Invention Grant
US07902880B2 Transitioning digital integrated circuit from standby mode to active mode via backgate charge transfer 有权
通过背栅电荷转移将数字集成电路从待机模式转换到主动模式

Transitioning digital integrated circuit from standby mode to active mode via backgate charge transfer
Abstract:
Circuits and methods are provided for facilitating transitioning of a digital circuit from backgate biased standby mode to active mode. The digital circuit includes a semiconductor substrate, multiple n-channel transistors disposed at least partially in one or more p-type wells in the semiconductor substrate, multiple p-channel transistors disposed at least partially in one or more n-type wells in the semiconductor substrate, and a backgate control circuit. The backgate control circuit is electrically coupled to the p-type well(s) and to the n-type well(s) to facilitate transitioning of the multiple n-channel transistors and the multiple p-channel transistors from backgate biased standby mode to active mode by automatically shunting charge from the n-type well(s) to the p-type well(s) until a well voltage threshold is reached indicative of a completed transition of the transistors from backgate biased standby mode to active mode.
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