选择信号的逻辑状态可以例如响应于集成电路的温度变化而改变。
The logic state of the select signal can be changed, for example, in response to a change in the temperature of the integrated circuit.
作为另一个示例，选择信号的逻辑状态可响应于提供给脉冲频率检测器的电源电压的变化而改变。
As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.
在写入操作结尾，写入字线被去断言，允许交叉耦合的反相器(40)正常工作并且保持存储节点(SN)的逻辑状态。
At the end of the write operation, the write word line is de-asserted, allowing the cross-coupled inverters (40) to function normally and hold the logic state of the storage node (SN).
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