Configurable Trim Settings for Memory Device Adaptability

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Solution Overview

Problem

Memory devices face challenges in optimizing operational characteristics such as life span, data retention, and power consumption due to fixed trim settings, which do not adapt to varying conditions or data types, leading to suboptimal performance.

Innovation Solution

Implementing configurable trim settings on memory devices that can be monitored and adjusted based on operational characteristics, die information, and metadata to achieve desired performance parameters, including programming signal magnitude, erase signal length, and allowable programming operation rate.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If fixed trim settings are used in memory devices, then device complexity is reduced and ease of manufacture is improved, but adaptability to varying conditions and data types deteriorates, leading to suboptimal performance

Engineering Contradiction:
Improveadaptability to varying conditionsVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic trim settings that can be adjusted during operation based on monitored performance metrics. The trim settings are no longer fixed but can be modified in response to changing conditions, allowing the memory device to adapt its programming signal magnitude, erase signal length, and other parameters to optimize performance for different data types and operational states.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system incorporates feedback mechanisms where operational characteristics such as programming speed, data retention, and error rates are monitored and used to adjust trim settings. This closed-loop control enables the memory device to automatically optimize its performance by comparing actual operation against desired characteristics and making real-time adjustments to trim parameters.

Inventive Principle:
Principle #23Feedback

2Reliability

If configurable trim settings are implemented to improve adaptability, then adaptability and performance are improved, but device complexity increases

Engineering Contradiction:
Improvedata retentionVSAvoiddevice complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The memory device performs self-diagnosis and self-optimization by monitoring its own operational characteristics and automatically adjusting trim settings without external intervention. The device serves itself by detecting performance degradation or suboptimal operation and autonomously modifying its parameters to maintain or improve data retention and reliability.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent utilizes parameter changes in trim settings such as programming signal magnitude, erase signal length, and programming operation rate to optimize memory cell programming and data retention. By systematically varying these parameters based on monitored performance, the system achieves improved reliability without requiring fundamental architectural changes.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If trim settings are adjusted to optimize programming speed, then productivity is improved, but power consumption may increase

Engineering Contradiction:
Improveprogramming speedVSAvoidpower consumption
Core Design Contradiction:
ProductivityVSUse of energy by moving object

Solution Approach 1:

The system dynamically adjusts programming parameters including signal magnitude and pulse duration based on real-time monitoring of programming speed and power consumption metrics. This allows the memory device to optimize the balance between programming speed and power usage, adapting to different operational requirements and thermal conditions.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements periodic monitoring and adjustment of trim settings during programming operations. Rather than using continuous high-power signals, the system employs pulsed or periodic programming signals with optimized duration and magnitude, achieving high programming speed while reducing overall power consumption through intelligent timing and signal characterization.

Inventive Principle:
Principle #19Periodic action

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

The configurable trim settings allow memory devices to operate with improved life span, data retention, and reduced power consumption, aligning with desired operational characteristics, enhancing overall performance and efficiency.

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)

Methodology Applied
Scientific EffectVariable resistance: Electrical 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. The sensed current, which varies based on the resistance level of the cell, can indicate the state of the cell.

Methodology Applied
Scientific EffectOhm's law: Ohm's Law

Data Source

PatentUS11853207B2Configurable trim settings on a memory device
Publication Date: 2023.12.26 MICRON TECHNOLOGY INC
  • US11853207B2 patent drawing
  • US11853207B2 patent drawing
  • US11853207B2 patent drawing

AI summary

The present disclosure includes apparatuses and methods related to configurable trim settings on a memory device. An example apparatus can include configuring a set of trim settings for an array of memory cells such that the array of memory cells have desired operational characteristics in response to being operated with the set of trim settings.