نتایج جستجو برای: with lower supply voltage

تعداد نتایج: 9408520  

Journal: :CoRR 2017
Kevin K. Chang Abdullah Giray Yaglikçi Saugata Ghose Aditya Agrawal Niladrish Chatterjee Abhijith Kashyap Donghyuk Lee Mike O'Connor Hasan Hassan Onur Mutlu

The energy consumption of DRAM is a critical concern in modern computing systems. Improvements in manufacturing process technology have allowed DRAM vendors to lower the DRAM supply voltage conservatively, which reduces some of the DRAM energy consumption. We would like to reduce the DRAM supply voltage more aggressively, to further reduce energy. Aggressive supply voltage reduction requires a ...

2008
Yusuke Umahashi Yuki Kambayashi Masaru Kato Yohei Hasegawa Hideharu Amano Kimiyoshi Usami

When the dynamic reconfigurable processors run, a lot of Processing Elements (PE) are changed by the context which is written information of circuit configuration. Some PEs execute heavy operations, while other PEs execute light operation. Therefore, the delay time of each PE changes with the contexts. We propose a technique to dynamically change dual supply voltages at each PE. First, we calcu...

Journal: :Microelectronics Journal 2009
Ranjith Kumar Volkan Kursun

Static random access memory (SRAM) circuits optimized for minimum energy consumption typically operate in the subthreshold regime with ultra low-power-supply voltages. Both the read and the write propagation delays of a subthreshold memory circuit are significantly reduced with an increase in the die temperature. The excessive timing slack observed in the clock period of constant-frequency subt...

Journal: :IEICE Transactions 2005
Jun Terada Yasuyuki Matsuya Shin'ichiro Mutoh Yuichi Kado

A cyclic A/D conversion circuit technique for sensor networks has been developed using 0.2-μm CMOS/FD-SOI technology. The FD-SOI analog switches can lower the supply voltage without degrading accuracy because of their negligible body effect. The proposed A/D converter achieves operation at the supply voltage of 1 V or less and can handle a sampling frequency ranging from 8 Sps to 8 kSps with a ...

2011
Giuseppe De Vita Giuseppe Iannaccone

—— An extreme low power voltage reference generator operating with a supply voltage ranging from 0.9 to 4 V has been implemented in AMS 0.35 μm CMOS process. The maximum supply current measured at the maximum supply voltage and at 80 °C is 70 nA. A temperature coefficient of 10 ppm/°C is achieved by means of a perfect suppression of the temperature dependence of the mobility, the compensation o...

2011
Giuseppe De Vita

An extreme low power voltage reference generator operating with a supply voltage ranging from 0.9 to 4 V has been implemented in AMS 0.35m CMOS process. The maximum supply current measured at the maximum supply voltage and at 80 C is 70 nA. A temperature coefficient of 10 ppm C is achieved as the combined effect of 1) a perfect suppression of the temperature dependence of mobility; 2) the compe...

Journal: :IEICE Transactions 2009
Ken Ueno Tetsuya Hirose Tetsuya Asai Yoshihito Amemiya

A voltage-controlled oscillator (VCO) tolerant to process variations at lower supply voltage was proposed. The circuit consists of an on-chip threshold-voltage-monitoring circuit, a current-source circuit, a bodybiasing control circuit, and the delay cells of the VCO. Because variations in low-voltage VCO frequency are mainly determined by that of the current in delay cells, a current-compensat...

Journal: :IEICE Electronic Express 2012
Ruhaifi Abdullah Zawawi Othman Sidek

The current paper presents an improved bandgap voltage reference (BGR) that utilizes curvature-corrected current generators which compensate for the voltage reference at lower and higher temperature range. The voltage reference is operated with a supply voltage of 2.5V to achieve an output reference of 1.1835V. The temperature coefficient achieved from the circuit is 1.342 ppm/◦C, resulting fro...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

simplification universal as a universal feature of translation means translated texts tend to use simpler language than original texts in the same language and it can be critically investigated through common concepts: type/token ratio, lexical density, and mean sentence length. although steps have been taken to test this hypothesis in various text types in different linguistic communities, in ...

1997
Tohru ISHIHARA Hiroto YASUURA

In this paper we propose a system level power optimization problem : A problem to assign optimal V DD to each job under a time constraint. The objective function is total energy for the processing of all jobs. The proposed voltage assignment method consists of following two concepts. If some jobs are processed on single processor system under a time constraint, assigning lower supply voltage to...

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