Memory Trim Selection for Programming Speed and Device Life
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Solution Overview
Problem
Existing memory devices lack the ability to efficiently adjust operational characteristics such as life span, data retention, storage density, and power consumption based on specific application needs, leading to suboptimal performance in various electronic devices.
Innovation Solution
Implementing selectable trim settings on memory devices that allow for the selection of specific trim setting configurations to control operational characteristics like programming signal magnitude, erase signal magnitude, and programming operation rate, thereby optimizing performance for desired applications.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If memory devices use fixed operational parameters, then manufacturing and operation are simplified, but performance cannot be optimized for different application needs
Solution Approach 1:
The patent implements selectable trim settings that allow memory devices to dynamically adjust operational characteristics such as programming signal magnitude, erase signal magnitude, and programming operation rate. This enables the device to adapt its behavior based on different application requirements, transforming a static system into a dynamic one that can optimize performance for various use cases.
Solution Approach 2:
The patent changes operational parameters by providing multiple trim setting configurations that modify key parameters including programming signal magnitude, erase signal magnitude, and programming operation rate. These parameter changes allow the memory device to optimize its performance characteristics for different applications without requiring different hardware designs.
2Productivity
If memory devices operate with high programming signal magnitude, then programming speed is improved, but power consumption and device stress increase
Solution Approach 1:
The patent allows dynamic selection of programming signal magnitude through different trim settings. Users can choose higher magnitudes for faster programming when power is available, or lower magnitudes for power-constrained applications, enabling flexible optimization of the trade-off between programming speed and power consumption based on real-time requirements.
Solution Approach 2:
The patent provides different trim setting configurations that directly control the programming signal magnitude parameter. By selecting appropriate trim settings, the system can adjust this parameter to achieve optimal balance between programming speed and power consumption for different operating conditions.
3Productivity
If memory devices use higher programming operation rate, then productivity is improved, but device life span is reduced
Solution Approach 1:
The patent enables dynamic adjustment of programming operation rate through selectable trim settings. This allows the system to operate at higher rates for performance-critical applications or lower rates for applications requiring extended device life, providing flexibility to optimize the productivity-reliability trade-off based on specific application needs.
Solution Approach 2:
The patent includes trim setting configurations that control the programming operation rate parameter. By selecting appropriate trim settings, users can adjust this parameter to achieve the desired balance between programming productivity and device reliability for different operational scenarios.
4Quantity of substance
If memory devices are designed for high storage density, then capacity is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent provides trim settings that allow adjustment of operational parameters to compensate for variations in manufacturing precision. By tuning parameters such as programming and erase signal magnitudes, the system can achieve reliable operation across devices with varying levels of manufacturing precision, enabling high storage density without strictly requiring extreme manufacturing precision.
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
Enables memory devices to operate with optimized performance characteristics, such as extended life span, improved data retention, and reduced power consumption, tailored to the specific requirements of the application environment.
Implementation Method 1
resistive memory cells that can store data based on the resistance state of a storage element (e.g., a resistive memory element having a variable resistance)
Implementation Method 2
A state of a resistive memory cell can be determined by sensing current through the cell responsive to an applied interrogation voltage
Data Source
AI summary
The present disclosure includes apparatuses and methods related to selectable trim settings on a memory device. An example apparatus can store a number of sets of trim settings and select a particular set of trims settings of the number of sets of trim settings based on desired operational characteristics for the array of memory cells.