Heterogeneous Interconnect Routing for Dynamic Signal Reconfiguration
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Solution Overview
Problem
Existing programmable interconnect substrates rely on a single routing technology, which limits flexibility and efficiency in routing signals, particularly in handling both analog and digital signals, and does not allow for dynamic reconfiguration to meet power and performance metrics.
Innovation Solution
Implementing a heterogeneous routing network with a combination of bi-directional and uni-directional programmable routing networks on a single substrate, allowing for dynamic tuning of routing resources and power gating to minimize leakage current, enabling efficient routing of both analog and digital signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a single routing technology is used on the interconnect substrate, then the device complexity is reduced and manufacturing is simplified, but the adaptability and flexibility in routing both analog and digital signals are limited
Solution Approach 1:
The interconnect substrate is divided into multiple distinct routing networks: a first programmable routing network for digital signals and a second programmable routing network for analog signals. Each network is optimized for its specific signal type, allowing independent configuration and management. This segmentation enables the system to handle diverse signal requirements simultaneously while maintaining the simplicity of dedicated routing paths for each signal type.
2Manufacturing precision
If a single routing network handles both analog and digital signals, then the area occupied is reduced, but the manufacturing precision and signal integrity are compromised
Solution Approach 1:
The substrate is segmented into separate routing networks for analog and digital signals. The first routing network is dedicated to digital signals with appropriate timing and switching characteristics, while the second routing network is dedicated to analog signals with appropriate impedance and noise characteristics. This physical separation ensures that each signal type receives optimized routing treatment without interference from the other, maintaining high manufacturing precision for both signal types.
3Use of energy by moving object
If routing resources are dynamically reconfigured to meet power metrics, then energy efficiency is improved, but the device complexity and control overhead increase
Solution Approach 1:
The routing networks incorporate dynamic reconfiguration capabilities that allow the system to adapt routing paths based on real-time power and performance requirements. Configuration registers and control logic enable selective activation or deactivation of routing paths, allowing the system to minimize power consumption by disabling unused routing resources while maintaining the ability to quickly reconfigure for different operational modes. This dynamic approach balances power efficiency with manageable control complexity through standardized configuration interfaces.
Data Source
AI summary
Described are concepts related to the field of programmable interconnect substrates used in packaging electronics, and to stacked integrated circuits produced for application in low power and small form factor designs with fast prototyping and short mass-production cycle times. The concepts facilitate the dynamic reconfiguration of routing resources in the presence of an active system, and the tuning of routing paths to meet power and performance metrics.