Equivalent circuit models in current-mode circuits for time delay calculations

Abstract

In this paper time delay calculations for current-mode circuits are considered and equivalent circuit models for delay estimation are developed. Three different equivalent circuit structures for the Core Circuit used in the multipurpose IC DU-TCC1209 are examined separately; however the relation obtained for the time delay can be applied to any CMOS current-mode circuit. The proposed calculation methods are verified with SPICE using 0.35 lm TSMC MOSIS technology parameters and with bench-test measurements using DU-TCC1209