Patent · US Active

Temperature-dependent refresh operations

US12353736B2 · kind B2 · utility

0Cited by

7References

23Claims

0Family size

Assignee

Micron Technology, Inc. · US

Inventors

Martin Brox · Munich, DE
Elena Cabrera Bernal · Munich, DE
Milena Ivanov · Unterhaching, DE
Manfred Hans Plan · Hersbruck, DE
Oleg Sakolski · Munich, DE
Filippo Vitale · Dachau, DE

Key dates

Filing date	Aug 9, 2022
Grant date	Jul 8, 2025
Priority date	—
Expiry date	Aug 10, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG06F3/0653
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Methods, systems, and devices for temperature-dependent refresh operations are described. A memory system may adjust refresh operations based on a temperature of the memory system to reduce a refresh current and improve reliability of the refresh operations. For example, the memory system may include a temperature sensor configured to provide temperature information associated with a memory device. Based on the temperature information, the memory system may, in response to a refresh command, activate a set of access lines (e.g., word lines) to refresh memory cells coupled with the access lines, where a count of the set of access lines (e.g., how many access lines are included in the set) may be based on the temperature information. In some examples, the count of the set may be determined based on comparing the temperature information to one or more temperature thresholds.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.