IS42S86400D-6TL

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IS42S86400D-6TL application field and working principle

Memory is fundamental component in computing systems. It currently comes in a variety of forms and capacities, such as DRAM, SRAM, and SDRAM. The IS42S86400D-6TL is a type of SDRAM (Synchronous Dynamic RAM), and is used in a variety of applications from desktop computers to mobile devices and more.

Application and Design

The IS42S86400D-6TL is a 200-pin SDRAM SODIMM. It has 5.95GB of capability and requires a 5V voltage source to operate. Its primary purpose is to provide a way to store and access data, while providing a means to transfer information between the memory and a device or controller. As a result, the IS42S86400D-6TL is commonly used in computing systems, mobile devices, and other embedded systems.

The design of the IS42S86400D-6TL is composed of DRAM components and a controller. Each DRAM component consists of two basic components, an array of transistors and an array of capacitors. The transistors are used for reading, writing, and erasing data in the memory cells, while the capacitors are used to store the data. The controller is responsible for controlling the access, read/write times, and frequency of processes.

Working Principle

The working principle of the IS42S86400D-6TL SDRAM is based around Column Access Strobe (CAS) and Row Access Strobe (RAS). CAS allows the controller to access a particular set of data, while RAS allows the controller to access a certain row of the memory. When the controller wishes to read a certain piece of information from memory, it first sends a CAS signal to the memory command line. This signal allows the controller to select a specific set of eight bits from the memory and transfers the data to the controller. Afterwards, it sends a RAS signal to the memory command line, allowing it to access the requested row of memory. After that, the data can be retrieved from that row.

In addition to these commands, the controller can also issue a Refresh command, which refreshes the memory data periodically. This is required because the capacitors used in the memory can lose their charge over time and the data stored in them can be lost. The Refresh command enables the controller to maintain the integrity of the data stored in memory.

Conclusion

The IS42S86400D-6TL is a type of SDRAM that is used in a variety of applications. It is composed of DRAM components and a controller, and it utilises a CAS/RAS structure to read/write data. Additionally, it has the capability to issue refresh commands in order to maintain the integrity of the stored data. For these reasons, the IS42S86400D-6TL is a frequently used type of SDRAM.

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