Memory Access Type Indicator Signal Preparation
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Solution Overview
Problem
Managed memory devices, despite their benefits, suffer from inefficiencies due to increased complexity, which can retard performance in electronic systems, particularly in systems requiring specific memory access protocols and features like secure purging and classification of memory content signals.
Innovation Solution
Incorporating an indicator signal into memory access command signals that informs the memory device of the intended memory access type, allowing the internal controller to manage control signals and prepare for specific memory access operations, such as secure purging or classification, thereby enhancing memory management routines.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If managed memory devices implement multiple memory access protocols and features (secure purging, classification), then functionality and adaptability are improved, but device complexity increases which retards performance
Solution Approach 1:
The host device performs preliminary action by setting the indicator signal in the command signal before the memory access operation. This indicates the intended memory access type in advance, allowing the managed memory device to prepare appropriate control signals and protocols beforehand, thereby managing complexity through advance planning rather than reactive handling of multiple protocols
Solution Approach 2:
The indicator signal acts as an intermediary element between the host device and the managed memory device. It conveys the memory access type information without requiring the memory device to internally determine or guess the protocol, thus simplifying the memory device's internal complexity while maintaining adaptability to different access types
2Productivity
If the memory device prepares for specific memory access operations using indicator signals, then memory access performance is improved, but the command signal structure becomes more complex
Solution Approach 1:
The command signal structure is segmented into distinct functional components: the indicator signal field that specifies the memory access type, and the data signal that carries the actual data. This segmentation allows the memory device to process the indicator signal separately to determine preparation requirements, then execute the data operation accordingly, improving performance without requiring complete redesign of the command structure
Solution Approach 2:
The indicator signal serves multiple functions: it identifies the memory access type, triggers appropriate preparation routines in the managed memory device, and enables optimization for specific operations like secure purging or classification. This multi-functionality improves performance across different access types without requiring separate dedicated signal structures for each operation
Data Source
AI summary
Subject matter disclosed herein relates to memory devices or accessing memory devices, and more particularly, but by way of example and not limitation, to preparation of a memory device to perform a memory access operation based at least partly on at least one indicator signal that indicates a memory access type.