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A performance-driven placement tool for analog integrated circuits

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3 Author(s)
Lampaert, K. ; Dept. of Elektrotech., Katholieke Univ., Leuven, Heverlee, Belgium ; Gielen, G. ; Sansen, W.M.

This paper presents a new approach toward performance-driven placement of analog integrated circuits. The freedom in placing the devices is used to control the layout-induced performance degradation within the margins imposed by the designer's specifications. This guarantees that the resulting layout will meet all specifications by construction. During each iteration of the simulated annealing algorithm, the layout-induced performance degradation is calculated from the geometrical properties of the intermediate solution. The placement tool inherently handles symmetry constraints, circuit loading effects and device mismatches. The feasibility of the approach is demonstrated with practical circuit examples

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:30 ,  Issue: 7 )