Buffer Chip Segmentation for Simultaneous Signal Transmission
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Solution Overview
Problem
Existing storage devices face inefficiencies as they must temporarily stop data signal communication to transmit command/address signals, which can slow down operation speed.
Innovation Solution
A storage device design that includes a memory controller, a buffer chip with separate channels for chip enable/command/address signals and data signals, and a memory device with distinct storage areas for write and read operations, allowing simultaneous transmission of signals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiple data channels are used to mediate communication between data signals and command/address signals, then the integration of the storage device is increased, but the operation speed is slowed down because the buffer chip must temporarily stop communication of data signals to transmit command/address signals
Solution Approach 1:
The buffer chip is divided into multiple independent channels: a first channel dedicated to transmitting command/address signals and a second channel dedicated to transmitting data signals. This segmentation allows simultaneous operation of both signal types without mutual interference, resolving the contradiction between integration and operation speed.
Solution Approach 2:
The buffer chip acts as an intermediary device with separate transmission paths for different signal types. By introducing distinct channels as intermediaries between the memory controller and storage areas, the system enables parallel communication of command/address signals and data signals, maintaining high integration while preserving operation speed.
2Device complexity
If a single channel is used for both command/address signals and data signals, then the device structure is simplified, but the productivity is reduced due to the need to pause data signal transmission for command/address signal communication
Solution Approach 1:
The communication interface is segmented into functionally independent channels: a first channel for command/address signals and a second channel for data signals. This segmentation enables concurrent transmission of different signal types, eliminating the need to pause data communication and thereby maintaining high productivity while keeping the channel structure manageable.
Solution Approach 2:
The buffer chip provides multi-functional capability by handling both command/address signals and data signals through separate channels simultaneously. This universal interface design allows the storage device to maintain simplified overall structure while achieving high productivity through parallel signal processing.
Data Source
AI summary
Provided is a storage device that simultaneously exchanges signals with at least one storage area, the storage device including a memory controller configured to generate at least one of a chip enable signal and a one command/address signal, a buffer chip configured to receive the chip enable signal, the command/address signal, and a data signal from the memory controller, and a memory device including at least one storage area configured to perform at least one of a write operation and a read operation, based on the command/address signal and the data signal received by the buffer chip.