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1. 发明公开

EP3205023A1 ADAPTIVE DYNAMIC KEEPER CIRCUIT 审中-公开
标题翻译：自适应动态保持器电路
公开(公告)号：EP3205023A1
公开(公告)日：2017-08-16
申请号：EP15766687.6
申请日：2015-09-03
申请人： Qualcomm Incorporated
发明人： PUCKETT, Joshua Lance , KLEIN, Anthony Dale , VISWANATHAN, Kaushik
IPC分类号： H03K19/003 , H03K19/096
CPC分类号： H03K19/00315 , H03K19/00361 , H03K19/09482 , H03K19/0963
摘要： Aspects disclosed herein describe a keeper circuit that adapts to variations in the fabrication process used to manufacture a dynamic circuit (105). The different characteristics of the circuit elements may cause a keeper circuit (110) to behave in an unintended manner. In one example, a logical state of the dynamic circuit may be erroneously changed because of a strong (i.e., leaky) NMOS transistor (235) in a pull down or discharge path (230). An adaptive keeper circuit (110), however, is designed to prevent such unintended behavior regardless of any change in the characteristics of the circuit elements in the dynamic circuit. The adaptive keeper circuit (110) matches the behavior of the pull down path (230) and prevents the pull down path from erroneously changing the logical state (207) stored by the dynamic circuit (105).
摘要翻译：这里公开的方面描述了适应于用于制造动态电路的制造工艺的变化的保持器电路。电路元件的不同特性可能导致保持器电路以无意的方式行为。在一个示例中，由于下拉或放电路径中的强（即泄漏）NMOS晶体管，动态电路的逻辑状态可能被错误地改变。然而，自适应保持器电路被设计为防止这种无意的行为，而不管动态电路中的电路元件的特性的任何变化。自适应保持器电路匹配下拉路径的行为并防止下拉路径错误地改变由动态电路存储的逻辑状态。

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