Patent ID: 6304976
Filing Date: 2001-10-16
Classification: G06F

Abstract:
An apparatus, comprising:at least one memory unit storing data, said at least one memory unit generating a first signal when said at least one memory unit performs at least one selected from among a reading of data from said at least one memory unit and a writing of data to said at least one memory unit;a switch switching on to supply power to said at least one memory unit, and said switch switching off to cut off power supplied to said at least one memory unit;a control unit generating a power off signal when said at least one memory unit does not generate said first signal and said switch switches off, said control unit generating a power on signal when said switch switches on, said control unit preventing damage to said at least one memory unit by not generating said power off signal when said at least one memory unit generates said first signal; anda power supply supplying power to said at least one memory unit when said power on signal is received from said control unit, said power supply cutting off power supplied to said at least one memory unit when said power off signal is received from said control unit.