Common-Centroid Layout for Active and Passive Devices: A Review and the Road Ahead

被引:0
|
作者
Karmokar, Nibedita [1 ]
Madhusudan, Meghna [1 ]
Sharma, Arvind K. [1 ]
Harjani, Ramesh [1 ]
Lin, Mark Po-Hung [2 ]
Sapatnekar, Sachin S. [1 ]
机构
[1] Univ Minnesota, Minneapolis, MN 55455 USA
[2] Natl Yang Ming Chiao Tung Univ, Hsinchu, Taiwan
关键词
50-MS/S SAR ADC; ANALOG PLACEMENT; MISMATCH; VARIABILITY; IMPACT;
D O I
暂无
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This paper presents an overview of commoncentroid (CC) layout styles, used in analog designs to overcome the impact of systematic variations. CC layouts must be carefully engineered to minimize the impact of mismatch. Algorithms for CC layout must be aware of routing parasitics, layout-dependent effects (for active devices), and the performance impact of layout choices. The optimal CC layout further depends on factors such as the choice of the unit device and the relative impact of uncorrelated and systematic variations. The paper also examines scenarios where non-CC layouts may be preferable to CC layouts.
引用
收藏
页码:114 / 121
页数:8
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