Flexible Interface Block for Semiconductor Die Coupling
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Solution Overview
Problem
Current electronic circuitry faces challenges in efficiently interfacing and communicating between multiple semiconductor dies, requiring complex configurations and protocols, which can lead to increased complexity and reduced flexibility in data and power signal transmission.
Innovation Solution
The implementation of flexible interface blocks within semiconductor dies, including interconnects, buffers, routing interfaces, and controllers, allows for customizable and scalable communication between dies, enabling efficient data and power signal transmission and supporting various protocols, with the option to arrange these blocks in various configurations such as rows or columns.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple semiconductor dies are coupled together to achieve desired functionality, then the functionality and capability of the electronic device are improved, but the complexity of interfacing and communication between dies increases
Solution Approach 1:
The flexible interface block is designed as a universal interface that can support multiple communication protocols and configurations. It includes programmable logic circuitry that can be configured to implement different protocols (e.g., CXL, HBM, DDR5), allowing a single interface structure to handle diverse communication needs between semiconductor dies, thereby improving functionality without proportionally increasing complexity
Solution Approach 2:
The flexible interface block acts as an intermediary between the core logic and external circuits. It includes buffers, interconnects, and controllers that mediate communication between dies, simplifying the interfacing complexity by providing a standardized intermediate layer that handles protocol conversion and signal conditioning
2Device complexity
If fixed interface configurations are used between semiconductor dies, then the device complexity is reduced, but the flexibility and adaptability of the interface are limited
Solution Approach 1:
The interface configuration is made dynamic through programmable logic circuitry that can be configured after fabrication. The flexible interface block can be programmed to support different protocols and communication modes, allowing the interface to adapt to different requirements without requiring multiple fixed interface types, thus maintaining low complexity while achieving high flexibility
Solution Approach 2:
The interface parameters such as data width, clock frequency, and protocol type can be changed through configuration of the programmable logic. This allows the same physical interface structure to operate with different parameters depending on the communication needs, providing flexibility without increasing structural complexity
3Ease of manufacture
If standardized protocols are used for communication between semiconductor dies, then the ease of manufacture is improved, but the loss of information and communication efficiency may increase
Solution Approach 1:
The communication interface is segmented into multiple functional blocks including buffers, interconnects, and programmable logic sections. This segmentation allows each block to be optimized for its specific function while maintaining overall standardization, enabling efficient communication without sacrificing manufacturing ease
Data Source
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AI summary
A semiconductor die includes at least one flexible interface block. The flexible interface block includes at least one interconnect, and at least one buffer coupled to the at least one interconnect. The flexible interface block further includes a routing interface coupled to circuitry integrated in the semiconductor die, and a controller coupled to provide communication between the routing interface and the at least one buffer.