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Hybrid synchronous/asynchronous counter

机译:混合同步/异步计数器

摘要

A hybrid counter generates a multi-bit hybrid counter value. The hybrid counter includes two or more asynchronous counters, each configured to generate a subset of the bits of the multi-bit hybrid counter value. The asynchronous counters are interconnected by a logic gate and a clock gating circuit. The logic gate generates an asynchronous logic value based on the bits generated by the previous asynchronous counters. The clock gating circuit re-times the asynchronous logic value to generate a synchronous logic value that is used to toggle the next asynchronous counter. The hybrid counter functions more accurately than conventional asynchronous counters and with less power than conventional synchronous counters.
机译:混合计数器生成一个多位混合计数器值。混合计数器包括两个或更多个异步计数器,每个异步计数器被配置为生成多位混合计数器值的位的子集。异步计数器通过逻辑门和时钟门控电路互连。逻辑门基于先前的异步计数器生成的位生成异步逻辑值。时钟门控电路对异步逻辑值进行重新计时,以生成用于切换下一个异步计数器的同步逻辑值。混合计数器的功能比常规异步计数器更准确,并且功耗比常规同步计数器低。

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