Definition
The parasitic capacitance that exists between nearby conductors because an electric field from one conductor terminates partly on another conductor.
Application
Used in interconnect extraction and timing/noise analysis because coupling capacitance allows voltage transitions on one line to influence a neighboring line, contributing to crosstalk and signal delay. Low-k dielectrics and increased spacing reduce this coupling.
Related search terms
Mutual capacitance; parasitic coupling capacitance
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Related concepts
Evidence and further reading
- Evidence from resources.pcb.cadence.comhttps://resources.pcb.cadence.com/blog/2020-addressing-coupling-capacitance-in-designs
- Evidence from nist.govhttps://www.nist.gov/document/no-16-pr-08-2-low-kpdf