Memory Device Low Voltage Operation Mode Transition
Solution Overview
Problem
Memory devices face performance degradation and potential deactivation when supply voltage drops below a threshold, leading to delays and inefficiencies, as they either deactivate or operate at reduced performance, which can result in further voltage drops and system instability.
Innovation Solution
Introducing a low voltage operation threshold, allowing memory devices to transition into a reduced performance mode instead of deactivation when supply voltage falls below the deactivation threshold, thereby maintaining operation and reducing current draw to prevent further voltage drops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the memory device operates at normal performance mode when supply voltage drops below deactivation threshold, then the memory device can maintain full functionality, but the current draw increases causing further voltage drops and potential deactivation
Solution Approach 1:
The memory device dynamically adjusts its performance mode based on detected supply voltage levels. When voltage drops below the low voltage operation threshold, the device transitions from normal performance mode to reduced performance mode, enabling adaptive operation that balances functionality with power consumption requirements
Solution Approach 2:
The patent changes operational parameters (performance level) based on supply voltage conditions. By detecting voltage levels and adjusting performance mode accordingly, the system modifies its operational characteristics to match available power, preventing deactivation while maintaining stability
2Use of energy by moving object
If the memory device deactivates when supply voltage drops below threshold, then power consumption is reduced, but system performance is degraded and reactivation delays occur
Solution Approach 1:
The memory device maintains continuous operation in reduced performance mode rather than deactivating completely. This allows useful action to continue uninterrupted, avoiding reactivation delays and maintaining system productivity even when supply voltage is low
Solution Approach 2:
The device performs partial operations at reduced performance level rather than full operations. By accepting reduced performance as sufficient for continued operation, the system avoids complete deactivation while consuming acceptable power levels
3Stability of the object's composition
If the memory device operates in reduced performance mode when supply voltage is low, then current draw is reduced preventing further voltage drops, but operational performance is degraded
Solution Approach 1:
The patent changes operational parameters (performance level) based on supply voltage conditions. By detecting voltage levels and adjusting performance mode accordingly, the system modifies its operational characteristics to match available power, preventing deactivation while maintaining stability
Data Source
AI summary
Methods, systems, and devices for reduced-voltage operation of a memory device are described. A memory device may operate in different operational modes based on a value of a supply voltage fir the memory device. For example, when the value of the supply voltage exceeds both a first threshold voltage and a second threshold voltage, the memory device may be operated in a normal operation mode. When the value of the supply voltage is between the first threshold voltage and the second threshold voltage, the memory device may be operated in a low voltage operation mode, which may be a reduced performance mode relative to the normal operation mode. When the value of the supply voltage is below the second threshold voltage, the memory device may be deactivated.