SEMICONDUCTOR DEVICE, NONVOLATILE SEMICONDUCTOR MEMORY, SYSTEM INCLUDING A PLURALITY OF SEMICONDUCTOR DEVICES OR NONVOLATILE SEMICONDUCTOR MEMORIES, ELECTRIC CARD INCLUDING SEMICONDUCTOR DEVICE OR NONVOLATILE SEMICONDUCTOR MEMORY, AND ELECTRIC DEVICE WITH WHICH THIS ELECTRIC CARD CAN BE USED

摘要

A semiconductor device of this invention includes a first circuit for initializing a predetermined circuit in accordance with the level of a power source voltage, a second circuit for controlling the output from the first circuit by activation or deactivation, and an activation control circuit for activating or deactivating the second circuit in accordance with external input.