ID |
原文 |
译文 |
42776 |
在先进制程静态随机存储器 ( SRAM) 单比特失效的分析过程中,SRAM 样品制备是关键, |
In the analysis of single-bit failure for the advanced process static random access memory(SRAM) , the SRAM sample preparation is the key. |
42777 |
传统研磨方法制备的样品其表面容易出现钨栓缺失的问题。 |
It was easy to miss tungsten plugs at the surface ofsamples prepared by traditional polishing methods. |
42778 |
利用离子精密刻蚀仪制备用于纳米探针电性能测试的 SRAM 样品。 |
An ion precise etching instrument was applied to prepare SRAM samples for the electrical properties test of nanoprobes. |
42779 |
通过刻蚀仪改变刻蚀能量和刻蚀角度来制备样品,再对样品进行纳米探针电性能测试并根据测试结果得到最佳刻蚀参数。 |
The etching instrument was used tochange the etching energy and etching angle to prepare a sample, and then the sample was tested for the electrical properties of nanoprobes and the optimal etching parameters were obtained according to the testresults. |
42780 |
在此参数下制备的样品,其表面形貌完好并无钨栓缺失,且测得的晶体管特性曲线与传统方法制备的样品测得的晶体管特性曲线相匹配。 |
The surface morphology of the sample prepared under these parameters is intact and no tungstenplug is missing, and the measured transistor characteristic curve matches the measured transistor characteristic curve of the sample prepared by the traditional method. |
42781 |
实验结果表明,此方法可替代传统样品制备方法,并能有效提高失效分析的成功率。 |
Experiment results show that this methodcan replace traditional sample preparation methods and effectively improve the success rate offailure analysis. |
42782 |
设计了一种高动态性能电流舵数模转换器 ( DAC) ,其满摆幅输出电流为 20 mA。 |
A high dynamic performance current-steering digital-to-analog converter (DAC) with afull-scale output current of 20 mA was designed. |
42783 |
采用三段分段结合低位 R-2R 网络的混合分段结构,整个 DAC 仅使用了两种不同尺寸的电流源单元。 |
A three-section hybrid segmented architecture with theR-2R output network in low segment bits was adopted, and only two current source units of different sizeswere used for the whole DAC. |
42784 |
采用模拟前台校准技术对这两种电流源及其比例关系进行校准,以较小的尺寸实现较高的匹配性, |
The analog foreground calibration technology was adopted to calibrate thesetwo current sources and their proportional relationship to reduce mismatch error with a small size. |
42785 |
同时引入共源共栅 MOSFET 和抽血电流源进一步提高了输出阻抗,降低了差分端输出阻抗差异,最终提高了 DAC 的动态性能。 |
Meanwhile, the cascode MOSFET and bleed current source were added to increase the output impedance, decrease the output impedance difference in the differential terminal, and finally improve the dynamic performance of the DAC. |