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Abstract

A fast dynamic register including a data block, a precharge circuit, a transparent latch, and an output logic gate. The precharge circuit precharges first and second precharge nodes and then releases the first precharge node in response to a clock. The data block evaluates data by either pulling the first precharge node low in response to the clock or does not pull it low, in which case the second precharge node is discharged. The transparent latch passes a state of the second precharge node to a store node when transparent, and otherwise latches the store node. The output logic gate drives an output node to a state based on states of the second precharge node and the store node. The transparent latch may be implemented with relatively small devices to reduce size and power consumption to improve efficiency.

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