RAM Pin Register for Data Signal Direction and Bitwidth
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Solution Overview
Problem
Conventional random access memories face challenges in achieving high-speed data transfer and low latency due to the inefficiency in switching bidirectional buffers during frequent read and write operations, which limits their ability to flexibly cope with various program processing requirements in information processing systems.
Innovation Solution
A system that includes a random access memory with a data signal line and a data-synchronization signal line, where a setting module determines the usage mode of these lines to optimize data transfer by setting them for common input/output, input-only, or output-only use, allowing for independent operation of read and write signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a bidirectional buffer is used to control data signals in a random access memory, then the memory can handle both read and write operations through a single data signal line, but the switching time between read and write modes increases, reducing data transfer speed
Solution Approach 1:
The data signal lines are segmented into multiple independent unidirectional data signal lines (first data signal line for write operations, second data signal line for read operations). This segmentation eliminates the need for bidirectional buffer switching, allowing simultaneous or alternating read and write operations without switching delays, thereby resolving the contradiction between adaptability and speed.
2Device complexity
If a bidirectional buffer is used for data signals, then the memory structure is simplified, but the latency for communication control programs increases due to switching delays
Solution Approach 1:
By segmenting the data signal lines into dedicated unidirectional lines for read and write operations, the patent eliminates bidirectional buffer switching delays that cause latency. The simplified structure is maintained through the use of separate but parallel signal lines rather than complex bidirectional buffering mechanisms.
3Productivity
If data signal lines are configured for frequent alternating read and write operations, then media processing efficiency improves, but bidirectional buffer switching time increases, reducing overall performance
Solution Approach 1:
The patent segments data signal lines into dedicated unidirectional lines (first data signal line for write, second data signal line for read), eliminating bidirectional buffer switching delays. This enables frequent alternating read and write operations for media processing without performance degradation, as each operation type has its own dedicated signal path.
4Ease of operation
If communication control programs require low latency for data read cycles, then system responsiveness improves, but bidirectional buffer switching delays increase latency
Solution Approach 1:
By providing a dedicated second data signal line for read operations separate from the first data signal line used for write operations, the patent eliminates bidirectional buffer switching delays. This dedicated path ensures low latency for data read cycles, improving system responsiveness for communication control programs.
Data Source
AI summary
A random access memory includes a data signal line, a data-synchronization signal line for a data synchronization signal which provides a synchronization signal when data is transmitted to the data signal line, and a setting module. The setting module determines whether the data signal line is set to be a data signal line for common input/output use, a data signal line for output-only use, or a data signal line for input-only use, and further determines whether the data-synchronization signal line is set to be a data-synchronization signal line for common input/output use, a data-synchronization signal line for output-only use, or a data-synchronization signal line for input-only use.