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As process technology scales, SRAM robustness is compromised. In addition, lowering the supply voltage to reduce power consumption further reduces the read and write margins. To maintain robustness, a new bitcell topology, 8-T bitcell, has been proposed and read where write operation can be separately optimized. However, it can aggravate the half select disturb when write word-line boosting is applied...
This paper describes an asymmetric single-ended 6T SRAM bitcell that improves both Read Static Noise Margin (RSNM) and Write Noise Margin (WNM) for the same bitcell area as a conventional symmetric 6T. This improvement is achieved using a single VDD, without employing assist techniques that require multiple voltages. The improvement in noise margins significantly improves the low-voltage robustness...
This paper describes several methodologies based on a pulsed laser beam to reveal the architecture of a high integrated SDRAM, and the different classes of Single Event Effects that can occur due to cosmic radiations. At cell level, laser is used to reveal an important technological parameter: the lithography process. At memory array level, laser is a powerful tool to retrieve cell physical arrangements,...
License plate recognition is the key of the intelligent transport monitoring system and the rate of license plate type identification is one of the important technical specifications in this recognition system. This paper proposed a new method based on clustering and neural network to identify the license plate type. The experimental results of more than 500 images acquired under different conditions...
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