Interface Circuit Data Read Stability via Synchronized Strobe Signals
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Solution Overview
Problem
Current memory systems face challenges in maintaining data stability during read operations due to latency issues between semiconductor memory and interface circuits, which can lead to reduced reliability and completion of data reception preparation operations.
Innovation Solution
Incorporating an interface circuit that mediates data communication between a controller and semiconductor memory, utilizing a read enable signal and data strobe signal to synchronize data transmission, ensuring that read data is transmitted with the same latency as semiconductor memory data, thereby improving data stability and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an interface circuit is introduced to mediate data communication between controller and semiconductor memory, then data transmission stability is improved, but device complexity increases
Solution Approach 1:
The interface circuit serves as an intermediary component between the controller and semiconductor memory, mediating data communication to improve stability. The circuit includes a data strobe signal generation unit that generates synchronized signals and a data transmission unit that handles data transfer, acting as a buffer and coordinator to resolve latency issues without requiring fundamental changes to the core architecture.
2Reliability
If data transmission is synchronized with data strobe signal, then read data stability is improved, but time for data reception preparation is reduced
Solution Approach 1:
The interface circuit performs preliminary actions by pre-generating data strobe signals and preparing data transmission pathways before actual data transfer occurs. The data strobe signal generation unit operates in advance to establish timing references, allowing the controller to prepare reception buffers and control logic beforehand, thus reducing overall preparation time while maintaining synchronization.
3Reliability
If interface circuit uses same latency as semiconductor memory, then data reception completion is improved, but system response speed is reduced
Solution Approach 1:
The interface circuit implements dynamic latency adjustment capabilities, allowing the data transmission timing to be flexibly configured based on operational requirements. The circuit can adapt its internal timing parameters to match the semiconductor memory's latency characteristics when needed for reliability, while also providing mechanisms to optimize response speed during performance-critical operations through dynamic reconfiguration of data strobe signal timing.
Data Source
AI summary
The present technology includes a memory system and a method of operating the memory system. The memory system includes a memory device including an interface circuit, the interface circuit storing first system data, and a semiconductor memory; and a controller configured to output a read enable signal and a first read command for the first system data to the memory device. The semiconductor memory transfers a data strobe signal to the interface circuit in response to the read enable signal, the interface circuit reads the first system data in response to the first read command and transmits the read first system data to the controller in synchronization with the data strobe signal.