Patent ID: 9299414
Filing Date: 2016-03-29
CPC Classification: G11C

Claim Text:
1. A memory self-refresh device, adapted in a memory array, wherein the memory array comprises a plurality of memory cells, comprising: a first word-line selecting module, enabled by a first main word-line signal, comprising: a bit-line sense amplifier, self-refreshing one of the memory cells corresponding to a selected one of the first word line and the second word line according to a refresh signal; and a self-refresh controller, generating the first word-line driving signal, the second word-line driving signal, the first main word-line signal, and the refresh signal to self-refresh the one of the memory cells corresponding to a selected one of the first word line and the second word line, wherein the self-refresh controller maintains the first main word-line at the same logic level when the first word line switching to the second word line, wherein the self-refresh controller further comprises: