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4Mbit Quad SPI FRAM boasts 54Mbyte/s data transfer in 108MHz

22 Feb 2016

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Fujitsu Semiconductor Ltd has introduced its FRAM product with 4Mbit of memory that the company said flaunts the highest density in the non-volatile RAM market. The MB85RQ4ML operates with a 1.8V single power supply, using a quad SPI interface with four I/O pins, and can achieve data transfer rate of 54Mbyte/s with 108MHz operation.

Its high-speed operation and non-volatile memory make it ideal for use in the networking, RAID controller and industrial computing fields, the company stated. Leveraging FRAM's non-volatility, high-speed read/write cycles, high read/write endurance, and low power consumption, Fujitsu Semiconductor has been proposing battery-less solutions using FRAM for the wearables market and the IoT market.

Data transfer rate comparison

Figure 1: Data transfer rate comparison

Among Fujitsu Semiconductor's previous products, 4Mbit FRAM with 16bit parallel interfaces in 44-pin TSOP package was the fastest at 13Mbyte/s, however this product enables about four times the data read/write speed with less pin counts.

This product is geared for network equipment such as routers, where setting data values is continually rewritten. It is positioned half-way between high-density non-volatile memory for data storage and high-speed working memory, and supports data rewriting with high-speed access and data back-ups.

In the IoT market, which handles with big data, data processing volumes are increasing, and there is a need for frequent data rewriting in memory. In addition, from a security perspective, greater importance is being placed on preserving access records. Considering this background, as the memory that preserves access information in the networking field, this product contributes to improving equipment performances, noted the company.

The MB85RQ4ML is available in sample quantities.

Use case of memories in network devices

Figure 2: Use case of memories in network devices

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