Abstract: A method of simulating an electronic circuit including an N-stage charge pump includes generating a charge pump macro model corresponding to the N-stage charge pump, and simulating the charge pump macro model. The charge pump macro model includes an output terminal, a behavioral block defined by a modeling language, and a passive device block including at least one passive device connected to the output terminal and the behavioral block.

Abstract: A simulator includes a memory for storing a first netlist, a timing library, and a standard parasitic exchange format (SPEF) file; and a processor configured to compensate for delay to synchronize digital and analog signals. The processor includes a delay calculator module for generating one of a rising time and a falling time and a standard delay format (SDF) file using the first netlist, the timing library, and the SPEF file; an SDF file converter module for adjusting an interconnect delay description included in the SDF file to compensate for delay using the one of the rising time and the falling time; and a digital simulator module for generating an event using a first driving cell according to a compensated interconnect delay description.

Abstract: A simulator includes a memory for storing a first netlist, a timing library, and a standard parasitic exchange format (SPEF) file; and a processor configured to compensate for delay to synchronize digital and analog signals. The processor includes a delay calculator module for generating one of a rising time and a falling time and a standard delay format (SDF) file using the first netlist, the timing library, and the SPEF file; an SDF file converter module for adjusting an interconnect delay description included in the SDF file to compensate for delay using the one of the rising time and the falling time; and a digital simulator module for generating an event using a first driving cell according to a compensated interconnect delay description.

Abstract: A method of simulating an electronic circuit including an N-stage charge pump includes generating a charge pump macro model corresponding to the N-stage charge pump, and simulating the charge pump macro model. The charge pump macro model includes an output terminal, a behavioral block defined by a modeling language, and a passive device block including at least one passive device connected to the output terminal and the behavioral block.

Abstract: A modeling system includes a processor. The processor includes a capacitor model generator configured to generate a capacitor model based on a received circuit configuration. The capacitor model generator includes an extract module configured to extract parasitic capacitors from the received circuit configuration and a generate module configured to generate the capacitor model. The generate module generates the capacitor model by classifying the parasitic capacitors into a group of coupled capacitors and a group of grounded capacitors; classifying the coupled capacitors into first coupled capacitors and second coupled capacitors according to a corresponding influence on a performance of the circuit; setting the first coupled capacitors to a maintenance state; and converting at least one of the second coupled capacitors into a grounded capacitor, the at least one of the second coupled capacitors being a second coupled capacitor having a capacitance that is below a desired reference value.

Abstract: A modeling system includes a processor. The processor includes a capacitor model generator configured to generate a capacitor model based on a received circuit configuration. The capacitor model generator includes an extract module configured to extract parasitic capacitors from the received circuit configuration and a generate module configured to generate the capacitor model. The generate module generates the capacitor model by classifying the parasitic capacitors into a group of coupled capacitors and a group of grounded capacitors; classifying the coupled capacitors into first coupled capacitors and second coupled capacitors according to a corresponding influence on a performance of the circuit; setting the first coupled capacitors to a maintenance state; and converting at least one of the second coupled capacitors into a grounded capacitor, the at least one of the second coupled capacitors being a second coupled capacitor having a capacitance that is below a desired reference value.

Abstract: A power distribution network simulation method capable of speedily and accurately analyzing a large power distribution network. In the power distribution network simulation method, the large original circuit is reduced to a suitable size by using a variable reduction method, a solution of an equation of the reduced circuit is obtained, and a solution of an equation of the original circuit is restored based on the solution of the equation of the reduced circuit by using the variable reduction method. According to the power distribution network simulation method using the variable reduction method, it is possible to speedily and accurately analyze the large power distribution network.

Abstract: A power distribution network simulation method capable of speedily and accurately analyzing a large power distribution network. In the power distribution network simulation method, the large original circuit is reduced to a suitable size by using a variable reduction method, a solution of an equation of the reduced circuit is obtained, and a solution of an equation of the original circuit is restored based on the solution of the equation of the reduced circuit by using the variable reduction method. According to the power distribution network simulation method using the variable reduction method, it is possible to speedily and accurately analyze the large power distribution network.