Training Controller Phase Synchronization Reset Mechanism
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Solution Overview
Problem
High-speed semiconductor memory devices face challenges in maintaining accurate data transmission due to phase mismatches between clock and data signals, leading to training errors and instability in data transfer.
Innovation Solution
A training controller system that includes read and write training circuits, along with a reset controller, to synchronize data transfer operations and generate reset signals when mismatches occur, ensuring appropriate setup and hold times for data transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If data training is performed to adjust setup and hold times, then data transmission accuracy is improved, but device complexity increases
Solution Approach 1:
The system performs self-diagnosis by comparing input data with output data to detect training errors, and automatically generates reset signals to correct mismatches without external intervention, enabling the device to self-correct transmission accuracy issues
Solution Approach 2:
The system implements feedback by comparing input data with output data during training operations, detecting mismatches, and using this comparison result to generate appropriate reset signals that correct transmission errors, creating a closed-loop control system
2Productivity
If high-speed operation is implemented, then productivity is improved, but reliability deteriorates
Solution Approach 1:
The system continuously monitors data transmission by comparing input and output data during high-speed training operations, detecting errors in real-time, and generating reset signals to correct mismatches, ensuring reliable data transmission even at high speeds
Solution Approach 2:
The system performs data comparison and error detection during the training operation itself, before final data transmission occurs, allowing preventive correction of potential transmission errors through reset signal generation
3Measurement precision
If setup and hold times are adjusted for each data pin, then measurement precision is improved, but device complexity increases
Solution Approach 1:
The comparison circuit serves multiple functions by detecting both training errors and generating reset signals within a single integrated unit, eliminating the need for separate control circuits for each data pin while maintaining precise setup and hold time adjustment
Data Source
AI summary
A training controller, semiconductor device and a system including the same are disclosed, which relates to technology for training a phase of data. The training controller may include a read training circuit configured to control a read training operation based on a read signal and a control signal. The training controller may include a write training circuit configured to control a write training operation based on a write signal and a write training signal. The training controller may include a reset controller configured to generate a reset signal when a mismatch occurs in the read training operation or the write training operation.