发明名称 | DRAM sub-array level refresh | ||
摘要 | A memory controller coupled to a memory chip having a number of sub-arrays of memory cells is configured to determine a configuration of the memory chip. The memory controller is configured to read the sub-array configuration of the memory chip and to detect sub-array level conflicts between external commands and refresh operations. The memory controller keeps one or more non-conflicting pages open during the refresh operations. | ||
申请公布号 | US8982654(B2) | 申请公布日期 | 2015.03.17 |
申请号 | US201314088098 | 申请日期 | 2013.11.22 |
申请人 | QUALCOMM Incorporated | 发明人 | Dong Xiangyu;Suh Jungwon |
分类号 | G11C11/406 | 主分类号 | G11C11/406 |
代理机构 | Seyfarth Shaw LLP | 代理人 | Seyfarth Shaw LLP |
主权项 | 1. A method of refreshing a dynamic random access memory (DRAM), comprising: opening a page of the DRAM at a first row of a first DRAM bank of the DRAM, in which the first row of the first DRAM bank is in a first sub-array of the first DRAM bank; and refreshing a second row of the first DRAM bank before closing the first row of the first DRAM bank, in which the second row of the first DRAM bank is in a second sub-array of the first DRAM bank. | ||
地址 | San Diego CA US |