| CPC G06F 1/08 (2013.01) [G06F 1/10 (2013.01); G06F 1/04 (2013.01); G06F 9/3869 (2013.01); H03K 3/037 (2013.01)] | 18 Claims |

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1. A clock circuit, comprising M stages of clock drive circuits that are connected in series, M being an integer that is no less than 2, wherein each of the M stages includes N inverters directly connected in series without any intervening element, the N inverters being arranged between an input port and an output port of each stage of the M stages of the clock drive circuits, N being an odd number that is no less than 3, wherein the output port of each stage of the M stages of clock drive circuits provides a clock signal for a corresponding stage of pipeline circuit in a pipeline structure for executing a data processing task.
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