Patent ID: 9530499
Filing Date: 2016-12-27
CPC Classification: G06F,G11C

Claim Text:
1. A semiconductor memory device comprising: a memory which stores data pieces and search information including entries, each entry being associated with a search key for specifying one data piece and a real address at which the data piece is stored; and a controller, which, upon reception of a first command which includes a first operand, specifies a search key in the first operand and a key type, and instructs outputting of one data piece corresponding to one entry which includes the search key specified by the first command, outputs one data piece corresponding to one entry, the one entry including the search key specified by the first command, when the first command specifies text as the key type, and when the first command specifies one logical address as the search key in the first operand and an address as the key type, outputs one data piece corresponding to one entry including a real address and the logical address specified as the search key, wherein the first command is able to specify a parameter which specifies a basis on which found data pieces are ranked, and the controller outputs data pieces in order based on the specified basis.