Inventors:
Hong Li - Sunnyvale CA, US
Li Ding - San Jose CA, US
Alireza Kasnavi - Sunnyvale CA, US
Assignee:
Synopsys, Inc. - Mountain View CA
International Classification:
G01R 27/26, G06F 17/40
US Classification:
702 65, 702 57, 702 69, 327365
Abstract:
Embodiments of a computer system, a method, an integrated circuit and a computer-program product (i. e. , software) for use with the computer system are described. These devices and techniques may be used to analyze an electrical characteristic of a logic gate electrically coupled to an output network in a stage. In particular, during the analysis, the effective capacitance of an output network coupled to a logic gate is approximated as a function of a total resistance of the output network, a total capacitance of the output network, and a geometric parameter of the output network. Using the effective capacitance and other parameters, such as a slew rate of an electrical signal applied to an input of the logic gate, an electrical characteristic of the logic gate, such as an input capacitance, is determined.