Impact of random telegraph noise on CMOS logic delay uncertainty under low voltage operation

Impact of random telegraph noise on CMOS logic delay uncertainty under low voltage operation
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低电压操作下随机电报噪声对 CMOS 逻辑延迟不确定性的影响

DOI:
10.1109/iedm.2012.6479104
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发表时间:
2012
期刊:
2012 International Electron Devices Meeting
影响因子:
--
通讯作者:
H. Onodera
H. Onodera
中科院分区:
--
文献类型:
--
作者:
Takashi Matsumoto;Kazutoshi Kobayashi;H. Onodera

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通过测量采用商用40 nm工艺制造的2520个ROS,描述了RTN引起的延迟波动的统计特性。少量样品具有较大的RTN引起的时延波动。在低电源电压(0.65V)下,RTN引起的延迟波动高达标称振荡频率的10.4%。通过略微增加晶体管尺寸,在0.75V工作电压下,频率不确定度可降低50%以上。针对RTN引起的CMOS逻辑延迟不确定性,阐明了电路设计者可以改变的参数对设计结果的影响。
Statistical nature of RTN-induced delay fluctuation is described by measuring 2,520 ROs fabricated in a commercial 40 nm CMOS technology. Small number of samples have a large RTN-induced delay fluctuation. RTN-induced delay fluctuation becomes as much as 10.4% of nominal oscillation frequency under low supply voltage (0.65V). By slightly increasing the transistor size, more than 50% reduction of frequency uncertainty can be achieved under 0.75V operation. The impact of the parameters that can be changed by circuit designers is clarified in view of RTN-induced CMOS logic delay uncertainty.
DOI: --
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期刊:
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发表时间: 2008
期刊:
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