Voltage Supply Controller for Semiconductor Memory Devices
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Solution Overview
Problem
Existing semiconductor devices lack efficient methods for selectively supplying voltage to multiple semiconductor memory devices, leading to increased decoding complexity and leakage current in non-activated devices.
Innovation Solution
A semiconductor device with a voltage supply controller that selectively supplies voltage to activated semiconductor memory devices through separate power lines, reducing decoding complexity and leakage current by activating only the necessary memory cells and blocks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If voltage is supplied to all semiconductor memory devices simultaneously, then all devices can be activated, but decoding complexity increases and leakage current increases in non-activated devices
Solution Approach 1:
The voltage supply system is segmented into separate power lines for different memory devices. The voltage supply controller divides the power supply paths so that each memory device can be independently controlled, allowing voltage to be supplied only to activated devices rather than all devices simultaneously. This segmentation reduces both decoding complexity and leakage current in non-activated devices.
Solution Approach 2:
The patent implements dynamic voltage supply control where the voltage supply controller dynamically adjusts power distribution based on activation status. By dynamically enabling or disabling voltage supply to specific memory devices based on their activation state, the system reduces leakage current in inactive devices while maintaining ease of operation through selective power management.
2Productivity
If voltage is supplied to all memory cells and blocks, then all memory operations can be performed, but power consumption increases
Solution Approach 1:
The voltage supply controller implements local quality control by providing voltage selectively to specific memory cells and blocks that require operation. Instead of uniform voltage supply across all memory components, the system applies power locally only where needed based on activation status, thereby maintaining high memory operation efficiency while reducing overall power consumption.
Solution Approach 2:
The patent applies partial action by supplying voltage to only the necessary portion of memory cells and blocks that are currently activated, rather than providing excessive power to all memory components. This partial voltage supply approach maintains productivity for active operations while significantly reducing power consumption by excluding inactive components from the power distribution.
Data Source
AI summary
A semiconductor device, a semiconductor system including the same, and a voltage supply method of the semiconductor device are provided. The semiconductor device includes at least two semiconductor memory devices and a voltage supply controller configured to selectively supply a voltage to each of the at least two semiconductor memory devices.