A Study of Crosstalk Through Bonding and Package Parasitics in CMOS Mixed Analog-Digital Circuits
نویسندگان
چکیده
This paper presents an approach for simulation of mixedsignal CMOS integrated circuits, aiming at estimating crosstalk effects, by identifying possible sources of disturbances in analog-digital integrated systems, such as current pulses drawn from voltage supplies. A simple expression of voltage and current in the pull-up and the pull-down of a CMOS logic gate can be derived. A computer program demonstrates the feasibility of the proposed approach, and a representation of digital switching noise in time domain has been derived. This representation has been used to perform an analog simulation using SPICE, to evaluate the propagation of the switching noise through the parasitic elements of the package and of the bonding wires.
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