The document discusses the advantages of a 5T SRAM compared to a conventional 6T SRAM. It summarizes the design and layout of a 64-bit 5T SRAM using a 90nm technology. Simulation results show that the 5T SRAM reduces power dissipation by 36.2-37.2% and leakage current by 35-36.6% compared to a 64-bit 6T SRAM, while also reducing the area by 30.2%. The document concludes that the 5T SRAM design provides improvements in power, leakage current and area over a conventional 6T SRAM.
The International Journal of Engineering and Science (The IJES)theijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
Design & Implementation of Subthreshold Memory Cell design based on the prima...IOSRJVSP
As there is a demand for portable electronic systems or devices, there is an incremental growth in the technology in the past few decades and also technology is cumulative at a random rate, devices are consuming large amount of power due to this the life of the battery is draining fast. so there must be a alternative devices or circuits which can reduce the power by efficiently maintaining the area and performance, therefore life of battery can be increased. As SRAM is the heart of block in all the electronic design, where the power consumption is maximum there by analyzing, estimating & modifying or changing the logic, will be able to reduce the power and performance can be greatly achieved. This proposal describes under the principle of ultra-low power logic approach which operates under subthreshold voltage operating which leads to lower power and also efficient in functionality along with secondary constraints.
Implementation of High Reliable 6T SRAM Cell Designiosrjce
Memory can be formed with the integration of large number of basic storing element called cells.
SRAM cell is one of the basic storing unit of volatile semiconductor memory that stores binary logic '1' or '0' bit.
Modified read and write circuits were proposed in this paper to address incorrect read and write operations in
conventional 6T SRAM cell design available in open literature. Design of a new highly reliable 6T SRAM cell
design is proposed with reliable read, write operations and negative bit line voltage (NBLV). Simulations are
carried out using MENTOR GRAPHICS
In the project#1, IBM 130nm process is used to design and manual layout a 128 word SRAM, with word size 10bits. Cadence's Virtuoso is applied for layout editing, DRC and LVS running and circuit simulation.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Design and Simulation Low power SRAM Circuitsijsrd.com
SRAMs), focusing on optimizing delay and power. As the scaling trends in the speed and power of SRAMs with size and technology and find that the SRAM delay scales as the logarithm of its size as long as the interconnect delay is negligible. Non-scaling of threshold mismatches with process scaling, causes the signal swings in the bitlines and data lines also not to scale, leading to an increase in the relative delay of an SRAM, across technology generations. Appropriate methods for reduction of power consumption were studied such as capacitance reduction, very low operating voltages, DC and AC current reduction and suppression of leakage currents to name a few.. Many of reviewed techniques are applicable to other applications such as ASICs, DSPs, etc. Battery and solar-cell operation requires an operating voltage environment in low voltage area. These conditions demand new design approaches and more sophisticated concepts to retain high device reliability. The proposed techniques (USRS and LPRS) are topology based and hence easier to implement.
250nm Technology Based Low Power SRAM Memoryiosrjce
High integration density, low power and fastperformance are all critical parameters in designing of
memory blocks. Static Random Access Memories (SRAMs)’s focusing on optimizing dynamic power concept of
virtual source transistors is used for removing direct connection between VDD and GND.
Also stacking effect can be reduced by switching off the stacktransistors when the memory is ideal and the
leakage current using SVL techniques This paper discusses the evolution of 9t SRAM circuits in terms of low
power consumption, The whole circuit verification is done on the Tanner tool, Schematic of the
SRAM cell is designed on the S-Edit and net list simulation done by using T-spice and waveforms are analyzed
through the W-edit
The International Journal of Engineering and Science (The IJES)theijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
Design & Implementation of Subthreshold Memory Cell design based on the prima...IOSRJVSP
As there is a demand for portable electronic systems or devices, there is an incremental growth in the technology in the past few decades and also technology is cumulative at a random rate, devices are consuming large amount of power due to this the life of the battery is draining fast. so there must be a alternative devices or circuits which can reduce the power by efficiently maintaining the area and performance, therefore life of battery can be increased. As SRAM is the heart of block in all the electronic design, where the power consumption is maximum there by analyzing, estimating & modifying or changing the logic, will be able to reduce the power and performance can be greatly achieved. This proposal describes under the principle of ultra-low power logic approach which operates under subthreshold voltage operating which leads to lower power and also efficient in functionality along with secondary constraints.
Implementation of High Reliable 6T SRAM Cell Designiosrjce
Memory can be formed with the integration of large number of basic storing element called cells.
SRAM cell is one of the basic storing unit of volatile semiconductor memory that stores binary logic '1' or '0' bit.
Modified read and write circuits were proposed in this paper to address incorrect read and write operations in
conventional 6T SRAM cell design available in open literature. Design of a new highly reliable 6T SRAM cell
design is proposed with reliable read, write operations and negative bit line voltage (NBLV). Simulations are
carried out using MENTOR GRAPHICS
In the project#1, IBM 130nm process is used to design and manual layout a 128 word SRAM, with word size 10bits. Cadence's Virtuoso is applied for layout editing, DRC and LVS running and circuit simulation.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Design and Simulation Low power SRAM Circuitsijsrd.com
SRAMs), focusing on optimizing delay and power. As the scaling trends in the speed and power of SRAMs with size and technology and find that the SRAM delay scales as the logarithm of its size as long as the interconnect delay is negligible. Non-scaling of threshold mismatches with process scaling, causes the signal swings in the bitlines and data lines also not to scale, leading to an increase in the relative delay of an SRAM, across technology generations. Appropriate methods for reduction of power consumption were studied such as capacitance reduction, very low operating voltages, DC and AC current reduction and suppression of leakage currents to name a few.. Many of reviewed techniques are applicable to other applications such as ASICs, DSPs, etc. Battery and solar-cell operation requires an operating voltage environment in low voltage area. These conditions demand new design approaches and more sophisticated concepts to retain high device reliability. The proposed techniques (USRS and LPRS) are topology based and hence easier to implement.
250nm Technology Based Low Power SRAM Memoryiosrjce
High integration density, low power and fastperformance are all critical parameters in designing of
memory blocks. Static Random Access Memories (SRAMs)’s focusing on optimizing dynamic power concept of
virtual source transistors is used for removing direct connection between VDD and GND.
Also stacking effect can be reduced by switching off the stacktransistors when the memory is ideal and the
leakage current using SVL techniques This paper discusses the evolution of 9t SRAM circuits in terms of low
power consumption, The whole circuit verification is done on the Tanner tool, Schematic of the
SRAM cell is designed on the S-Edit and net list simulation done by using T-spice and waveforms are analyzed
through the W-edit
Large number of interconnection
requirement has become a major limitation to the designs
using binary logic. One of the solutions for this is MultipleValued
Logic (MVL). MVL proves to be advantageous as it
reduces dynamic power dissipation, increases computational
ability, data density and requires less number of
interconnects. In this paper, the implementation of a Static
Random Access Memory (SRAM) cell using a quaternary D
Latch is proposed. The D Latch is built using NMAX, NMIN
and quaternary inverter circuit. Using this SRAM cell a 4X4
SRAM array is constructed and is compared with 4X4 array
of Quaternary Static CMOS memory cell. The spice coding
is done using 0.18μm CMOS technology and verification of
the design is done through HSPICE and COSMOSSCOPE
Synopsis Tools. Power and delay of the circuit is analyzed.
“Power and Temperature Analysis of 12T CMOS SRAM Designed With Short Channel ...iosrjce
This paper focuses mainly on dynamic power dissipations at different temperature for both read and
write operations of 12T SRAM. In the proposed 12T structure virtual vdd concept is employed because of this
leakage current will reduce. Hence reduction in leakage current causes reduction in dynamic power. Power
dissipation of the proposed SRAM cell have been determined and compared to those of some other existing
memory cells. Proposed cell is a short channel BSIM4 model. It is observed that power dissipation of 12T
SRAM for read operation at 40̊
̊
is 44.7nw and for write operation it is 38.79nw. The proposed SRAM cell
dissipates less power. Simulation has been done in Tanner-13 EDA tool for 50nm.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Static-Noise-Margin Analysis of Modified 6T SRAM Cell during Read Operationidescitation
As modern technology is spreading fast, it is very
important to design low power, high performance, fast
responding SRAM(Static Random Access Memory) since they
are critical component in high performance processors. In
this paper we discuss about the noise effect of different SRAM
circuits during read operation which hinders the stability of
the SRAM cell. This paper also represents a modified 6T
SRAM cell which increases the cell stability without
increasing transistor count.
Power analysis of 4 t sram by stacking technique using tanner tooleSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IOSR Journal of Electronics and Communication Engineering(IOSR-JECE) is an open access international journal that provides rapid publication (within a month) of articles in all areas of electronics and communication engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in electronics and communication engineering. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Designed a fully customized 128x10b SRAM by constructing schematic & virtuoso layout of memory cell array (6T cell), row & column decoder, pre-charge circuit, write circuit and sense amplifier using Cadence. Manually placed and routed all components, performed DRC & LVS debugging of constructed schematic and layout and ran PEX to generate the final Netlist, Hspice Spectre simulation of final design for verification of the correct functionality and analysis of best read, best write cycles & the worst case timing for read and write. Timing and power consumed is analyzed through STA-Primetime (Static timing Analysis)
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
PERFORMANCE ANALYSIS OF SRAM CELL USING REVERSIBLE LOGIC GATESBUKYABALAJI
ABSTRACT: Reversible logic shows a great potential
in the design of Low-power circuits. Remarkable work
has been done in design of basic arithmetic circuits.
Present day progress in sequential circuit design of
reversible logic circuits has shown new ways in
performance of Static random access memory
(SRAM) and Dynamic random access memory
(DRAM). As the memory size is increasing
exponentially, the power absorbed by memory cells is
also growing rapidly. In recent years reversible logic
has achieved great interest because of its low power
performances. This paper proposes a new SRAM
c e l l which u s e s Feynman gates. The proposed
SRAM cell shows reduction of 66% in terms of
quantum cost, 66% reduction in quantum delay, 60%
reduction in number of gates count and 50% reduction
in number of transistors count
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
A Novel Low Power Energy Efficient SRAM Cell With Reduced Power Consumption u...iosrjce
In modern high performance integrated circuits, maximum of the total active mode energy is
consumed due to leakage current. SRAM cell array is main source of leakage current since majority of
transistor are utilized for on-chip memory in today high performance microprocessor and system on chip
designs. Therefore the design of low leakage SRAM is required. Reducing power dissipation, supply voltage,
leakage currents, area of chip are the most important parameters in today`s VLSI designs. But scaling of these
parameters will lead to drastic increase in sub threshold leakage currents and power dissipation because of that
performance of the design is degraded. So to overcome these issues it is better to concentrate on reduction of
active leakage currents and dynamic power dissipation by using power reduction techniques. In this paper 9T
SRAM (data retention p-gated) cell for low voltage and energy constrain application is analyzed with respect to
power dissipation, area and delay. The analyzed design of 9T SRAM cell with MTCMOS technique has been
proposed. Designed circuits are simulated in Microwind 3.1 VLSI CAD Tool in 90 and 65nm CMOS technology.
An Innovative Design solution for minimizing Power Dissipation in SRAM CellIJERA Editor
Over the years, the development of the logic on the chip is increased. To sustain and drive the logic flow, various techniques and SRAM cell designs have been implemented. The basic element of memory design is 6T SRAM cell. But while dealing with this 6T SRAM cell there are some issues with the parametric analysis on the performance of the cell. This paper presents an innovative design idea of new 8T RAM cell with various parametric analysis. The proposed cell is compared with the standard cell in terms of different parameters such as area, speed and power consumption along with the loading effect with the increase in load capacitance on the cell. The structure is designed with CMOS 45 nm Technology with BSIM 4 MOS modelling using Microwind 3.5 software tool
PERFORMANCE EVALUATION OF DIFFERENT SRAM CELL STRUCTURES AT DIFFERENT TECHNOL...VLSICS Design
In recent years the demand for low power devices has been increases tremendously. To solve the power dissipation problem, many researchers have proposed different ideas from the device level to the architectural level and above. However, there is no universal way to avoid tradeoffs between power, delay and area, thus designers are required to choose appropriate techniques that satisfy application and product needs. The demand for static random-access memory (SRAM) is increasing with large use of SRAM in System On-Chip and high-performance VLSI circuits. This paper represents the simulation of different SRAM cells and their comparative analysis on different parameters such as Power Supply Voltage, area efficiency etc to enhance the performance. All the simulations have been carried out on BSIM 3V3 90nm, 45nm and 32 technology at Tanner EDA tool.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Large number of interconnection
requirement has become a major limitation to the designs
using binary logic. One of the solutions for this is MultipleValued
Logic (MVL). MVL proves to be advantageous as it
reduces dynamic power dissipation, increases computational
ability, data density and requires less number of
interconnects. In this paper, the implementation of a Static
Random Access Memory (SRAM) cell using a quaternary D
Latch is proposed. The D Latch is built using NMAX, NMIN
and quaternary inverter circuit. Using this SRAM cell a 4X4
SRAM array is constructed and is compared with 4X4 array
of Quaternary Static CMOS memory cell. The spice coding
is done using 0.18μm CMOS technology and verification of
the design is done through HSPICE and COSMOSSCOPE
Synopsis Tools. Power and delay of the circuit is analyzed.
“Power and Temperature Analysis of 12T CMOS SRAM Designed With Short Channel ...iosrjce
This paper focuses mainly on dynamic power dissipations at different temperature for both read and
write operations of 12T SRAM. In the proposed 12T structure virtual vdd concept is employed because of this
leakage current will reduce. Hence reduction in leakage current causes reduction in dynamic power. Power
dissipation of the proposed SRAM cell have been determined and compared to those of some other existing
memory cells. Proposed cell is a short channel BSIM4 model. It is observed that power dissipation of 12T
SRAM for read operation at 40̊
̊
is 44.7nw and for write operation it is 38.79nw. The proposed SRAM cell
dissipates less power. Simulation has been done in Tanner-13 EDA tool for 50nm.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Static-Noise-Margin Analysis of Modified 6T SRAM Cell during Read Operationidescitation
As modern technology is spreading fast, it is very
important to design low power, high performance, fast
responding SRAM(Static Random Access Memory) since they
are critical component in high performance processors. In
this paper we discuss about the noise effect of different SRAM
circuits during read operation which hinders the stability of
the SRAM cell. This paper also represents a modified 6T
SRAM cell which increases the cell stability without
increasing transistor count.
Power analysis of 4 t sram by stacking technique using tanner tooleSAT Publishing House
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
IOSR Journal of Electronics and Communication Engineering(IOSR-JECE) is an open access international journal that provides rapid publication (within a month) of articles in all areas of electronics and communication engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in electronics and communication engineering. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Designed a fully customized 128x10b SRAM by constructing schematic & virtuoso layout of memory cell array (6T cell), row & column decoder, pre-charge circuit, write circuit and sense amplifier using Cadence. Manually placed and routed all components, performed DRC & LVS debugging of constructed schematic and layout and ran PEX to generate the final Netlist, Hspice Spectre simulation of final design for verification of the correct functionality and analysis of best read, best write cycles & the worst case timing for read and write. Timing and power consumed is analyzed through STA-Primetime (Static timing Analysis)
International Journal of Modern Engineering Research (IJMER) is Peer reviewed, online Journal. It serves as an international archival forum of scholarly research related to engineering and science education.
PERFORMANCE ANALYSIS OF SRAM CELL USING REVERSIBLE LOGIC GATESBUKYABALAJI
ABSTRACT: Reversible logic shows a great potential
in the design of Low-power circuits. Remarkable work
has been done in design of basic arithmetic circuits.
Present day progress in sequential circuit design of
reversible logic circuits has shown new ways in
performance of Static random access memory
(SRAM) and Dynamic random access memory
(DRAM). As the memory size is increasing
exponentially, the power absorbed by memory cells is
also growing rapidly. In recent years reversible logic
has achieved great interest because of its low power
performances. This paper proposes a new SRAM
c e l l which u s e s Feynman gates. The proposed
SRAM cell shows reduction of 66% in terms of
quantum cost, 66% reduction in quantum delay, 60%
reduction in number of gates count and 50% reduction
in number of transistors count
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
A Novel Low Power Energy Efficient SRAM Cell With Reduced Power Consumption u...iosrjce
In modern high performance integrated circuits, maximum of the total active mode energy is
consumed due to leakage current. SRAM cell array is main source of leakage current since majority of
transistor are utilized for on-chip memory in today high performance microprocessor and system on chip
designs. Therefore the design of low leakage SRAM is required. Reducing power dissipation, supply voltage,
leakage currents, area of chip are the most important parameters in today`s VLSI designs. But scaling of these
parameters will lead to drastic increase in sub threshold leakage currents and power dissipation because of that
performance of the design is degraded. So to overcome these issues it is better to concentrate on reduction of
active leakage currents and dynamic power dissipation by using power reduction techniques. In this paper 9T
SRAM (data retention p-gated) cell for low voltage and energy constrain application is analyzed with respect to
power dissipation, area and delay. The analyzed design of 9T SRAM cell with MTCMOS technique has been
proposed. Designed circuits are simulated in Microwind 3.1 VLSI CAD Tool in 90 and 65nm CMOS technology.
An Innovative Design solution for minimizing Power Dissipation in SRAM CellIJERA Editor
Over the years, the development of the logic on the chip is increased. To sustain and drive the logic flow, various techniques and SRAM cell designs have been implemented. The basic element of memory design is 6T SRAM cell. But while dealing with this 6T SRAM cell there are some issues with the parametric analysis on the performance of the cell. This paper presents an innovative design idea of new 8T RAM cell with various parametric analysis. The proposed cell is compared with the standard cell in terms of different parameters such as area, speed and power consumption along with the loading effect with the increase in load capacitance on the cell. The structure is designed with CMOS 45 nm Technology with BSIM 4 MOS modelling using Microwind 3.5 software tool
PERFORMANCE EVALUATION OF DIFFERENT SRAM CELL STRUCTURES AT DIFFERENT TECHNOL...VLSICS Design
In recent years the demand for low power devices has been increases tremendously. To solve the power dissipation problem, many researchers have proposed different ideas from the device level to the architectural level and above. However, there is no universal way to avoid tradeoffs between power, delay and area, thus designers are required to choose appropriate techniques that satisfy application and product needs. The demand for static random-access memory (SRAM) is increasing with large use of SRAM in System On-Chip and high-performance VLSI circuits. This paper represents the simulation of different SRAM cells and their comparative analysis on different parameters such as Power Supply Voltage, area efficiency etc to enhance the performance. All the simulations have been carried out on BSIM 3V3 90nm, 45nm and 32 technology at Tanner EDA tool.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
IMPLEMENTATION OF LOW POWER ADIABATIC SRAMVLSICS Design
In the featuring VLSI era, compact electronic devices are popular. The reliability and durability of such compact devices relies on low power utilization. The purpose of this project was to implement a low power adiabatic Static Random Access Memory (SRAM), with the following objectives - To reduce the power waste by means of stepwise charging using tank capacitors which is an adiabatic way of generating power clock. This method is capable of recuperating the electrical energy back to the source. Further to examine the Static Noise Margin (SNM) – a parameter which gives detailed information about the cell stability – in contrast with conventional 6T, 7T and 8T topologies of SRAM under 180 nm technology. Finally, SNM variations with respect to process parameters are also discussed. All the implementations and analysis were made using CADENCE tool and MATLAB tool.
IMPLEMENTATION OF LOW POWER ADIABATIC SRAMVLSICS Design
In the featuring VLSI era, compact electronic devices are popular. The reliability and durability of such compact devices relies on low power utilization. The purpose of this project was to implement a low power adiabatic Static Random Access Memory (SRAM), with the following objectives - To reduce the power waste by means of stepwise charging using tank capacitors which is an adiabatic way of generating power
clock. This method is capable of recuperating the electrical energy back to the source. Further to examine the Static Noise Margin (SNM) – a parameter which gives detailed information about the cell stability – in
contrast with conventional 6T, 7T and 8T topologies of SRAM under 180 nm technology. Finally, SNM variations with respect to process parameters are also discussed. All the implementations and analysis were made using CADENCE tool and MATLAB tool.
IMPLEMENTATION OF LOW POWER ADIABATIC SRAMVLSICS Design
In the featuring VLSI era, compact electronic devices are popular. The reliability and durability of such compact devices relies on low power utilization. The purpose of this project was to implement a low power adiabatic Static Random Access Memory (SRAM), with the following objectives - To reduce the power waste by means of stepwise charging using tank capacitors which is an adiabatic way of generating power
clock. This method is capable of recuperating the electrical energy back to the source. Further to examine the Static Noise Margin (SNM) – a parameter which gives detailed information about the cell stability – in contrast with conventional 6T, 7T and 8T topologies of SRAM under 180 nm technology. Finally, SNM
variations with respect to process parameters are also discussed. All the implementations and analysis were made using CADENCE tool and MATLAB tool.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
IJERA (International journal of Engineering Research and Applications) is International online, ... peer reviewed journal. For more detail or submit your article, please visit www.ijera.com
Energy optimization of 6T SRAM cell using low-voltage and high-performance in...IJECEIAES
The performance of the cell deteriorates, when static random access memory (SRAM) cell is operated below 1V supply voltage with continuous scale down of the complementary metal oxide semiconductor (CMOS) technology. The conventional 6T, 8T-SRAM cells suffer writeability and read static noise margins (SNM) at low-voltages leads to degradation of cell stability. To improve the cell stability and reduce the dynamic power dissipation at low- voltages of the SRAM cell, we proposed four SRAM cells based on inverter structures with less energy consumption using voltage divider bias current sink/source inverter and NOR/NAND gate using a pseudo-nMOS inverter. The design and implementation of SRAM cell using proposed inverter structures are compared with standard 6T, 8T and ST-11T SRAM cells for different supply voltages at 22-nm CMOS technology exhibit better performance of the cell. The read/write static noise margin of the cell significantly increases due to voltage divider bias network built with larger cell-ratio during read path. The load capacitance of the cell is reduced with minimized switching transitions of the devices during high-to-low and low- to-high of the pull-up and pull-down networks from VDD to ground leads to on an average 54% of dynamic power consumption. When compared with the existing ones, the read/write power of the proposed cells is reduced to 30%. The static power gets reduced by 24% due to stacking of transistors takes place in the proposed SRAM cells as compare to existing ones. The layout of the proposed cells is drawn at a 45-nm technology, and occupies an area of 1.5 times greater and 1.8 times greater as compared with 6T-SRAM cell.
Low power sram design using block partitioningeSAT Journals
Abstract
Technology scaling results in significant increase of leakage currents in MOS devices due to which power consumption in Nano scale
devices increases. As memory accounts for the largest share of power consumption, thus there is need to design such a memory which
will consume less power.
Through this paper, we propose a systematic approach by Block partitioning which provides a methodology for reducing the dynamic
power consumption of SRAM (static random access memory). Dynamic power dissipation in memory is due to charging/discharging
of long capacitive lines (bit line and world line). So by block partitioning our goal is to reduce length of world line as well as bit line
capacitances. instead of implementing 1KB SRAM at a time we are designing four blocks of 256 byte RAM, which reduces world
line from 1024 bits to 256 bits. We implemented our design on TANNER TOOL using 180 nm technology
Keywords-Low power, SRAM, 6T cell, Dynamic power.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
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Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.