This book considers the design and development of nanoelectronic computing circuits, systems and architectures focusing particularly on memristors, which represent one of todays latest technology breakthroughs in nanoelectronics. 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. Sep 11, 2014 memristors are passive components with a varying resistance that depends on the previous voltage applied across the device. Pdf memristors are novel devices, useful as memory at all hierarchies.
Boolean logic gates from a single memristor via lowlevel. The write operation is to change the internal state of the memristor and therefore change the information stored in the cell. 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. Yet, it is possible for someone besides a logic student to read this book. In this paper, the imply logic gate, a memristor based logic circuit, is described. Digital data transmission has made todays world more efficient for data communication. Memristor ternary logic design international journal. While memristors are naturally used as memory, memristors can also be used for other applications, including logic circuits. By using these basic logics, adders and comparators are performed, and further, a fourperson voter is designed. Full adder cell a logic diagram and implementation strategy using memristor cmos circuit construct and c simulation results.
In this paper, we perform a comprehensive study to analyze the power and energy consumption of memristor based memory design which adopts hps thin lm memristor technology. Design of a fourperson voter circuit based on memristor logic. By using the memristors memory to both store a bit and perform an operation with a second input bit, simple boolean logic gates have been built with a single. However, memristor based logic circuits are facing robustness challenges mainly due to improper values of design parameters e. Some of these approaches include memristorsasdrivers mad gates, hybridcmos gates, magic. Highradix arithmetic logic unit alu based on memristors. In this work we focus on memristor based complex combinational circuits.
Disclosing the secrets of memristors and implication logic. Pdf memristorbased nanoelectronic computing circuits and. System design with memristor technologies pdf libribook. Digital logic design is foundational to the fields of electrical engineering and computer engineering. Pdf memristorbased material implication imply logic. Memristor, an emerging technology, is a nonvolatile random access memory nvram, i. Design and analysis of low power hybrid memristorcmos. The design methodology is based on a general design flow, suitable for all deterministic memristive tance are considered, respectively, as logical zero and one. Lookahead mapping of boolean functions in memristive. The paper also discusses memristor fabrication, circuit models, methods for implementing logic functions, and the various computing methodologies that can be used viz. This paper proposes a novel memristor based design for stateful ternary logic, including and. Design and synthesis of ultra low energy spinmemristor. 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. Williams hp labs, usa, who are specialized in the various topics addressed in this book, and covers broad areas of memristors and memristive devices such.
Design of memristor cmos based logic gates and logic circuits. The nanometer scale feature of the device creates a new opportunity for new logic elements allowing realization of innovative circuits that are removed from the more established design domains. The most popularized approach is the imply operation, most commonly known from hp labs groundbreaking study. Jul 01, 2018 moreover, memristor is widely used in applications viz. A design methodology for the imply logic gate is proposed in section v. The states of a digital computer typically involve binary digits which may take the form of the presence or absence of. The book studies, explores, and addresses the related challenges and. Memristor based crossbars for integrating memory units have received considerable attention, though little work has been done concerning the implementation of logic.
The simulation results confirm the accuracy and functionality of the. It was described and named in 1971 by leon chua, completing a theoretical quartet of fundamental electrical components which comprises also the resistor, capacitor and inductor chua and kang later generalized the. Firstly its nanometer scale dimensions and, secondly, its nonvolatile memory characteristics. One of the possible approaches to achieve more than moores law with signal processing circuits is to inspire from functioning of human brain to mimic neural functions by exploring emerging technologies such as memristor circuits. Tech 2ndyear digital logic design books and full notes in a single download link. Jan 01, 2019 similarly, the voltage v reset causes the doped region to shrink making the memristor highly resistive to logic 0 state denoted by r off. 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. Page 1 digital logic design introduction a digital computer stores data in terms of digits numbers and proceeds in discrete steps from one state to the next. Memristor aided logic magic magic is a logic design style for implementing stateful logic operations using memristors. Guys who are in search of dld lecture notes and textbooks for their upcoming sem examinations can halt on this page. No design methodology exists, however, for memristor based combinatorial logic. Memristor for computing proceedings of the conference on. Pdf organic memristive devices and neuromorphic circuits. However, since this study, numerous other approaches have been proposed, which offer differing properties and tradeoffs.
A general logic synthesis framework for memristorbased. Memristor based imply logic design fabrication, characterization, simulation, procedure, proceedings of the ieee 29th and circuit design, masters thesis, international conference on computer electrical and computer engineering design, usa, october 2011, 142147p. Pdf study of memristor models and its applications in logic. As a two terminal passive component chua describes the memristor as the fourth basic element along resistors, capacitors and inductors. If your roommate picked up the book and thumbed through it, they would not immediately become a logic student. Digital logic designers build complex electronic components that use both electrical and computational characteristics.
Sem3fundamentals of digital logic with verilog design. Memristor based logic design memristor based logic design performs logic operations in memristors with particular connection patterns, and expresses the boolean variable with voltage or resistance. Both the proposed designs are simulated in cadence virtuoso v 6. Several new results on memristor modeling, memristive interconnections, logic circuit design, memory circuit. For memory design, reducing the energy consumption is one of the most important design metrics for both highend computing applications or lowend embedded applications.
These characteristics may involve power, current, logical function, protocol and user input. Most of the techniques for designing logic circuits with memristors require multiple. Novel techniques for memristive multifunction logic design. In this brief, memristor aided logic magica method.
Logic scheme of the implemented neural network with two inputs, two hidden and one output neurons 24. The possible layout design of hybrid memristor cmos logic is also reported. It was described and named in 1971 by leon chua, completing a theoretical quartet of fundamental electrical components which comprises also the resistor, capacitor and inductor. On the robustness of memristor based logic gates ieee conference.
In this paper, the imply logic gate, a memristorbased logic circuit, is described. While fast fourier transform fft implementations are largely based on cmos gates, they are limited by the computation speed and availability limits on the number. To use memristors in a digital manner, a high memristance is considered as logic 0 and a low memristance is considered as logic 1. Top experts in computer science, mathematics, electronics, physics and computer engineering present foundations of the memristor theory and applications, demonstrate how to design. Memristors are a new class of circuit element with the ability to change their. The been studied along with analog circuitry for memristor is basically the fourth fundamental programming the device resistance. Sem3fundamentals of digital logic with verilog designthird. This book reports on the latest advances in and applications of memristors, memristive devices and systems. In our thesis book the functions as a fundamental nonlinear circuit compatibility of memristor with cmos logic has element relating charge and magnetic flux. Design and implementation of basic logic gates and adder.
Project two design of processor with memristor based imply gates. Pure memristivedesigns for d and t flipflops that have been reported earlier. There are several design styles for implementing logic functions using memristors, two of which are brie. Feb 07, 2021 free pdf download memristorbased nanoelectronic computing circuits and architectures. Memristor is a nanoscale device with nonvolatility and adjustable multilevel states, which creates an intriguing opportunity for the implementation of ternary logic operations. Two students this project is a continuation of last year 574 and 590 projects.
Dynamic response of multiple interconnected memristors. This book considers the design and development of nanoelectronic computing circuits. Part of the lecture notes in computer science book series lncs, volume 7956. In this work we propose spin memristor threshold logic. Nov 22, 2019 by changing the polarity of two parallel memristors, the or logic and and logic can be implemented separately. Phd student muayad aljafar supervises this project. Various parameters including ares, delay and power dissipation are computed and compared with standard cmos 180 nm logic design. This design methodology is demonstrated by a case study of an 8bit imply full adder in section vi. This handbook presents all aspects of memristor networks in an easy to read and tutorial style. No design methodology exists, however, for memristorbased combinatorial logic. The paper shows not only the potential of memristor devices in enabling new memory technologies and new logic design styles, but also their potential in enabling memory intensive architectures as well as neuromorphic computing due to their unique properties such as the tight integration with cmos and the ability to learn and adapt. Pdf memristorbased nanoelectronic computing circuits. Memristorbased nanoelectronic computing circuits and.
It gathers 20 contributed chapters by subject experts, including pioneers in the field such as leon chua uc berkeley, usa and r. In this paper, design of new type of nonvolatile static random access memory cell is proposed by using a combination of memristor and complemented metal oxide semiconductor. Design and analysis of low power hybrid memristorcmos based. Several approaches for memristor based logic have been proposed, e. Biolek memristor model and cmos 180 nm technology are used to form a single cell. Two properties of memristor have attracted the most attention. Memristor devices can also retain its behavior in logic design. The proposed logic shows better area utilization and excellent results from existing cmos logic circuits at standard 1. Pdf study of memristor models and its applications in. May, 2020 btech 2nd year 1st sem digital logic design books pdf download. Inmemory designing of delay and toggle flipflops utilizing. This paper proposes a novel memristor based design for stateful ternary logic, including and, or, not, nand, nor, and copy operations. The feasibility of a fourperson voter based on memristor logic is verified by theoretical analysis and pspice simulation.
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. Background theoretically introduced was the memristor by leon chua in 1971 3. Memristor networks focuses on the design, fabrication, modelling of and implementation of computation in spatially extended discrete media with many memristors. Contains the code for labs and assignment of 3rd semester mitcse2019sem3. Before the gate operation, the output memristor needs to be initialized either. There are numerous approaches to implementing logic with memristors. A general logic synthesis framework for memristorbased logic.
Recent researches are mostly focused on technology scaling as well as device size minimization design techniques following moores law. The proposed design and implementation paradigm constitutes a step towards novel computational architectures exploiting memristor based logic circuits, and facilitating the design and integration. Memristor is a newly found fourth circuit element for the next generation emerging nonvolatile memory technology. Memristive device for logic design and computing tu delft. In some logic fam in this paper, the imply logic gate is described in ilies, memristors are integrated with cmos structures to section iii, and a memristor based crossbar in section iv. Memristor augmented approximate adders and subtractors for. This paper presents a novel method to design the ninput memristor based and and or operations. Memristors are novel devices, useful as memory at all hierarchies. This book demonstrates the design and development of nanocomputer circuits, systems, and architectures with a particular focus on memory, which is one of the latest technological advances in nanoelectronics. In this memristive logic family, each memristor is used as an input, output, computational logic element, and latch in different stages of the computing process. Then, two methods are proposed to design complete and incomplete n to 1 memristor based multiplexers muxs based on these novel memristor based and and or operations. Memristorcmos logic and digital computational components.
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