Low-Temperature Memory Throttling with Host-Driven Dummy Data
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Solution Overview
Problem
Memory devices experience errors during read and write operations when operating outside a safe temperature range, leading to inefficiencies and potential hardware damage.
Innovation Solution
Implementing host device-initiated low temperature thermal throttling by moving dummy data from the host device to the memory device to increase its temperature and stabilize it within a safe operating range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If memory device operates at low temperature to reduce thermal damage, then thermal stress is reduced, but read and write errors increase due to operating outside safe temperature range
Solution Approach 1:
The patent implements dynamic temperature management by transitioning between two operational modes: normal operation mode for standard read/write tasks, and low temperature thermal throttling mode when thermal stress thresholds are approached. The system dynamically adjusts operating parameters based on real-time temperature monitoring, allowing the memory device to adapt its performance characteristics to current thermal conditions while maintaining reliability across varying temperature ranges.
Solution Approach 2:
The system changes operational parameters based on temperature conditions. When thermal stress becomes excessive, the controller initiates thermal throttling by modifying write amplification factors and adjusting data transfer rates. These parameter changes reduce the intensity of operations that generate heat, thereby lowering thermal stress while maintaining acceptable levels of read and write reliability.
2Reliability
If memory device operates at high temperature to maintain safe operating range, then read and write errors are reduced, but thermal stress and potential hardware damage increase
Solution Approach 1:
The patent implements periodic thermal management cycles where the system monitors temperature continuously and initiates thermal throttling operations when temperature thresholds are approached. The controller periodically assesses thermal conditions and adjusts operational intensity accordingly, creating a rhythm of normal operation followed by controlled throttling periods. This periodic action prevents sustained high-temperature operation that would cause thermal damage while maintaining reliability during normal operational windows.
3Object-affected harmful factors
If thermal throttling operation is initiated to reduce thermal stress, then hardware protection is improved, but data transfer efficiency decreases due to moved data not being immediately available
Solution Approach 1:
The patent implements preliminary data staging during thermal throttling operations. When the controller detects the need for thermal management, it begins moving data to a staging buffer or cache memory before the actual thermal throttling sequence commences. This preliminary action ensures that when thermal operations are completed, the data is already positioned and ready for immediate transfer to the host system, thereby minimizing the efficiency penalty associated with thermal throttling while still achieving the necessary thermal stress reduction.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Reduces the likelihood of errors and protects hardware by maintaining the memory device within a safe temperature range, ensuring reliable operation and extending device lifespan.
Implementation Method 1
moving dummy data from the host device to the memory device to increase its temperature
Data Source
AI summary
Implementations described herein relate to host device initiated low temperature thermal throttling. A memory device may receive, from a host device, a low temperature thermal throttling command that indicates for the memory device to initiate a thermal throttling operation based on a temperature of the memory device not satisfying a temperature threshold. The low temperature thermal throttling command may indicate an amount of dummy data to be moved from the host device to a particular location of the memory device associated with the thermal throttling operation. The memory device may perform the thermal throttling operation based on moving the dummy data from the host device to the particular location of the memory device. The memory device may complete the thermal throttling operation based on moving the amount of data from the host device to the particular location of the memory device.