72V81L15PA

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Logic - FIFOs Memory: 72V81L15PA Application Field and Working Principle

The 72V81L15PA is a type of free-running First In First Out (FIFO) memory manufactured by Toshiba Semiconductor. It is used in a wide range of applications, such as data transmission between different systems, or buffering of memory access requests to allow for smooth device operation. The 72V81L15PA consists of two parts: the FIFO part and the control logic part. The FIFO part is responsible for the storage of data, while the control logic part is responsible for communicating with the external device.

Features

The 72V81L15PA provides a wide range of features designed to meet the needs of designers. It has two ports, allowing two-way data transmission. It also has a wide range of support for different memory types, including SRAM, DRAM, Flash, and EPROM, while also providing a wide range of support for different voltage levels. Additionally, the 72V81L15PA has an integrated, low-power sleep mode to reduce power consumption when the device is not in use.

Operation

The 72V81L15PA operates in either single-port or dual-port mode. In single-port mode, it is used to transmit data from one memory type to another, while in dual-port mode it is used to simultaneously receive and transmit data from two different memory types. The 72V81L15PA uses three pins to select the port mode; these control signals can be set either to single-port or to dual-port mode. In single-port mode, the device recognizes two commands: read and write. In dual-port mode, the device recognizes three commands: read, write, and read+write.

In order for the 72V81L15PA to operate correctly, the two ports need to be configured to compatible I/O widths and voltage levels. The 72V81L15PA has an integrated parameter circuit that enables the device to sense the I/O width and voltage levels of the external device, and then reconfigure itself to match. This enables the device to communicate with different external devices without the need for external hardware or software intervention.

Pipelining

The 72V81L15PA also has pipelining capabilities, which enable it to process data faster than would be possible with a single memory device. Pipelining allows the 72V81L15PA to pre-fetch data from one port while writing data to another, so that the data can be processed more quickly. This enables the 72V81L15PA to send and receive data from two external devices simultaneously.

Conclusion

The 72V81L15PA is a versatile FIFO memory device manufactured by Toshiba Semiconductor. It has a wide range of support for different memory types, voltage levels, and pipelining capabilities, and is suitable for use in many different applications. Its integrated parameter circuit allows it to sense and configure itself to match the external device, which eliminates the need for external hardware or software intervention. The 72V81L15PA is an invaluable tool for designers who are looking for a high-performance FIFO memory device.

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