Semiconductor Device Power Driving Circuit for Gapless Operation Stability
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Solution Overview
Problem
Semiconductor devices face instability and increased current consumption during gapless operations, leading to decreased power supply voltage levels, which can cause malfunctions due to excessive pulse width increases in control signals.
Innovation Solution
The semiconductor device includes a driving control signal generation circuit, a power driving circuit, and a read control signal generation circuit that determine and adjust the supply voltage levels based on the type of gapless operation performed, ensuring stable voltage supply and preventing malfunction by controlling the pulse width of control signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gapless operation is performed to achieve high-speed operation, then productivity is improved, but power supply voltage level decreases
Solution Approach 1:
The power driving circuit dynamically adjusts the supply voltage level based on the operation type. During gapless operations, the circuit detects the continuous command toggling and automatically drives the supply voltage to a higher power supply voltage level, ensuring stable operation while maintaining high-speed performance
Solution Approach 2:
The invention changes the voltage parameter adaptively by detecting gapless operation conditions through command monitoring. When gapless read/write/active/precharge operations are detected, the power driving circuit switches the supply voltage from normal level to elevated power supply voltage level, resolving the voltage drop issue while preserving high-speed operation benefits
2Productivity
If gapless operation is performed to achieve high-speed operation, then productivity is improved, but current consumption increases
Solution Approach 1:
The system dynamically monitors command patterns to detect gapless operations and responds by adjusting power supply parameters. The power driving circuit activates only during detected gapless operations, providing elevated voltage levels temporarily when needed, thus managing current consumption dynamically rather than maintaining high power continuously
Solution Approach 2:
The invention changes power supply parameters (voltage level) based on detected operation patterns. By monitoring command toggling and identifying gapless sequences, the system adjusts the supply voltage to power supply voltage level only during these high-current-demand operations, optimizing the balance between productivity and energy consumption
3Loss of energy
If supply voltage level decreases during gapless operation, then power consumption is reduced, but device reliability decreases
Solution Approach 1:
The driving control signal generation circuit implements feedback by continuously monitoring commands to detect gapless operation patterns. This feedback mechanism triggers the power driving circuit to adjust the supply voltage level, ensuring that reliability is maintained through automatic response to detected operational conditions
Solution Approach 2:
The system takes preliminary anti-action by detecting gapless operations in advance and proactively driving the supply voltage to power supply voltage level before voltage drop causes malfunction. This preemptive voltage adjustment prevents reliability issues before they occur
Data Source
AI summary
A semiconductor device may include a driving control signal generation circuit configured to generate a driving control signal by determining whether a corresponding operation is a gapless read operation, according to a read strobe signal. The semiconductor device may also include a power driving circuit configured to drive a supply voltage to a power supply voltage in response to the driving control signal, and a read control signal generation circuit configured to generate a read control signal for controlling a read operation from the read strobe signal in response to the supply voltage.