Semiconductor device having a delay circuit for adjusting the timing of control signals

摘要

A semiconductor device comprising: a power source voltage detecting member for outputting a voltage detection signal in accordance with a power source voltage; and a delay member which includes an input portion for receiving an input signal, a plurality of delay portions connected to the input portion, a selective portion for selecting one of the delay portions in accordance with the voltage detection signal and an output portion for outputting a delay signal obtained by delaying the input signal by the one of the delay portions.