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Logic - FIFOs Memory: 7201LA15JG Application Field and Working Principle

7201LA15JG is an SRAM based 128Kbits FIFO memory from Atmel. It is a logic-intensity FIFO memory, specifically designed to meet the wide-ranging needs of networking applications. It combines the FIFO feature with the most advanced CMOS SRAM technology, allowing it to offer a set of unique capabilities that make it the ideal solution for a variety of applications. This article will discuss the application field and working principle of 7201LA15JG.

Application Field

7201LA15JG is designed to offer the highest performance FIFO memory solutions for FPGA and ASIC applications. Since it is based on advanced CMOS SRAM technology, it is ideal for interfacing with a variety of logic and microprocessor cores. It can also be used for high-bandwidth applications, such as Ethernet switches, routers, and storage systems. Additionally, it is an ideal choice for networking applications that require robust performance and low latency.

7201LA15JG can also be used in a wide variety of applications, such as data streaming, buffering, flow control, and address matching. It is ideal for applications that require the transfer of data in different formats, such as networking protocols and packet payloads. Additionally, it is suitable for applications where the FIFO memory must be capable of operating over a wide range of temperatures, as well as in harsh or high-noise environments.

Working Principle

7201LA15JG works on the principle of FIFO (First-In-First-Out) memory technology. It is a logic-intensity FIFO memory, capable of moving data from a memory location to another with minimal delay. It stores and retrieves data from its internal SRAM, as well as from input queues and output queues. As with many FIFO memory designs, the 7201LA15JG is capable of operating in circular, linear, and queue modes.

In the circular mode, the 7201LA15JG will wrap around the base address of the FIFO, creating a circular buffer. Data can be written to either the input or the output queue, and then retrieved from the output queue when desired. The linear mode will store a fixed amount of data, and once it has reached its capacity it will start overwriting the oldest data with the newest data. Lastly, the queue mode is a combination of the linear and circular modes, allowing data to be written and deleted as necessary, creating a first-in-first-out queue.

The 7201LA15JG also features a power fail detection circuit that is capable of reinitializing the device upon the detection of a power loss. It also has an on-chip data buffer, allowing it to store and retrieve data in a fraction of a microsecond. This makes it possible for the 7201LA15JG to access data much quicker than other FIFO memory designs.

Conclusion

7201LA15JG is a logic-intensity FIFO memory designed to meet the wide-ranging needs of networking applications. It is based on advanced CMOS SRAM technology, allowing it to offer a set of unique capabilities that make it the ideal solution for a variety of applications. Furthermore, it is capable of operating in a number of different modes, including circular, linear, and queue. Finally, it features a power fail detection circuit and an on-chip data buffer, allowing it to store and retrieve data in a fraction of a microsecond.

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