Thursday, 8 October 2015

Clock Buffer VS Normal Buffer

Clock net is one of the High Fanout Net(HFN)s.
Clock Buffers are designed with some special property like high drive strength and less delay.Clock buffers have equal rise and falltime. This prevents duty cycle of clock signal from changing when it passes through a chain of clock buffers.

Normal buffers are designed with W/L ratio such that sum of rise time and fall time is minimum.They too are designed for higher drive strength.

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