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Timing-closure methodology involving clock network in hardware designs
Timing-closure methodology involving clock network in hardware designs
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机译:硬件设计中涉及时钟网络的时序收敛方法
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摘要
Embodiments disclosed herein describe techniques for moving nets between a source and a plurality of sinks in a design of an integrated circuit from a data network to a clock network. In one embodiment, the clock network propagates clock signals or timing signals throughout the integrated circuit while the data network transmits data signals between circuitry in the integrated circuit. In one embodiment, the clock network has a predefined number of clock signal nets which can be assigned to carry clock signals to circuit logic in the integrated circuit. However, some of the clock signal nets may be unused. In one embodiment, a design application identifies candidate sinks which have positive slack. If using the clock network to couple the sink to the source satisfies predetermined timing requirements, then the design change is committed.
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