AT27C080-90PI

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The AT27C080-90PI is a non-volatile static random access memory (SRAM), is a semiconductor device that provides high performance in data storage and retrieval applications. It is designed to store up to 8 megabytes (MB) of data in a single integrated circuit (IC) package. The memory is organized into two separate address spaces, each addressing 8 megabytes of data. These two separate addresses are referred to as "P0" and "P1". Each address space is able to store up to 4K words of data.

The AT27C080-90PI includes an internal static RAM array, a static RAM controller, and two distinct address spaces, referred to as P0 and P1. The static RAM array contains the main memory, which is organized into 4 bits per word. Each bit is referred to as a cell. The static RAM controller manages the transfer of data between the main memory and the address space P0 and P1. In general, the controller will access data from one address space and store it in the other.

The AT27C080-90PI SRAM works in two modes: "First-Level Access Mode" and "Second-Level Access Mode". In First-Level Access Mode, an instruction is issued to the SRAM controller. The controller then interprets the instruction and decides which address space it needs to access. The instruction may require accessing one or both of the address spaces. Once the instruction is interpreted, the controller then accesses the appropriate address space and stores the data in the 800 cells per address space. In Second-Level Access Mode, the SRAM controller performs the same tasks as in First-Level Access Mode, but instead of accessing both address spaces, it only accesses one address space.

The AT27C080-90PI SRAM is commonly used in embedded systems, automotive systems, and industrial automation applications. It offers the advantage of being able to access large amounts of data quickly and reliably. It is ideal for applications that require extremely fast read and write times, such as in data transfer and storage. In addition, the AT27C080-90PI is also used in applications such as data logging, high-speed aircraft flight data acquisition systems, and first-in/first-out data buffering.

The AT27C080-90PI SRAM is a high-performance memory device that is highly reliable, cost-effective, and power efficient. It is compliant with the JEDEC electrical standard, allowing for reliable operation over a wide range of operating temperatures and voltage levels. It offers excellent performance, making it ideal for applications where speed and accuracy are essential. Furthermore, the AT27C080-90PI has a built-in watchdog timer to detect errors, helping to ensure the safety and reliability of your system.

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