Variable Strobe Interface for Memory Data Reception
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Solution Overview
Problem
Existing memory devices face compatibility issues with different strobe interfaces, requiring effective management to ensure seamless data input and output operations across various host applications.
Innovation Solution
A memory device with a variable strobe interface that can select between a data queue strobe signal and a system clock signal to initiate data receipt, utilizing a strobe selection module to configure the appropriate signal for data or command reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a memory device is configured to work with a specific strobe interface (either data queue strobe or system clock), then it achieves reliable data input/output operations with that interface, but it becomes incompatible with other strobe interfaces
Solution Approach 1:
The memory device incorporates a variable strobe interface that can selectively operate in multiple modes: data queue strobe mode for receiving data queue strobe signals, system clock mode for receiving system clock signals, and a hybrid mode for receiving both simultaneously. This multi-functionality allows the same memory device to be universally compatible with different host applications using different strobe interfaces, resolving the contradiction between reliability for a specific interface and adaptability across multiple interfaces
Solution Approach 2:
The memory device dynamically switches between different strobe interface configurations based on the operational mode selected through control signals. The strobe interface can transition between fixed configurations (data queue only, system clock only) and flexible configurations (both signals accepted), allowing the device to adapt its behavior to match the requirements of different host applications while maintaining reliable operation in each mode
2Stability of the object's composition
If a memory device uses a fixed strobe interface configuration, then it ensures stable and predictable data operations, but it requires multiple different memory devices for different host applications
Solution Approach 1:
Instead of requiring separate memory devices for different host applications, the invention provides a single universal memory device with a variable strobe interface that can be configured to work with different strobe signals. This reduces system complexity by eliminating the need to stock and manage multiple device variants, while maintaining stable and predictable data operations through controlled mode selection
Solution Approach 2:
The memory device changes its operational parameters (strobe signal acceptance mode) based on control signals received from the host. By dynamically adjusting which strobe signals it accepts and how it processes them, the device can adapt to different host configurations without requiring physical reconfiguration or replacement, thereby reducing system complexity while maintaining operational stability
Data Source
AI summary
A memory device includes a variable strobe interface configured to select one of a data queue strobe signal or a system clock signal to signal initiation of data receipt at the memory device.