Pulse signal width detection circuit and chip

The invention discloses a pulse signal width detection circuit and a chip. The pulse signal width detection circuit comprises an integer width capture unit, a precision width capture unit and an arithmetic unit. Wherein the input end of the pulse signal to be measured and the input end of the clock signal are respectively connected with the integer width capturing unit and the precision width capturing unit, and the output ends of the integer width capturing unit and the precision width capturing unit are respectively connected with the arithmetic unit. According to the pulse signal width detection circuit, through the technical scheme that a plurality of sampling logic modules are formed by adopting delay clock signals and edge extraction is carried out by adopting a logic circuit, rapid capture and high-precision width detection of pulse signals to be detected are realized. 本发明公开了一种脉冲信号宽度检测电路及芯片。该脉冲信号宽度检测电路包括整数宽度捕获单元、精度宽度捕获单元和运算单元。其中，待测脉冲信号的输入端及时钟信号的输入端分别与整数宽度捕获单元和精度宽度捕获单元连接，整数宽度捕获单元和精度宽度捕获单元的输出端分别与运算单元连接。该