Series:	--
Part Status:	Obsolete
Memory Type:	DDR4 SDRAM
Memory Size:	8GB
Speed:	2133MT/s
Package / Case:	288-RDIMM

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AQD-D4U8GR21-HZ Memory Modules and Its Working Principle

Memory modules are one of the most important elements of a computer system; they are basically semiconductor chips that are used to store data. The AQD-D4U8GR21-HZ is a special type of memory module designed for use in data-dense applications, such as embedded systems, communications devices, and real-time applications. It offers a wide range of capabilities, including high speed, reliability, and low latency.

Hardware Overview

The AQD-D4U8GR21-HZ is a dynamic, 64-bit, dual-channel memory module. It is manufactured using a 0.2-micron process and consists of 8 DDR4 DRAM chips. It has an integrated Pin Count Interface (PCI), which connects the module to a host system motherboard. It supports burst transfer speeds of up to 12.5 gigabytes per second (or 25 gigabytes per second in dual-channel mode). It also has provisions for write buffering and error checking and correction (ECC), and a key feature is its low latency.

Application Field

The AQD-D4U8GR21-HZ is designed for use in high-performance embedded systems, where minimization of data transfer latency and power consumption are paramount. It is ideal for high-speed data acquisition and signal processing tasks, and for communications applications such as wireless networking, video streaming, and multimedia applications. It is also a good choice for industrial automation, robotics, and aerospace applications.

Working Principle

The AQD-D4U8GR21-HZ memory module works by transferring data between the DRAM chips and the host system. In order to speed up the transfer, it uses a burst transfer mode, which allows the module to transfer data to the host at a higher speed than would be possible if data was transferred at a constant rate. This is achieved by transferring data in burst segments, which are broken up into a number of smaller data “packets” that are transferred in parallel. The module is also equipped with an error checking and correction (ECC) system that detects and corrects any errors that may occur during data transfer. This is particularly important for applications that require high reliability. The AQD-D4U8GR21-HZ also supports write buffering, which can reduce the amount of time required for data write operations. When write-back buffering is enabled, the system can write data to the memory module without waiting for the data to be written to the DRAM chips, thereby reducing the latency associated with write operations. Finally, the module has provisions for power conservation, which can be used to reduce energy consumption. This is achieved through various modes of operation, including dynamic voltage scaling, dynamic power management, and on-die termination.

Conclusion

The AQD-D4U8GR21-HZ is a powerful and highly reliable memory module that is ideal for use in data-dense applications. Its low latency, write buffering, and error checking and correction capabilities make it a good choice for high-speed data processing and communications applications. Furthermore, its power conservation features make it a good choice for energy-conscious applications.

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