Synopsys, Inc.

Jaehan Jeon

Tao Lin

Tao Huang

Min Pan

Zuo Dai

Tobias Bjerregaard

Konstantinos Tsirogiannis

A system and method updates a clock tree based on skew values of the circuit design. The clock tree is updated by obtaining a circuit design that includes circuit elements and a clock tree. The clock tree includes clock sources and clock sinks. Data path slack values for the clock tree are determined based on the clock sources and the clock sinks. Further, clock arrival values for the clock tree are determined based on the clock sources and the clock sinks. A first total local skew value of the circuit design is determined based on the data path slack values, and the clock arrival values, and updating the clock tree based on the first total local skew value.

Circuit design having an improved clock tree

A system and method for changing a circuit design are described. The method includes generating a propagation graph for the circuit design and estimating slack values for some of the paths in the propagation graph. The method also includes making a virtual change to the circuit design and determining whether to accept or reject the change based on how the change affects the estimated slack values.

System for making circuit design changes

Growing community of inventors

Santa Clara, CA, United States of America

Jaehan Jeon