REFRESH CIRCUIT AND MEMORY
DE602021055697T2Active Publication Date: 2026-06-10CHANGXIN MEMORY TECH INC
Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- CHANGXIN MEMORY TECH INC
- Filing Date
- 2021-07-16
- Publication Date
- 2026-06-10
AI Technical Summary
Technical Problem
Conventional refresh operations in volatile memory waste current due to unnecessary refreshes under slower process corners, as they follow a fixed time interval based on faster process corners, leading to inefficiencies.
Method used
A refresh circuit that adjusts the execution proportion and number of rows refreshed based on the process corner, ensuring timely refresh under faster corners and minimizing unnecessary refreshes under slower corners by using a shielding mechanism and adaptive row addressing.
Benefits of technology
Reduces current waste by optimizing refresh operations according to process corners, ensuring timely refresh without unnecessary operations, thus enhancing efficiency and reducing power consumption.
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