SEMICONDUCTOR STORAGE DEVICE

摘要

A semiconductor storage device is provided with an address terminal to which an address for reading storage data in a memory array is inputted; a clock input terminal for inputting an input clock; a data output terminal for outputting the data read from the memory array corresponding to the address; and a clock output terminal for outputting an output clock synchronized with the input clock. The clock output terminal constantly outputs either a first voltage or a second voltage, and only when effective data is outputted from the data output terminal, an output voltage is transited from the first voltage to the second voltage or from one voltage to the other.