| 摘要 |
<p>A method for designing a semiconductor integrated circuit including: a plurality of combinational circuits, each said combinational circuit having one signal propagation path; and at least one pair of registers which are disposed anterior to and posterior to at least one of the plurality of combinational circuits, the method comprising the steps of: if a signal propagation delay time of the signal propagation path of any of the plurality of combinational circuits is equal to or smaller than a design delay upper limit, defining the combinational circuit as a first combinational circuit using a low-voltage source as a voltage source thereof; and if a signal propagation delay time of the signal propagation path of any of the plurality of combinational circuits exceeds the design delay upper limit, defining the combinational circuit as a second combinational circuit using a high-voltage source as a voltage source thereof. <IMAGE></p> |
