Semiconductor Controller Pass-Through Data Retrieval
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Solution Overview
Problem
Existing semiconductor devices face challenges in efficiently saving data when a controller fails, as they require external devices for data retrieval, which can be costly and complex.
Innovation Solution
Incorporating a pass-through connector and controller that can switch between normal and pass-through modes, allowing direct access to external memory modules for data saving without relying on the host device, enabling data transfer between semiconductor devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If external devices are used for data retrieval when controller fails, then data can be saved, but the system becomes complex and costly
Solution Approach 1:
The patent introduces a pass-through connector as an intermediary component that enables direct access to the memory module when the controller fails. This connector acts as a mediator between the external reading device and the memory module, allowing data retrieval without requiring the controller to function. The pass-through connector simplifies the overall system architecture by providing a direct path that bypasses the complex controller logic.
2Reliability
If external devices are used for data retrieval when controller fails, then data can be saved, but the cost increases
Solution Approach 1:
The pass-through connector serves as a cost-effective intermediary that enables data retrieval without requiring expensive external controller functionality. By providing a direct connection path through the connector, the system can use simpler, less expensive external reading devices that connect directly to the memory module rather than requiring full controller functionality.
Solution Approach 2:
The patent extracts the data access function from the controller by providing a separate pass-through connector path. This allows the memory module to be accessed directly for data retrieval purposes without relying on the controller, effectively separating the data storage function from the data access control function and reducing overall system cost.
3Adaptability or versatility
If controller switches between normal and pass-through modes, then data access flexibility improves, but controller complexity increases
Solution Approach 1:
The controller is designed with dynamic switching capability that allows it to transition between normal operation mode and pass-through mode based on operational needs. In normal mode, the controller manages data access through standard protocols. When data retrieval is needed and the controller is functional, it can switch to pass-through mode to enable direct external access. This dynamic behavior provides flexibility while keeping the controller design relatively simple through mode-based functionality.
Solution Approach 2:
The controller is designed to perform multiple functions: normal data access control and pass-through data retrieval. By incorporating both functions into a single controller unit with switchable modes, the system achieves versatility without requiring separate dedicated hardware for each function, thereby managing complexity while enhancing adaptability.
4Speed
If direct access to external memory is enabled, then signal delays and noise interference are reduced, but device complexity increases
Solution Approach 1:
The patent extracts the direct access path from the controller by implementing a pass-through connector that bypasses the controller for data transfer operations. This creates a dedicated, direct connection between the external reading device and the memory module, eliminating signal delays and noise interference that would occur through the controller. The extraction of this direct path function reduces signal degradation while the modular connector design keeps overall device complexity manageable.
Data Source
AI summary
A semiconductor device includes a first substrate on which an interface unit connectable to a host device is provided, a first memory module on the first substrate, and a first controller on the first substrate. The first controller includes a control unit that controls the first memory module, and a switching unit that switches an operation mode in response to a command from the host device. A first connecting portion is provided on the first substrate and is electrically connected to the first memory module and the first controller. The first controller can directly access a second memory module through the first connecting portion. Thus, for example the first controller can read data stored in the second memory module depending on operation mode.