Nonvolatile Memory Write Overlay Window Segmentation
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Solution Overview
Problem
Current nonvolatile memory devices do not allow direct write operations to the physical memory, requiring the opening of an overlay window for data transmission, which can be cumbersome and necessitates protocol-specific commands, limiting flexibility and efficiency in data storage and retrieval processes.
Innovation Solution
Implementing separate overlay windows for read and write operations, where write overlay windows can remain permanently open for direct write capabilities, and read overlay windows can be opened independently, eliminating the need for protocol-specific commands to initiate write operations and allowing for flexible data management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If separate overlay windows for read and write operations are implemented, then ease of operation is improved, but device complexity increases
Solution Approach 1:
The patent divides the overlay window functionality into separate read and write overlay windows. This segmentation allows independent management of read and write operations, enabling write operations to proceed without requiring explicit opening commands while read operations maintain their traditional overlay window requirements. The separation resolves the technical contradiction by improving operational ease for writes while accepting increased device complexity through additional window structures.
2Productivity
If write overlay windows remain permanently open for direct write capabilities, then productivity is improved, but loss of information increases
Solution Approach 1:
The patent implements preliminary action by maintaining write overlay windows in a permanently open state before write operations are initiated. This allows direct write capabilities to be immediately available without requiring explicit opening commands, thereby improving productivity. The system prepares the write pathway in advance while using initialization sequences to ensure proper state management and prevent information loss.
Solution Approach 2:
The patent applies parameter changes by modifying the state parameter of write overlay windows from transient (opening/closing) to persistent (permanently open). This parameter change enables continuous write capability while the initialization sequence manages the transition to operational states, ensuring data integrity and preventing information loss during the state transition.
3Ease of operation
If protocol-specific commands are eliminated for write operations, then ease of operation is improved, but reliability may worsen
Solution Approach 1:
The patent implements self-service by enabling write operations to proceed automatically without requiring explicit opening commands or protocol-specific instructions. The write overlay window's permanently open state allows the system to serve write requests directly, improving ease of operation. The initialization sequence ensures proper configuration, maintaining reliability while eliminating the need for complex command protocols.
Data Source
AI summary
Methods and systems are provided that may include a memory device having a physical nonvolatile memory, a memory space, and a controller. At least a portion of a physical nonvolatile memory may permit a direct read operation of the physical nonvolatile memory and prohibit a direct write operation of the physical nonvolatile memory. A memory space may comprise at least open one write overlay window available after a reset operation. Such a memory space may be adapted to permit at least one read overlay window to be opened that is logically separate from at least one open write overlay window. A controller may be included to open at least one read overlay window.