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Chaudhry Indra Kumar - IEEE Xplore Author Profile

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This paper proposes the use of regressor networks for modeling evolving hybrid phase transition FETs as their device physics is still not clear. Hyper-FET is modeled using multi layer perceptron regressor and random regressor networks. Predictions made by random regressor based neural model are closer to the accurate values as out of bag error and mean square error is approximately 98 percent less...Show More
This paper presented a voltage mode (VM), multiple input and single output (MISO) universal biquad filter using only one voltage differencing current conveyor (VDCC) and three passive components. The proposed configuration is capable of realizing second-order low pass filter (LPF), high pass filter (HPF), band pass filter (BPF), band-reject filter (BRF) and all pass filter (APF). The proposed biqu...Show More
Operating the SRAM cells at near-threshold voltages is an effective way to achieve higher energy efficiency, though it typically compromises stability and performance. This paper presents a distinctive 11T SRAM cell for near threshold operation, characterised by high stability (hold/read/write static noise margins) in addition to reduced leakage power. The core circuit comprises an asymmetric desi...Show More
This paper presents a newly designed latch which provides resilience to double node upsets (DNU) caused by radiations like alpha or harmful rays. A latch is used in all the data storage devices which makes latch play a vital role in modern circuits. The basic principle of the proposed latch is on interlocked feedback hold technique. The circuit comprises three transmission gates, three Muller C el...Show More
To convert signals from one logic level or voltage level to another, a level shifter circuit is used in analog and digital integrated circuits (IC’s). It is also known as a voltage level translator or a logic-level shifter. An integrated circuit voltage level changer allows for compatibility across integrated circuits with various voltage needs. In this work, a voltage level shifter that efficient...Show More
This paper presents an energy efficient voltage CMOS voltage level shifter. Voltage level shifter is used for multi-supply design applications. The main purpose of voltage level shifter is to convert the voltage level from one level to another. We verified our voltage level shifter in ASAP7 7nm Fin-Fet technology. The proposed voltage level shifter is based on differential cascade voltage switch l...Show More
In this brief, we present an energy-efficient and high compute signal-to-noise ratio (CSNR) XNOR and accumulation (XAC) scheme for binary neural networks (BNNs). Transmission gates achieve a large compute signal margin (CSM) and high CSNR for accurate XAC operation. The 10T1C XNOR SRAM bit-cell performs the in-memory XAC operation without pre-charging the larger bitline capacitances and significan...Show More
As CMOS technology scales down, state holding circuits are more prone to single node upset (SNU) due to the externally induced radiation phenomena. Therefore, the tolerance of the state holding circuits against SNU is strict requirement in nanoscale CMOS design. In this paper we present a unique high performance SNU hardened latch. The presented latch enhanced the soft error tolerance by using one...Show More
Near-threshold voltage (NTV) design has been proposed for low-power VLSI designs across a wide range of applications due to its optimal Energy-Delay Product. Dynamic Voltage and Frequency Scaling (DVFS) design has acquired recent interest to increase energy efficiency during runtime. During periods of low utilization, a chip’s performance and power consumption can be adjusted by slowing down the c...Show More
In this paper, a novel energy efficient 12T memory cell is proposed which is radiation hardened by design (RHD) to tolerate single-event multiple-node upsets (SEMNU) in near threshold voltage regime. The radiation hardness of the proposed memory cell is improved by controlling the cross coupled inverters' PMOS devices through dummy access transistors. We validated the proposed memory cell in STMic...Show More
This article presents an energy-efficient triple-node-upset (TNU)-tolerant latch in a subthreshold/near-threshold regime. The proposed latch provides the TNU tolerance using two restorer circuits (RCs) to hold the correct state and a three-input clocked combinational majority circuit (CMC). The RC is based on pull-up and pull-down paths, controlled by different susceptible nodes, results in better...Show More
Near-threshold voltage (NTV) digital VLSI circuits, though important, have their sequential elements vulnerable to soft errors. The critical charge for a single event upset for a D-latch depends on its fan-out load, supply voltage, and transistor level parameters. A SPICE simulation-based estimation of the critical charge is highly resource/time intensive. In this paper, we propose a physics-based...Show More
In modern CMOS technologies, meta-stability is becoming an important issue for designing sequential systems, especially in the near/sub-threshold regime. This is because, with a reduction in supply voltage, mean time between failures (MTBF) increases exponentially. This paper presents a detailed analysis of the meta-stability in design of near/sub-threshold resilient flip-flops. We show that a pro...Show More
Operating VLSI circuits at near/sub-threshold region is emerging as the most important technique for low power applications. However, due to the increasing variability in sub-threshold regime, system performance and yield is at stake. Therefore, improved circuit techniques are needed with low power overhead which can essentially improve the yield. This paper presents a timing error Self Correcting...Show More
In this paper a new design technique is proposed using FTL (Feed through Logic) concept for high performance dynamic CMOS logic with high noise immunity and low power. FTL improves the performance of arithmetic circuits with a very long logic depth. In spite of its performance advantage, FTL suffers from reduced noise margin, direct path current and non-zero nominal low output voltage. The propose...Show More
FTL improves the performance of arithmetic circuits, with a very long logic depth, while reducing the power dissipation, when compared with standard CMOS circuits. The feed through logic (FTL) allows for a partial evaluation in a computational block before its input signals are valid, and does a quick final evaluation as soon as the inputs arrive. As the supply voltage is scaling down, the circuit...Show More