Semiconductor Memory Circuit Region Layout Optimization
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Solution Overview
Problem
Conventional semiconductor memory devices have inefficiently utilized circuit regions, which limits their performance and effectiveness compared to other technologies.
Innovation Solution
The semiconductor memory device is designed with a memory cell array block and a circuit region arranged along a first direction, featuring a first region with first and second circuits aligned perpendicular to the first direction, and a second region with third circuits aligned in the same perpendicular direction, optimizing the layout and functionality of the circuit region.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the circuit region is arranged with regions along the bit line direction to accommodate circuits along the word line direction, then the circuits can be properly organized and connected, but the utilization efficiency of the circuit region is low
Solution Approach 1:
The patent transitions from arranging circuits solely along the word line direction to a two-dimensional arrangement where circuits are organized both along the word line direction and the bit line direction. This dimensional change allows more efficient use of the circuit region by utilizing both spatial dimensions for circuit placement, thereby increasing utilization efficiency while maintaining proper circuit organization and connections.
2Device complexity
If conventional circuit region layout is used, then the structure is simple to implement, but the performance and effectiveness are limited
Solution Approach 1:
The circuit region is divided into multiple distinct regions (first circuit region, second circuit region, third circuit region) with specific functional assignments. This segmentation allows each region to be optimized for its particular function while collectively achieving higher overall device performance. The segmented layout enables better organization of circuits along both word line and bit line directions, improving effectiveness without excessive complexity.
Data Source
AI summary
Disclosed is a semiconductor memory device comprising a memory cell array block, and a circuit region arranged with the memory cell array block along a first direction. The circuit region comprises a first region and a second region arranged with the first region along the first direction. The first region is provided with a first circuit and a second circuit which are aligned in a second direction perpendicular to the first direction. The second region is provided with a plurality of third circuits which are aligned in the second direction.