A Method of Analog IC Placement with Common Centroid Constraints
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To improve immunity against process gradients, a <i>common centroid constraint</i>, in which every pair of capacitors should be placed symmetrically with respect to a common center point, is widely used. The pair of capacitors are derived by dividing some original capacitors into two halves. Xiao et al. proposed a method to obtain a placement which satisfies the common centroid constraints, but this method has a defect. In this paper, we propose a decoding algorithm to obtain a placement which satisfies common centroid constraints.
- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E97.A(1), 339-346, 2014
The Institute of Electronics, Information and Communication Engineers