NMOS Data Output Circuit for Faster Storage Interface Switching
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Solution Overview
Problem
Existing semiconductor storage systems face challenges in achieving high data transmission rates, which are insufficient to meet the increasing demands of users.
Innovation Solution
The proposed storage system incorporates a data output unit with a pull-up unit and a pull-down unit, both implemented as NMOS transistors, along with switch units to facilitate efficient data transmission. This configuration allows for rapid voltage transitions from low to high or high to low, thereby enhancing data transmission speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If conventional data transmission structures are used, then device complexity is reduced, but data transmission rate is insufficient
Solution Approach 1:
The data output unit is segmented into separate pull-up and pull-down units, each independently controlled by switch units. This segmentation allows simultaneous voltage transitions in opposite directions, doubling the effective data transmission rate without proportionally increasing overall device complexity
Solution Approach 2:
The patent implements dynamic control of the pull-up and pull-down units through switch units that can independently activate each unit based on data requirements. This dynamic switching capability enables rapid voltage transitions and improves data transmission speed while maintaining manageable device complexity through controlled activation
2Speed
If separate pull-up and pull-down units are used, then voltage transition speed is improved, but manufacturing complexity increases
Solution Approach 1:
The pull-up unit and pull-down unit share common semiconductor structures including substrate, isolation layers, and electrode connections. This merging of common structures reduces manufacturing steps and complexity while maintaining the performance benefits of separate pull-up and pull-down units for rapid voltage transitions
3Speed
If rapid voltage transitions are implemented, then data transmission rate increases, but energy consumption increases
Solution Approach 1:
The switch units dynamically activate only the necessary pull-up or pull-down unit based on the required voltage transition direction. This dynamic control prevents simultaneous activation of both units, reducing unnecessary energy consumption while maintaining rapid voltage transition speeds for high data transmission rates
Solution Approach 2:
The control logic provides feedback control to the switch units, activating pull-up or pull-down units only when needed based on the current voltage state and data requirements. This feedback mechanism optimizes energy usage by avoiding redundant voltage transitions while maintaining high data transmission performance
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The storage system achieves increased data transmission rates and improved performance by reducing the time required for voltage conversions and optimizing the layout and manufacturing process through shared semiconductor structures.
Implementation Method 1
a pull-up unit and a pull-down unit, both implemented as NMOS transistors... allows for rapid voltage transitions from low to high or high to low
Data Source
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AI summary
The present disclosure provides a storage system including a data port. The data port includes a data output unit. The data output unit includes: a pull-up unit, having a control terminal, a first terminal and a second terminal, a first input signal being inputted to the control terminal, the first terminal being electrically connected to a power supply, the second terminal being connected to an output terminal of the data output unit, and the pull-up unit being a first NMOS transistor; and a pull-down unit, having a control terminal, a first terminal and a second terminal, a second input signal being inputted to the control terminal, the first terminal being electrically connected to a ground terminal, and the second terminal being connected to the output terminal of the data output unit. The present disclosure has the following advantages. The pull-up unit and the pull-down unit are provided, wherein the pull-up unit is an NMOS transistor, so that a voltage of the data output unit can be effectively accelerated from low to high or from high to low; that is, the time of conversion of the voltage of the data output unit from low to high or from high to low is reduced, thereby increasing a data transmission speed and improving the performance of the storage system.