ECE212_Interconnects

Choose the correct statement(s)

• The longer the interconnect the higher the capacitance

• The longer the interconnect the higher the resistance

• The longer the interconnect the lower the capacitance

• The longer the interconnect the lower the resistance

Interwire capacitance is larger when

• Both wires change voltage in the same polarity

• Both wires change voltage in the opposite polarity

• One wire has a fixed voltage

• Both wires have fixed voltages

The most accurate method in estimating the parasitic caps is

• field solver

• parasitic extraction tools

• capacitance table

• rapid calculations

The lumped RC model is

• Pessimistic

• Optimistic

The Elmore model has

• delay coming from the driver

• delay coming from the interconnect

• no delay coming from the wire

• no delay coming from the driver