FRAM enables energy savings of up to 94%
An ultra-low-power FRAM device with an integrated binary counter function, the MB85RDP16LX has been introduced by Fujitsu Semiconductor Europe. Capable of enabling self-powering solutions such as the Wiegand wire-based platform from iC-Haus, the FRAM targets industrial automation applications involving energy harvesting for rotary encoders, motor control and sensors.
According to Fujitsu, the MB85RDP16LX incorporates multiple optimisations to slash energy consumption to less than 10% of that required by standard FRAM solutions. Conventional system environments using standard memory require the MCU to read data from the memory device before performing computation and then writing new data back to the memory to complete the counting operation. By replacing these separate read/write operations with a single command from the MCU, the MB85RDP16LX enables energy savings of up to 94%.
A power-up time of 5µs, 38 times faster than standard FRAM devices, enables extremely fast device wake-up while consuming as little energy as possible. The MB85RDP16LX can be connected via single- and dual-SPI interfaces, with the latter providing customers the option of halving the clock frequency for further power saving gains without impacting performance.
Operating over a temperature range from -40 to +105°C, the MB85RDP16LX is suitable for the industrial automation market without compromising its 10-year data retention.
Measuring 2x3mm, the SON-8 packaged MB85RDP16LX utilises 80% less PCB space than typical SOP-8 packages. The FRAM is available now for sampling and in production quantities.
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