Dynamic Internal Voltage Generation for Semiconductor Overclocking
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Solution Overview
Problem
Semiconductor devices fail to improve internal circuit performance when the external power supply voltage is increased, as the internal voltages generated remain constant, limiting the potential benefits of overclocking operations.
Innovation Solution
Incorporating a voltage level detection unit and internal voltage generation unit that dynamically adjust internal voltage levels based on the external power supply voltage, allowing for selective output of multiple reference voltages to enhance internal circuit performance during overclocking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the external power supply voltage is increased for overclocking operations, then the performance of the semiconductor device is improved, but the internal voltages generated from the internal voltage generation circuit maintain constant voltage levels and cannot be improved
Solution Approach 1:
The patent implements dynamic voltage adjustment by introducing a voltage level detection unit that monitors the external power supply voltage and dynamically selects appropriate internal voltage levels through a selection unit. This allows the internal voltage generation circuit to adapt its output voltage levels based on the actual external voltage conditions, transforming the static voltage generation into a dynamic system that responds to changing power supply conditions.
Solution Approach 2:
The patent employs feedback mechanisms where the voltage level detection unit continuously monitors the external power supply voltage and feeds this information back to the selection unit. The selection unit then adjusts the internal voltage output based on this feedback, ensuring that the internal voltages are optimized for the current operating conditions. This closed-loop control enables the system to maintain optimal performance across varying power supply voltages.
2Reliability
If the internal voltage generation circuit maintains constant voltage levels for stability, then the device operates reliably, but the performance cannot be improved when the power supply voltage rises above the target level
Solution Approach 1:
The patent changes the operating parameters of the voltage generation circuit by introducing multiple selectable voltage levels. Instead of maintaining a single fixed voltage level, the circuit can switch between different voltage levels (e.g., first internal voltage level, second internal voltage level) based on the external power supply conditions. This parameter change enables the system to optimize performance while maintaining stability through controlled transitions between voltage states.
Solution Approach 2:
The patent transforms the static voltage generation system into a dynamic one by adding voltage level detection and selective switching capabilities. The system can now adapt its voltage output in real-time based on external conditions, allowing it to maintain stability during normal operation while enabling performance improvement when higher power supply voltages are available for overclocking operations.
Data Source
AI summary
A semiconductor device is capable of generating an internal voltage having a voltage level that is dependent on an external power supply voltage. The semiconductor device includes an internal voltage generation unit configured to generate a plurality of internal voltages having different voltage levels by using an external power supply voltage, a voltage level detection unit configured to detect a voltage level of the external power supply voltage, and a selection unit configured to selectively output one of the internal voltages in response to a detection result of the voltage level detection unit.