Abstract: A method of operating a memory system, which includes a memory controller and at least one non-volatile memory, includes storing, in the memory system, temperature-dependent performance level information received from a host disposed external to the memory system, setting an operation performance level of the memory system to a first performance level, operating the memory controller and the at least one non-volatile memory device according to the first performance level, detecting an internal temperature of the memory system, and changing the operation performance level of the memory system to a second performance level that is different from the first performance level. The operation performance level is changed by the memory controller of the memory system, and changing the operation performance level is based on the temperature-dependent performance level information and the detected internal temperature.

Abstract: A method of operating a memory system, which includes a memory controller and at least one non-volatile memory, includes storing, in the memory system, temperature-dependent performance level information received from a host disposed external to the memory system, setting an operation performance level of the memory system to a first performance level, operating the memory controller and the at least one non-volatile memory device according to the first performance level, detecting an internal temperature of the memory system, and changing the operation performance level of the memory system to a second performance level that is different from the first performance level. The operation performance level is changed by the memory controller of the memory system, and changing the operation performance level is based on the temperature-dependent performance level information and the detected internal temperature.

Abstract: The present invention relates to a payment apparatus and payment method using a mobile communication network. According to one embodiment of the present invention, the electronic payment service apparatus, which carries out payment using a mobile communication network, comprises: a transaction authentication unit which receives article purchase information from a transaction terminal and authenticates the transaction terminal; a transaction identification number information generating unit which generates transaction identification number information corresponding to the article purchase information received from the transaction terminal; and a payment authentication information generating unit which transmits the transaction identification number information to the transaction terminal, receives payment information corresponding to the transaction identification number information from a mobile communication terminal, and generates payment authentication information corresponding to the payment information.