, such as saturation or weak inversion regions, the circuit may face issues with output ranges and accuracy. This paper proposes a novel design methodology for logic circuits targeting memristor crossbars. Memristorbased volistor gates compute logic with low. Highdensity memristive data storage combined with memristive circuitdesign paradigms and computational. In classical stateful memristive circuits, logic signals utilize resistances on inputs. The dynamics analysis of the new system can also demonstrate the hyperchaotic characteristics. I am working on memristor based applications both at circuit and architecture levels.
Pdf memristors are new passive circuit elements with interesting nonlinear, analog, and memory. To date, memristorbased logical circuit design methods could be classified as. Furthermore, memristors are also applied in logic circuit design. Complete design methodology of a massively parallel and. Oct 02, 2018 threshold logic if this weighted sum of all the inputs is greater than or equal to the threshold value, t then only the output, y will be equal to one.
Mad gates memristor logic design using driver circuitry. According to previous work and preliminary results with the current software and circuit design, a single memristor with. The design of different adders and multipliers are also described. Download for offline reading, highlight, bookmark or take notes while you read memristorbased nanoelectronic computing circuits and architectures. Threshold logic if this weighted sum of all the inputs is greater than or equal to the threshold value, t then only the output, y will be equal to one. Mad gatesmemristor logic design using driver circuitry. Various parameters including ares, delay and power dissipation are computed and compared with standard cmos 180 nm logic design. This step requires m or n clock cycles to program all memory cells of. Logic design of quantum circuits and memristor based systems overview there have been significant advances in fabrication and logic design technologies over the last several decades. In the logic design, memristor based logic circuits create a new path for the exploration of new computing paradigm as well as architectures, and pose a promising alternative to conventional cmos.
Design and implementation of basic logic gates and adder. The ternary logic is a promising alternative to the conventional binary logic design technique. Results show that the delay for even an xor operation can be reduced to 1 cycle, compared to the 5 cycles taken by logic implication. Presented optimized design for logic blocks using imply memristor. Furthermore, the modularized circuit designs method is used in the new chaotic system. In this paper an optimized memristorbased full adder design by material. Design and implementation of basic building blocks of fpga. Stateful logic also requires additional circuit components for example, a controller and an additional resistor within each row of the crossbar, dissipates high power, has high computational complexity, and requires complicated control circuitry. In this paper, the imply logic gate, a memristorbased logic circuit, is described.
Memristor patents include applications in programmable logic, signal processing, physical neural networks, control systems, reconfigurable computing, braincomputer interfaces, and rfid. The invention employs a decoder to select memristor devices whose onoff impedance state will determine the reconfigurable logic output. This methodology allows the optimization of the design of logic function, and their automatic mapping on the memristor crossbar. Here it is demonstrated that this shortterm memory works exactly like habituation e. Among these logic styles, three are selected by a set of criteria and they will be further discussed. However, the search time of a memristorbased memory is the longest, and. The possibility of combining the electrical properties of a memory element and a resistor in a memristor or memristive device was proposed by leon chua in 1971. This design is a hardware implementation of a novel concept which has thus far only been demonstrated in software 10. In this section, we study two design styles for memristors, i. In this paper, the design and behavior of a memristivebased logic gate an imply gate are presented and design.