AI Circuit Memory Device Signal Adjustment
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Solution Overview
Problem
The performance of memory devices is affected by changes in their current-voltage characteristic curve due to environmental and usage-related factors, leading to instability in operations such as programming, reading, and erasing.
Innovation Solution
A memory device equipped with an embedded artificial intelligence (AI) circuit that adjusts input signals to ideal levels based on detected environmental information and performance data from the memory array, ensuring optimal operation despite changes in the current-voltage characteristic curve.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the memory device operates without environmental adaptation, then the device complexity is low, but the reliability deteriorates due to I-V curve changes
Solution Approach 1:
The patent implements feedback mechanisms where the AI circuit continuously receives performance information from the memory array and environment information from detection circuits, then adjusts input signals accordingly. This closed-loop feedback system enables the memory device to automatically compensate for I-V curve changes caused by environmental factors and usage time, maintaining reliable operation without requiring manual intervention or complex external calibration systems.
Solution Approach 2:
The memory device performs self-adjustment through the embedded AI circuit that autonomously processes environmental data and performance metrics to generate corrected input signals. The system serves itself by automatically detecting deviations in its own performance and correcting them without external assistance, thereby maintaining reliability while avoiding the complexity of external calibration equipment or manual adjustment mechanisms.
2Reliability
If the memory device uses embedded AI circuit for signal adjustment, then the reliability is improved, but the device complexity increases
Solution Approach 1:
The AI circuit serves as an intermediary component between the signal generating circuit and the memory array. It receives the original input signal along with environmental and performance information, processes this combined information, and outputs a corrected signal that compensates for I-V curve variations. This intermediary approach allows the system to maintain reliability by isolating the complexity of AI processing from both the signal generation and memory operation sides, enabling modular integration without requiring complete system redesign.
3Reliability
If the memory device performs real-time signal adjustment, then the functional performance is maintained, but the use of energy increases
Solution Approach 1:
The AI circuit performs partial adjustment by focusing computational resources only on the specific parameters that affect memory performance, such as voltage and timing corrections based on detected environmental conditions. Rather than completely regenerating all signal parameters, the system applies targeted adjustments to the input signal, performing only the necessary computational actions required to maintain performance consistency, thereby reducing overall energy consumption compared to full-signal reprocessing.
Data Source
AI summary
A memory device and an intelligent operation method thereof are provided. The memory device includes a memory array, a signal generating circuit, an environment detecting circuit and an artificial intelligence (AI) circuit. The signal generating circuit is configured to generate an inputting signal. The environment detecting circuit is configured to detect at least one environment information. The AI circuit is connected among the memory array, the signal generating circuit and the environment detecting circuit. The AI circuit at least receives the inputting signal from the signal generating circuit, receives the environment information from the environment detecting circuit, receives a first performance information from the memory array, receives a second performance information from the AI circuit and outputs an ideal signal to the memory array according to the inputting signal, the environment information, the first performance information and the second performance information.