An On-Chip Test Structure and Digital Measurement Method for Statistical Characterization of Local Random Variability in a Process
An On-Chip Test Structure and Digital Measurement Method for Statistical Characterization of Local Random Variability in a Process
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过程中局部随机变异统计特征的片上测试结构和数字测量方法
DOI:
10.1109/jssc.2008.2001896
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发表时间:
2008
影响因子:
5.4
通讯作者:
K. Roy
中科院分区:
文献类型:
--
作者:
S. Mukhopadhyay;Keunwoo Kim;K. Jenkins;C. Chuang;K. Roy
This paper presents an on-chip characterization method for random variation in minimum sized devices in nanometer technologies, using a sense amplifier-based test circuit. Instead of analog current measurements required in conventional techniques, the presented circuit operates using digital voltage measurements. Simulations of the test structure using predictive 70 nm and hardware based 0.13 mum CMOS technologies show good accuracy (error ~5%-10%) in the prediction of random variation even in the presence of systematic variations. A test chip is fabricated in 0.13 mum bulk CMOS technology and measured to demonstrate the operation of the test structure.