Negative voltage generating circuit

The invention relates to a negative voltage generating circuit. The negative voltage generation circuit comprises a high pulse generation circuit configured to generate and output an excitation signal including a high pulse according to a level change of an input enable signal; the signal conversion circuit is configured to generate oscillation under the excitation of the high pulse so as to generate and output a first clock signal and a second clock signal which are not overlapped; and the charge pump circuit is configured to generate and output a negative voltage signal under the control of the first clock signal and the second clock signal, and the level of the negative voltage signal is determined according to the reference level. According to the embodiment of the invention, stable negative pressure can be provided. 本申请涉及一种负压产生电路。本申请实施例的负压产生电路包括：高脉冲产生电路，被配置为根据输入的使能信号的电平变化产生并输出包括高脉冲的激励信号；信号转换电路，被配置为在高脉冲的激励下产生振荡，以产生并输出两相不交叠的第一时钟信号和第二时钟信号；以及，电荷泵电路，被配置为分别在第一时钟信号和第二时钟信号的控制下产生并输出负压信号，负压信号的电平根据基准电平确定。本申请实施例能够提供