Semiconductor Device Multi-Mode Data Path and Synchronization
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Solution Overview
Problem
Existing semiconductor devices face challenges in supporting various interface modes efficiently, which affects their compatibility and performance in different operational conditions.
Innovation Solution
The semiconductor device incorporates a data pad connected to multiple data paths and a synchronization path, enabling it to output different data signals in various modes based on a mode selection signal, data signal, reference signal, and data strobe signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a semiconductor device uses a single data path configuration, then the device structure remains simple, but the device cannot support various interface modes efficiently
Solution Approach 1:
The data interface is divided into multiple independent data paths (first data path, second data path, third data path), each capable of operating in different modes. This segmentation allows the device to support various interface modes by activating specific paths rather than requiring a completely reconfigurable single path, thereby improving adaptability while controlling complexity.
Solution Approach 2:
Multiple data paths are designed with universal functionality to handle different interface modes (first mode, second mode, third mode). Each data path can process data signals in its designated mode, and the collective system provides multi-mode support. This universal design enables a single device structure to fulfill multiple interface requirements without excessive complexity.
2Adaptability or versatility
If the semiconductor device adds multiple data paths to support various modes, then interface mode compatibility improves, but the device structure becomes more complex
Solution Approach 1:
Multiple data paths are merged at a common node where their outputs converge. This merging point allows the device to present a unified interface to external systems while internally supporting multiple modes through different paths. The common node simplifies the overall structure by providing a single convergence point rather than requiring separate output circuits for each mode.
Solution Approach 2:
A common node acts as an intermediary between the multiple data paths and the external interface. This intermediary element receives signals from different data paths operating in different modes and provides a standardized output interface. The common node mediates the complexity of multiple paths while maintaining simple external connectivity, thereby improving mode compatibility without proportionally increasing external interface complexity.
3Productivity
If the device uses different data paths for different modes, then operational efficiency in various modes improves, but synchronization across modes becomes more difficult
Solution Approach 1:
A synchronization path is implemented that monitors and coordinates the operation of multiple data paths. This feedback mechanism ensures that data signals from different paths (operating in different modes) are properly synchronized at the common node. The synchronization path provides feedback control to maintain timing relationships and data integrity across mode transitions, thereby ensuring reliability while allowing operational efficiency in each mode.
Data Source
AI summary
Disclosed is a memory device including a data pad, at least one merge node, a first data path coupled between the data pad and the at least one merge node and outputting, in a first mode, a first data signal to the at least one merge node based on a data signal, a reference signal and a mode selection signal; a second data path coupled between the data pad and the at least one merge node and outputting, in a second mode, a second data signal to the at least one merge node based on the data signal, the reference signal and the mode selection signal; and a synchronization path coupled to the at least one merge node and outputting, in one of the first and second modes, a corresponding signal of the first and second data signals as a data signal synchronized with at least one data strobe signal.