Frequency Divider Layout With Stacked Routing for Channel Uniformity
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Traditional frequency dividers in semiconductor manufacturing result in channel transmission differences between frequency-divided signals, leading to inefficiencies and reduced signal quality in integrated circuits.
Innovation Solution
A layout structure and method for a frequency divider with a frequency divider pattern layer and a conductor pattern layer, featuring centrosymmetrically arranged regions and stacked sub-conductor layers to reduce channel differences and improve signal transmission efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional frequency divider layout is used, then device complexity is reduced, but channel transmission difference increases leading to signal quality degradation
Solution Approach 1:
The patent introduces a multi-layer conductor pattern structure with stacked sub-conductor layers to reduce channel transmission differences. By transitioning from a single-plane layout to a three-dimensional stacked configuration, the invention balances signal transmission paths across different frequency divider regions, thereby improving signal quality while managing the increased structural complexity through systematic layering.
Solution Approach 2:
The patent employs centrosymmetric arrangement of frequency divider regions combined with asymmetric routing in the conductor pattern layers. This asymmetric design within a symmetric framework allows optimization of signal paths to minimize transmission differences, resolving the contradiction between maintaining simple device layout and achieving uniform signal quality across all channels.
2Manufacturing precision
If multi-layer conductor pattern is implemented, then channel transmission difference is reduced, but manufacturing process complexity increases
Solution Approach 1:
The conductor pattern layer is segmented into multiple stacked sub-conductor layers, each handling specific signal routing functions. This segmentation allows independent optimization of each layer's fabrication process, enabling precise control over channel transmission characteristics while managing manufacturing complexity through modular fabrication steps.
Solution Approach 2:
The multi-layer conductor pattern structure serves multiple functions simultaneously: it provides signal transmission, impedance control, and channel balancing. By designing the conductor layers to fulfill multiple roles, the invention achieves high manufacturing precision for channel uniformity without proportionally increasing fabrication process complexity, as the same structural elements perform multiple functions.
Data Source
AI summary
A layout structure and a method for fabricating the same. A frequency divider pattern layer includes a first frequency divider region, a second frequency divider region, a third frequency divider region and a fourth frequency divider region arranged centrosymmetrically. A conductor pattern layer includes a first sub-conductor pattern layer and a second sub-conductor pattern layer stacked. The first sub-conductor pattern layer is configured to communicate the first frequency divider region with the second frequency divider region, and communicate the third frequency divider region with the fourth frequency divider region. The second sub-conductor pattern layer is configured to communicate the first frequency divider region with the fourth frequency divider region, and communicate the second frequency divider region with the third frequency divider region. The embodiments reduce a channel transmission difference between different frequency dividers in a frequency divider structure.